EP0814396B1 - Schaltungsanordnung zur Erzeugung eines Referenzpotentials - Google Patents
Schaltungsanordnung zur Erzeugung eines Referenzpotentials Download PDFInfo
- Publication number
- EP0814396B1 EP0814396B1 EP97109351A EP97109351A EP0814396B1 EP 0814396 B1 EP0814396 B1 EP 0814396B1 EP 97109351 A EP97109351 A EP 97109351A EP 97109351 A EP97109351 A EP 97109351A EP 0814396 B1 EP0814396 B1 EP 0814396B1
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- EP
- European Patent Office
- Prior art keywords
- transistor
- whose
- base
- collector
- emitter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000001419 dependent effect Effects 0.000 claims description 13
- 238000010079 rubber tapping Methods 0.000 claims 1
- 230000003503 early effect Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
- G05F3/02—Regulating voltage or current
- G05F3/08—Regulating voltage or current wherein the variable is DC
- G05F3/10—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics
- G05F3/16—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices
- G05F3/20—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
- G05F3/26—Current mirrors
- G05F3/265—Current mirrors using bipolar transistors only
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
- G05F3/02—Regulating voltage or current
- G05F3/08—Regulating voltage or current wherein the variable is DC
- G05F3/10—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics
- G05F3/16—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices
- G05F3/20—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
- G05F3/22—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the bipolar type only
- G05F3/222—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the bipolar type only with compensation for device parameters, e.g. Early effect, gain, manufacturing process, or external variations, e.g. temperature, loading, supply voltage
Definitions
- the invention relates to a circuit arrangement for generation a reference potential with a first transistor, the Emitter is connected to a reference potential and its Base and collector are interconnected with one another second transistor, the base of which is connected to the base of the first Transistor is connected to a first resistor, the between the collector of the first transistor and an output terminal switched to tap the reference potential is, with a second resistor that is between the collector of the second transistor and the output terminal is, with a third resistor connected between the emitter of the second transistor and the reference potential is, with a third transistor, the base of which is connected to the collector of the second transistor and its emitter with the reference potential is connected to a fourth transistor, its collector with the supply potential, its emitter with the output connector and its base with the collector of the third transistor is connected, between base and collector of the fourth transistor a first current source is switched.
- Such a bandgap reference voltage source Circuit arrangement is for example from Paul R. Gray, Robert G. Meyer, Analysis and Design of Analog Integrated Circuits, Second Edition 1984, pages 293 to 296 is used in a variety of integrated circuits Supply of other circuit blocks with a temperature independent Reference potential and / or several reference currents used. In the future, it will also become increasingly important that the integrated circuits especially for the Use in battery-operated devices as independently as possible work from the supply voltage. With everyone with constant Base-emitter voltage or constant base current driven, real transistor fluctuates due to the early effect the collector current as a function of the collector-emitter voltage, which in turn often directly with the supply voltage is linked. The early effect is for example with Paul R. Gray, Robert G. Meyer, Analysis and Design of Analog Integrated Circuits, Second Edition 1984, pages 17 to 19 described. This problem is also critical therefore, because fast, modern transistors in terms of Early effects tend to have poor properties.
- the object of the invention is to provide a circuit arrangement for Specify generation of a reference potential at which the Early effect is largely compensated for.
- the advantage of the invention is that early compensation with low circuit complexity is achieved.
- the first Current source a second current source is connected in parallel, which a compensation current to compensate for the current fluctuations generated the first power source.
- the front second current source generated equalization current the difference of a first multiplied by a factor Early-dependent current and a second less early-dependent one Is current.
- the first current source can be a fifth transistor are formed, whose emitter has a fifth resistor is connected to the supply potential whose Collector connected to the base of the fourth transistor and is based on a sixth resistance with the Supply potential is coupled. Furthermore, control means provided the one above the sixth resistor voltage dependent on the potential at the connection produce.
- One embodiment of the invention includes control means a sixth transistor, the base of which is connected to the base of the fifth transistor and its emitter with interposition a seventh resistor with the supply potential is connected and to a seventh transistor whose base to the output terminal, whose emitter has an eighth resistor to the reference potential and its collector to the Collector of the sixth transistor is connected.
- control means contain an eighth transistor, whose collector-emitter path is the collector-emitter path of the seventh transistor is connected in parallel and the basis of which is on the one hand via a ninth resistance with the Supply potential and secondly via a diode path and a tenth resistor in series with the reference potential is connected, as well as a ninth transistor, whose collector with the supply potential, whose emitter has a third current source with the reference potential and its base is coupled to the collector of the seventh transistor. Finally, there is a tenth transistor in the control means provided its emitter with the base of the fifth Transistor whose collector is connected to the reference potential and whose base is connected to the emitter of the ninth transistor is.
- the third current source formed by an eleventh transistor, whose emitter over an eleventh resistor with the reference potential whose collector with the emitter of the ninth transistor and its base is connected to the base of the eighth transistor.
- Partial current sources to form the first early-dependent Current and the second less early dependent current, on the one hand with the supply potential and on the other hand with the input circuit or the output circuit of a current mirror are connected, as well as one with the other two partial current sources coupled third partial current source, that of the first Current source is connected in parallel, can be provided.
- junction of the current mirror and the output circuit second current source can be connected to the input of a current amplifier stage be connected, the output of which in turn is connected to the base of the ninth transistor is coupled.
- the current amplifier stage are formed by a second current mirror.
- the partial current sources can through the output branches Electricity bank, the input branch of which is given by the sixth Resistance is realized.
- the input branch is given by a twelfth resistance.
- the twelfth resistance the base-emitter path of a twelfth Transistors and a thirteenth resistor in series connected in parallel.
- the base of a thirteenth Transistor, whose collector is connected to the supply potential and the collector of a fourteenth transistor, its base with the base of the seventh transistor and its emitter through a fourteenth resistance with the Reference potential is connected to the collector of the twelfth transistor coupled.
- the base of a fifteenth Transistor whose collector is connected to the reference potential and whose emitter is connected to the base of the twelfth transistor is connected to the emitter of a thirteenth transistor.
- the base of a sixteenth transistor, the Collector with the base of the fifteenth transistor and its Emitter across a fifteenth resistor with the reference potential is connected to the base of the eighth Transistor coupled.
- npn transistor T1 provided, whose emitter with the reference potential M is connected and its base and collector together interconnected and via a common resistor R1 an output terminal U coupled to a reference potential are.
- the base and collector of transistor T1 is the base of an npn transistor T2, whose Emitter via a resistor R3 with the reference potential M and its collector through a resistor R2 with the output termination U is coupled.
- the emitter is also a npn transistor T4 connected, the collector with a supply potential V is connected.
- the basis of the Transistor T4 is connected to the collector of an NPN transistor T3 connected, whose emitter to the reference potential M and Base is connected to the collector of transistor T2.
- the base of transistor T4 is also a Current source circuit connected to the supply potential V.
- the current source circuit has a pnp transistor T5 whose emitter is connected via a resistor R5 the supply potential V and its collector with the base of transistor T4 or the collector of transistor T3 connected is.
- the base of transistor T5 is with the base a pnp transistor T6, whose emitter is connected via a Resistor R6 coupled to the supply potential V. is, the emitter via a resistor R6 with the supply potential V is coupled.
- the collector of the transistor T6 is also with the collector of an NPN transistor T7 connected, the emitter via a resistor R4 to the Reference potential M is connected and its base with the Output terminal U is connected.
- transistor T7 the collector-emitter path of an npn transistor T8 connected in parallel.
- the base of the transistor T8 is connected with a resistor R8 connected to the supply potential V.
- the base of transistor T8 is also connected to the input branch connected to a current mirror.
- the input branch is through an NPN transistor T11 is formed, the base and collector interconnected as well as with the base of transistor T8 are and their emitters with the interposition of a resistor R10 is connected to the reference potential M.
- the bases of transistors T7 and T8 are also one Resistor R7 coupled together.
- the output branch of the current mirror is through an NPN transistor T12 formed, the base of which is connected to the base of the transistor T11 is connected and its emitter with interposition a resistor R9 connected to the reference potential M. is.
- the collector of transistor T12 is off the base of a pnp transistor T10, the collector of which Reference potential M and its emitter with the bases of the transistors T5 and T6 is connected as well as to the emitter of one npn transistor T9, whose collector with the supply potential V and its base with the collector of the transistor T6 is connected. After all, there is resistance R11 between the bases of transistors T5 and T6 on the one hand and the supply potential V on the other hand switched.
- the collector With the collector of transistor T6, the collector is one pnp transistor T13 connected whose emitter via a resistor R12 is connected to the supply potential V. its base with the base and collector of a pnp transistor T14, with the collector of a pnp transistor T15 as well coupled to the collector of an NPN transistor T18 is.
- the emitters of the two transistors T14 and T15 are via a resistor R13 or R14 to the supply potential V connected.
- the emitter of the transistor T18 is connected to the reference potential M via a resistor R17 connected.
- the transistor T15 forms like pnp transistors T16 and T17, whose emitters each have a resistor R15 or R16 connected to the supply potential V.
- the embodiment of Figure 2 changed so that the bases of transistors T15, T16 and T17 do not have the Resistor R11 but via a resistor R17 with the supply potential V are connected.
- the bases of the transistors T15, T16, T17 are also with the emitter of a pnp transistor T18 and with the base of a pnp transistor T20 interconnected.
- the collector of transistor T18 is on the reference potential M is connected.
- the collector of the transistor T20 is based on the one hand with an NPN transistor T19 connected, the collector of the supply potential V is connected, and on the other hand with the collector one Transistor T21 connected, the base of which is connected to terminal U and its emitter with the interposition of a resistor R19 is coupled to the reference potential M.
- the basis of the Transistor T18 and the emitter of transistor T19 are together connected to the collector of an npn transistor T22, its emitter via a resistor R20 with the reference potential M is connected and its base with the bases of the Transistors T11 and T12 is coupled.
- a pnp transistor T23 is provided, the base of which is connected to the base of transistor T5 and its Emitter via a resistor R21 to the supply potential V is connected.
- the collector is with an output connection I interconnected, at which the reference current can be tapped is.
- the separate optimization of the operating voltage suppression both with regard to the band gap reference potential at the output U and the reference output current at connection I can separately by adjusting the emitter area of the Transistor T14 in relation to the emitter area of the transistor T13 and by adjusting resistors R17 and R18.
- a smaller resistance value of the two resistors R17 and R18 causes weaker current feedback, so that the early voltage correction is correspondingly stronger. It a drop in the output current, for example be set if it is necessary to set an advance.
- the output current through the Transistor T5 formed in conjunction with the resistor R5 Current source superimposes a compensation current by the output current which through transistor T17 in conjunction with the Resistor R16 formed current source also in the base of the transistor T4 is fed and the input circuit of the Transistors T15 influenced by transistors T9 to T14 becomes.
- the output current given by the collector current of transistor T5 on The main reason for this is the early voltage dependency the collector currents of the transistors T5 up to T12. This dependence takes effect via transistor T4 directly to the output connection U.
- the one superimposed Compensation current is now the difference of a first Early-dependent current of the current source with the transistor T16 in conjunction with resistor R15 and one less Early-dependent current of the current source with the transistor T15 formed in connection with the resistor R14 and with a Multiplied by the current ratio of the Transistors T13 and T14 and the ratio of the resistors R17 and R18 is given.
- the dimensioning is like this chosen that a linear dependence of the compensation current is achieved and thus overall independence is reached by the supply voltage.
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Control Of Electrical Variables (AREA)
- Amplifiers (AREA)
Description
- Figur 1
- eine erste Ausführungsform und
- Figur 2
- eine zweite Ausführungsform einer eifindungsgemäßen Schaltungsanordnung.
Claims (10)
- Schaltungsanordnung zur Erzeugung eines Referenzpotentialsgekennzeichnet durch eine der ersten Stromquelle (R5, T5) parallel geschaltete zweite Stromquelle (T17, R16), die einen Kompensationsstrom zur Kompensation der Stromschwankungen der ersten Stromquelle (R5, T5) erzeugt.mit einem ersten Transistor (T1), dessen Emitter mit einemBezugspotential (M) verbunden ist und dessen Basis und Kollektor miteinander verschaltet sind,mit einem zweiten Transistor (T2), dessen Basis mit der Basis des ersten Transistor T1 verbunden ist,mit einem ersten Widerstand (R1), der zwischen den Kollektor des ersten Transistors (T1) und einen Ausgangsanschluß (U) zum Abgreifen des Referenzpotentials geschaltet ist,mit einem zweiten Widerstand (R2), der zwischen den Kollektor des zweiten Transistors (T2) und den Ausgangsanschluß (U) geschaltet ist,mit einem dritten Widerstand (R3), der zwischen den Emitter des zweiten Transistors (T2) und das Bezugspotential (M) geschaltet ist,mit einem dritten Transistor (T3), dessen Basis mit dem Kollektor des zweiten Transistors (T2) und dessen Emitter mit dem Bezugspotential (M) verbunden ist,mit einem vierten Transistor (T4), dessen Kollektor mit dem Versorgungspotential (V), dessen Emitter mit dem Ausgangsanschluß (U) und dessen Basis mit dem Kollektor des dritten Transistors (T3) verbunden ist, wobei zwischen Basis und Kollektor des vierten Transistors (T4) eine erste Stromquelle (R5, T5) geschaltet ist,
- Schaltungsanordnung nach Anspruch 1,
dadurch gekennzeichnet, daß der von der zweiten Stromquelle (T17, R16) erzeugte Kompensationsstrom gleich der mit einem Faktor multiplizierten Differenz eines ersten Early-abhängigen Stroms und eines zweiten weniger Early-abhängigen Stroms ist. - Schaltungsanordnung nach Anspruch oder 2,
dadurch gekennzeichnet, daß die erste Stromquelle durch einen fünften Transistor (T5) gebildet wird, dessen Emitter über einen fünften Widerstand (R5) an dem Versorgungspotential (V) angeschlossen ist, dessen Kollektor mit der Basis des vierten Transistors (T4) verbunden ist, und dessen Basis über einen sechsten Widerstand (R11) mit dem Versorgungspotential (V) gekoppelt ist, und daß Ansteuermittel vorgesehen sind, die über den sechsten Widerstand (R11) eine von dem Anschluß (U) anliegendem Potential abhängige Spannung erzeugen. - Schaltungsanordnung nach Anspruch 3,
dadurch gekennzeichnet, durch Ansteuermittel mit einem sechsten Transistor (T6) dessen Basis mit der Basis des fünften Transistors (T5) und dessen Emitter unter Zwischenschaltung eines siebten Widerstands (R6) mit dem Versorgungspotential (V) verbunden ist, mit einem siebten Transistor (T7), dessen Basis an den Ausgangsanschluß (U), dessen Emitter über einen achten Widerstand (R4) an das Bezugspotential (M) und dessen Kollektor an den Kollektor des sechsten Transistors (T6) angeschlossen ist,mit einem achten Transistor (T8), dessen Kollektor-Emitter-Strecke der Kollektor-Emitter-Strecke des siebten Transistors (T7) parallel geschaltet ist und dessen Basis zum einen über einen neunten Widerstand (R8) mit dem Versorgungspotential (V) und zum anderen über eine Diodenstrecke (T11) und einen zehnten Widerstand (R10) in Reihe mit dem Bezugspotential lml verbunden ist,mit einem neunten Transistor (T9), dessen Kollektor mit dem Versorgungspotential (V), dessen Emitter über eine dritte Stromquelle (T12, R9) mit dem Bezugspotential (M) und dessen Basis mit dem Kollektor des siebten Transistors (T7) gekoppelt ist, undmit einem zehnten Transistor (T10), dessen Emitter mit der Basis des fünften Transistors (T5), dessen Kollektor mit dem Bezugspotential (M) und dessen Basis mit dem Emitter des neunten Transistors (T9) verschaltet ist. - Schaltungsanordnung nach Anspruch 4,
dadurch gekennzeichnet, daß die dritte Stromquelle durch einen elften Transistor (T12) gebildet wird, dessen Emitter über einen elften Widerstand (R9) mit dem Bezugspotential (M), dessen Kollektor mit dem Emitter des neunten Transistors (T9) und dessen Basis mit der Basis des achten Transistors (T8) verbunden ist. - Schaltungsanordnung nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, daß bei der zweiten Stromquelle zwei miteinander gekoppelte Teilstromquellen (R14, R15, T15, T16) zur Bildung des ersten Early-abhängigen Stromes und des zweiten weniger Early-abhängigen Stromes, die einerseits mit dem versorgungspotential (V) und andererseits mit dem Eingangskreis bzw. Ausgangskreis eines Stromspiegels (T18a, T19a, R17a, R18a) verbunden sind, sowie eine mit den anderen beiden Teilstromquellen eingangsseitig gekoppelte dritte Teilstromquelle (T17, R16), die der ersten Stromquelle (T5, R5) parallel geschaltet ist, vorgesehen ist. - Schaltungsanordnung nach Anspruch 6,
dadurch gekennzeichnet, daß der Knotenpunkt des Ausgangskreises des Stromspiegels (T148a, T19a, R17a, R18a) und der zweiten Stromquelle (R14, R15, T15, T16 mit dem Eingang einer Stromverstärkerstufe (T13, T14, R12, R13) verbunden sind, deren Ausgang mit der Basis des neunten Transistors (T9) gekoppelt ist. - Schaltungsanordnung nach Anspruch 6 oder 7,
dadurch gekennzeichnet, daß die Stromverstärkerstufe durch einen zweiten Stromspiegel (T13, T14, R12, R13) gebildet wird. - Schaltungsanordnung nach einem der Ansprüche 6 bis 8,
dadurch gekennzeichnet, daß die Teilstromquellen durch die Ausgangszweige einer StromranK gebildet werden, deren Eingangszweig durch den sechsten Widerstand (R11) gegeben ist. - Schaltungsanordnung nach einem der Ansprüche 6 bis 8,
dadurch gekennzeichnet, daß die Teilstromquellen durch die Ausgangszweige einer Strombank gebildet werden, deren Eingangszweig durch einen zwölften Widerstand (R17) gegeben ist, daß dem zwölften Niderstand (R17) die Basis-Emitter-Strecke eines zwölften Transistors (T20) in Reihe mit einem dreizehnten Widerstand (R18) parallel geschaltet ist,daß die Basis eines dreizehnten Transistors (T19), dessen Kollektor an das Versorgungspotential (V) angeschlossen ist, und der Kollektor eines vierzehnten Transistors (T21), dessen Basis mit der Basis des siebten Transistors (T7) und dessen Emitter über einen vierzehnten Widerstand (R19) mit dem Bezugspotential (M) verbunden ist, mit dem Kollektor des zwölften Transistors (T20) gekoppelt ist,daß die Basis eines fünfzehnten Transistors (T18), dessen Kollektor mit dem Bezugspotential (M) und dessen Emitter mit der Basis des zwölften Transistors (T20) verbunden ist, an den Emitter des dreizehnten Transistors (T19) angeschlossen ist, und daß die Basis eines sechzehnten Transistors (T22), dessen Kollektor mit der Basis des fünfzehnten Transistors (T18) und dessen Emitter über einen fünfzehnten Widerstand (R20) mit dem Bezugspotential (M) verbunden ist, mit der Basis des achten Transistors (T8) gekoppelt ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19624676 | 1996-06-20 | ||
| DE19624676A DE19624676C1 (de) | 1996-06-20 | 1996-06-20 | Schaltungsanordnung zur Erzeugung eines Referenzpotentials |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0814396A2 EP0814396A2 (de) | 1997-12-29 |
| EP0814396A3 EP0814396A3 (de) | 1998-12-09 |
| EP0814396B1 true EP0814396B1 (de) | 2000-09-27 |
Family
ID=7797508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97109351A Expired - Lifetime EP0814396B1 (de) | 1996-06-20 | 1997-06-09 | Schaltungsanordnung zur Erzeugung eines Referenzpotentials |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US5969566A (de) |
| EP (1) | EP0814396B1 (de) |
| DE (2) | DE19624676C1 (de) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1184769A3 (de) * | 2000-08-09 | 2004-09-22 | Mitsubishi Denki Kabushiki Kaisha | Spannungsgenerator, Fehlerdetektorausgangsschaltung, und Stromgenerator |
| JP4212036B2 (ja) * | 2003-06-19 | 2009-01-21 | ローム株式会社 | 定電圧発生器 |
| EP1501001A1 (de) * | 2003-07-22 | 2005-01-26 | STMicroelectronics Limited | Vorspannungsschaltung |
| JP4721726B2 (ja) * | 2005-02-25 | 2011-07-13 | 富士通セミコンダクター株式会社 | 差動増幅器 |
| US7893754B1 (en) * | 2009-10-02 | 2011-02-22 | Power Integrations, Inc. | Temperature independent reference circuit |
| US8634218B2 (en) | 2009-10-06 | 2014-01-21 | Power Integrations, Inc. | Monolithic AC/DC converter for generating DC supply voltage |
| US8310845B2 (en) | 2010-02-10 | 2012-11-13 | Power Integrations, Inc. | Power supply circuit with a control terminal for different functional modes of operation |
| US9455621B2 (en) | 2013-08-28 | 2016-09-27 | Power Integrations, Inc. | Controller IC with zero-crossing detector and capacitor discharge switching element |
| US9667154B2 (en) | 2015-09-18 | 2017-05-30 | Power Integrations, Inc. | Demand-controlled, low standby power linear shunt regulator |
| US9602009B1 (en) | 2015-12-08 | 2017-03-21 | Power Integrations, Inc. | Low voltage, closed loop controlled energy storage circuit |
| US9629218B1 (en) | 2015-12-28 | 2017-04-18 | Power Integrations, Inc. | Thermal protection for LED bleeder in fault condition |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0811203B2 (ja) * | 1986-05-13 | 1996-02-07 | 株式会社スギノマシン | 超高圧液体噴射装置 |
| JP2575702B2 (ja) * | 1987-05-09 | 1997-01-29 | 富士通 株式会社 | シンセサイザ・チュ−ナ |
| JPH0727425B2 (ja) * | 1988-12-28 | 1995-03-29 | 株式会社東芝 | 電圧発生回路 |
| US5013934A (en) * | 1989-05-08 | 1991-05-07 | National Semiconductor Corporation | Bandgap threshold circuit with hysteresis |
| JPH0680486B2 (ja) * | 1989-08-03 | 1994-10-12 | 株式会社東芝 | 定電圧回路 |
| US5013941A (en) * | 1989-08-17 | 1991-05-07 | National Semiconductor Corporation | TTL to ECL/CML translator circuit |
| JPH03179514A (ja) * | 1989-11-02 | 1991-08-05 | Toshiba Corp | 定電圧回路 |
| FR2672705B1 (fr) * | 1991-02-07 | 1993-06-04 | Valeo Equip Electr Moteur | Circuit generateur d'une tension de reference variable en fonction de la temperature, notamment pour regulateur de la tension de charge d'une batterie par un alternateur. |
| JP3322685B2 (ja) * | 1992-03-02 | 2002-09-09 | 日本テキサス・インスツルメンツ株式会社 | 定電圧回路および定電流回路 |
| US5381083A (en) * | 1992-07-15 | 1995-01-10 | Sharp Kabushiki Kaisha | Constant-current power-supply circuit formed on an IC |
| JP2953226B2 (ja) * | 1992-12-11 | 1999-09-27 | 株式会社デンソー | 基準電圧発生回路 |
| DE4312117C1 (de) * | 1993-04-14 | 1994-04-14 | Texas Instruments Deutschland | Bandabstands-Referenzspannungsquelle |
| FR2711258A1 (fr) * | 1993-10-13 | 1995-04-21 | Philips Composants | Circuit générateur de tension stabilisée du type bandgap. |
| BE1007853A3 (nl) * | 1993-12-03 | 1995-11-07 | Philips Electronics Nv | Bandgapreferentiestroombron met compensatie voor spreiding in saturatiestroom van bipolaire transistors. |
| DE19621110C1 (de) * | 1996-05-24 | 1997-06-12 | Siemens Ag | Ein-/Ausschaltbare Schaltungsanordnung zur Erzeugung eines Referenzpotentials |
-
1996
- 1996-06-20 DE DE19624676A patent/DE19624676C1/de not_active Expired - Fee Related
-
1997
- 1997-06-09 DE DE59702395T patent/DE59702395D1/de not_active Expired - Lifetime
- 1997-06-09 EP EP97109351A patent/EP0814396B1/de not_active Expired - Lifetime
- 1997-06-20 US US08/879,593 patent/US5969566A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE59702395D1 (de) | 2000-11-02 |
| EP0814396A2 (de) | 1997-12-29 |
| DE19624676C1 (de) | 1997-10-02 |
| EP0814396A3 (de) | 1998-12-09 |
| US5969566A (en) | 1999-10-19 |
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