JPS5629718A - Reference voltage circuit device - Google Patents
Reference voltage circuit deviceInfo
- Publication number
- JPS5629718A JPS5629718A JP10423479A JP10423479A JPS5629718A JP S5629718 A JPS5629718 A JP S5629718A JP 10423479 A JP10423479 A JP 10423479A JP 10423479 A JP10423479 A JP 10423479A JP S5629718 A JPS5629718 A JP S5629718A
- Authority
- JP
- Japan
- Prior art keywords
- gate
- source
- drain
- vtd
- vte
- 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.)
- Pending
Links
Abstract
PURPOSE: To realize a small of power consumption as well as the simplification of the constitution, by connecting the enhancement-type MOS transistor with the short circuit given between its drain and gate between the source and the gate of the depletion-type MOS transistor.
CONSTITUTION: The gate of the depletion-type MOS transistor QD32 is earthed, and the enhancement-type transistor QE31 with the short circuit given between its drain and gate is connected between the source and the gate of the transistor QD32. At the same time, the drain of the QD32 is connected to the plus power source V+ via the load 33, and the output 34 of the reference voltage VD is extracted out of the source of the QD. In such constitution, both the QD32 and QE31 can work in the saturated region by selecting the drain voltage of the QD32 to a proper level. Accordingly, the relation between the voltage and the current between the gate and the source has the known square characteristics. And the intersection 43 of the two curves turns into the output voltage VD, and the position of the VD is between VTE and -VTD (VTE and VTD: threshold levels of QE31 and QD32 each). And the value of the VD is reduced to a half of VTE-VTD, and furthermore no term of the current is included at all.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10423479A JPS5629718A (en) | 1979-08-15 | 1979-08-15 | Reference voltage circuit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10423479A JPS5629718A (en) | 1979-08-15 | 1979-08-15 | Reference voltage circuit device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5629718A true JPS5629718A (en) | 1981-03-25 |
Family
ID=14375262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10423479A Pending JPS5629718A (en) | 1979-08-15 | 1979-08-15 | Reference voltage circuit device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5629718A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60181806A (en) * | 1984-02-28 | 1985-09-17 | Sharp Corp | Reference voltage circuit |
| JPH08335122A (en) * | 1995-04-05 | 1996-12-17 | Seiko Instr Inc | Semiconductor device for reference voltage |
| JP2010170533A (en) * | 2008-12-22 | 2010-08-05 | Seiko Instruments Inc | Reference voltage circuit and semiconductor device |
| JP2013161258A (en) * | 2012-02-03 | 2013-08-19 | Torex Semiconductor Ltd | Power supply circuit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5150446A (en) * | 1974-10-30 | 1976-05-04 | Hitachi Ltd | TEIDENATSU KAIRO |
| JPS52112754A (en) * | 1976-03-18 | 1977-09-21 | Sharp Corp | Mos transistor constant-voltage circuit |
-
1979
- 1979-08-15 JP JP10423479A patent/JPS5629718A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5150446A (en) * | 1974-10-30 | 1976-05-04 | Hitachi Ltd | TEIDENATSU KAIRO |
| JPS52112754A (en) * | 1976-03-18 | 1977-09-21 | Sharp Corp | Mos transistor constant-voltage circuit |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60181806A (en) * | 1984-02-28 | 1985-09-17 | Sharp Corp | Reference voltage circuit |
| JPH08335122A (en) * | 1995-04-05 | 1996-12-17 | Seiko Instr Inc | Semiconductor device for reference voltage |
| JP2010170533A (en) * | 2008-12-22 | 2010-08-05 | Seiko Instruments Inc | Reference voltage circuit and semiconductor device |
| JP2013161258A (en) * | 2012-02-03 | 2013-08-19 | Torex Semiconductor Ltd | Power supply circuit |
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