SU1350653A1 - Voltage stabilizer - Google Patents

Abstract

The invention relates to electrical engineering and is intended for powering electronic equipment. The purpose of the invention is to increase the efficiency by reducing the minimum voltage on the control unit. When the voltage of the regulating node is less than G, the voltage of the breakdown of the Zener diode 14, the pass-through transistor 4 participates in the operation of the device. When the voltage is applied to the regulating node close to the voltage of the Zener diode 14, both the pass-through transistors 4 and 11 are involved. the voltage on the recurring node, the higher voltage of the zener diode 14, the diode 17 is closed (the transistor 11 is closed, the matching transistor 12 and the auxiliary transistor 13). Therefore, the control circuit of the transistor 11 does not affect the operation of the measuring-amplifier unit 5 and the stabilizer as a whole. The specific construction of the regulating node significantly reduces the voltage across it. The efficiency of the device increases. 1 il. (L

Description

The invention relates to electrical engineering and is intended for powering electronic equipment.

The aim of the invention is to increase the efficiency of the stabilizer by lowering the minimum voltage on the control unit.

The drawing shows the principle. When a voltage is applied on a regulating node close to the voltage of Zener diode 14, both transistors 4 and 11 are involved in the work.

With a voltage on the regulating node, a higher voltage of the zener diode

14, the transistors 13, 12, and 11 close the voltage j on the base-emitter voltage electrical circuit to stabilize the transitions of the transistors 12 and 13 of the voltage suppressor. They are detected by diodes 18 and 19, the regulator stabilizer contains an input 1 transistor 4 open, and with on and output 2 pins, common bus 3, regulating the node on the first pass-through transistor 4, pn-type, connected to level 15. The diode 17 is closed and the control collector circuit to pin 1, the emitter of transistor 11 does not have to pin 2, the base to the output of measuring and amplifying node 5, which consists of the amplifying transistor 6 with load 7, The node allows to reduce the minimum voltage on the Zener diode 8 from the current value of the voltage per regulating resistor 9 and the divider of the 10 node to tenths of a volt and the output voltage. The regulating unit also includes the second supply of the feedback unit 5 and maintains the output voltage at a predetermined

affecting the operation of node 5 and the stabilizer as a whole.

The proposed implementation is regulated by the most to increase the efficiency of the proposed stabilizer in comparison with the 11 p p-type lime transistor, the matching transistor 12. P p - p-type, auxiliary transistor 13 p-p-p type, Zener diode 14, first 15 and the second 16 resistors, the first 17, the second 18 and the third 19 diodes, as well as auxiliary resistors 20-22. In this case, the transistor 11 is connected by the emitter to the output 15 of the collector - to the output 2 of the base - through a resistor 21 to the collection-1 of the switch of the transistor 12, the base of which is connected to the base of the transistor A through a diode 17, with a common bus through a resistor 15 and with its emitter through a diode 18, the transistor 13 is connected

25 nym

Claims (1)

Invention Formula A voltage regulator containing a 30-click regulating node at the first transistor transistor. The collector is connected to the input transducer, the emitter is connected to the output pins, and the base is connected to the output of the measuring node connected to the output of the stabilizer. n and in order to increase the efficiency by reducing the minimum voltage at the re-assembling unit, it is equipped with a second base to pin 1 through a zener diode 14 40 by a travel transistor matching and to the common bus through a resistor 16 and its auxiliary transistors, a zener diode. to them a collector is connected to the common bus through a resistor 22. two resistors and three diodes, with the second pass-through transistor connected by an emulator to The stabilizer works as the next 06-45 input, the collector - to the top one time. The base is connected to the collector. When the voltage on the control-regulating transistor is used, the base of which, less than the voltage of the stabilized breakdown, is connected to the common bus through the perlitron 14, transistors 12 and 13, the open resistor, with the base of the first pass the trans-5o transistor operates through the first dcc, the sistor 11. At low voltages with the auxiliary transistor base - the regulating node (about 1 V), the transistor 4 is practically closed and the output current of the device is provided by gi exists from common node 5 through transistors 12 and 13. As a result, the output voltage is maintained with a given accuracy. Through a series-connected second and third diodes, the junction point of which is connected to the emitters of the matching and auxiliary transistors, the zener diode is connected between the input terminal and the base of the matching transistor, which is connected to the common bus through the second resistor. - with - 1350653. 2 When the voltage on the regulating node is close to the voltage of the zener diode 14, both transistors 4 and 11 are involved in the work. With a voltage on the regulating node, a higher voltage of the zener diode The driving transistor 4 is open, and with the level. The diode 17 is closed and the control circuit of the transistor 11 does not provide a node, which allows to reduce the minimum value of the voltage on the regulating node to tenths of a volt and With the help of node 5, feedback maintains the output voltage at a given The driving transistor 4 is open, and with the level. The diode 17 is closed and the control circuit of the transistor 11 does not provide a node, which allows to reduce the minimum value of the voltage on the regulating node to tenths of a volt and affecting the operation of node 5 and the stabilizer as a whole. First, the implementation of the control transistor 4 is open, and with the level. The diode 17 is closed and the control circuit of the transistor 11 does not provide a node, which allows to reduce the minimum voltage value on the regulating node to tenths of a volt thereby increasing the efficiency of the proposed stabilizer in comparison with the known. Invention Formula A voltage regulator containing a regulating unit at the first throughput transistor. Connected to the input by a collector, to the output pins by the emitter, to the output of the measuring node connected to the output of the stabilizer by the base and with the fact that, in order to increase the efficiency by reducing the minimum voltage on the re-assembling unit, it is equipped with a second of the matching transistor the base of which is connected to the common bus through the first resistor, to the base of the first pass-° transistor - through the first dcode, to the base of the auxiliary transistor - Through a series-connected second and third diodes, the junction point of which is connected to the emitters of the matching and auxiliary transistors, the zener diode is connected between the input terminal and the base of the matching transistor, which is connected to the common bus through the second resistor. 313506534 the collector of its own transistor, whence, and the second pass and the first pass and the matching gating transistors, are opposite to the transistors of the same type of conduction type.