JPS5597618A - Stabilizing power source circuit - Google Patents

Stabilizing power source circuit

Info

Publication number
JPS5597618A
JPS5597618A JP502279A JP502279A JPS5597618A JP S5597618 A JPS5597618 A JP S5597618A JP 502279 A JP502279 A JP 502279A JP 502279 A JP502279 A JP 502279A JP S5597618 A JPS5597618 A JP S5597618A
Authority
JP
Japan
Prior art keywords
power source
transistor
battery
voltage
stabilizing power
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
Application number
JP502279A
Other languages
Japanese (ja)
Inventor
Toshio Sugizaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP502279A priority Critical patent/JPS5597618A/en
Publication of JPS5597618A publication Critical patent/JPS5597618A/en
Pending legal-status Critical Current

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  • Continuous-Control Power Sources That Use Transistors (AREA)

Abstract

PURPOSE: To obtain a stabilizing power source circuit which can realize the effective use of the battery power source by altering the bias of the control transistor according to the battery power source or the AC rectifying power source which is used to the non-stabilizing power source.
CONSTITUTION: In case the battery is connected to terminals 1 and 1' as the non- stabilizing power source, switch 15 is opened. Then the pulse output of the flyback transformer, for example, which is the load is applied to transistor 3 as the bias voltage and via rectifier circuit 12 and resistance 13. The control is given when the battery voltage drops down in order to secure the sufficient saturation for transistor 3, and thus the voltage drop due to the constant voltage circuit is decreased enough. And the battery voltage is applied to load 11. When the rectifying power source is connected to terminals 1 and 1' each, switch 15 is closed. And impedance element 14 alters the bias of transistor 3. As a result, transistor 3 is controlled to always cause some voltage drop.
COPYRIGHT: (C)1980,JPO&Japio
JP502279A 1979-01-20 1979-01-20 Stabilizing power source circuit Pending JPS5597618A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP502279A JPS5597618A (en) 1979-01-20 1979-01-20 Stabilizing power source circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP502279A JPS5597618A (en) 1979-01-20 1979-01-20 Stabilizing power source circuit

Publications (1)

Publication Number Publication Date
JPS5597618A true JPS5597618A (en) 1980-07-25

Family

ID=11599874

Family Applications (1)

Application Number Title Priority Date Filing Date
JP502279A Pending JPS5597618A (en) 1979-01-20 1979-01-20 Stabilizing power source circuit

Country Status (1)

Country Link
JP (1) JPS5597618A (en)

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