JPS60124241U

JPS60124241U - power circuit

Info

Publication number: JPS60124241U
Application number: JP987484U
Authority: JP
Inventors: 学田村
Original assignee: 三菱電機株式会社
Priority date: 1984-01-26
Filing date: 1984-01-26
Publication date: 1985-08-21

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来の電源回路、第２図はこの考案の一実施例
による電源回路である。１．２・・・電子回路、３・・・主電源、４・・・電源
分岐回路、５・・・トランジスタ、６，７・・・抵抗、
８，９・・・コンデンサ、１０・・・ベース電源。なお
、図中同一符号は同−又は相当部分を示す。FIG. 1 shows a conventional power supply circuit, and FIG. 2 shows a power supply circuit according to an embodiment of this invention. 1.2... Electronic circuit, 3... Main power supply, 4... Power supply branch circuit, 5... Transistor, 6, 7... Resistor,
8, 9... Capacitor, 10... Base power supply. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims

[Scope of utility model registration request]

In a power supply circuit that supplies power to an electronic circuit including an IC, a power supply branch circuit having a transistor is provided on the main power input side of the electronic circuit, and when the main power supply voltage is lost, the voltage after the branch point is A power supply circuit characterized in that the power supply circuit is configured such that the main power supply voltage is lost later than the main power supply voltage is lost.