JPS55105711A - Power supply unit - Google Patents

Power supply unit

Info

Publication number
JPS55105711A
JPS55105711A JP1377179A JP1377179A JPS55105711A JP S55105711 A JPS55105711 A JP S55105711A JP 1377179 A JP1377179 A JP 1377179A JP 1377179 A JP1377179 A JP 1377179A JP S55105711 A JPS55105711 A JP S55105711A
Authority
JP
Japan
Prior art keywords
voltage
switch
output
capacitor
variation
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
JP1377179A
Other languages
Japanese (ja)
Inventor
Joji Shimakawa
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.)
Matsushima Kogyo KK
Original Assignee
Matsushima Kogyo KK
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 Matsushima Kogyo KK filed Critical Matsushima Kogyo KK
Priority to JP1377179A priority Critical patent/JPS55105711A/en
Publication of JPS55105711A publication Critical patent/JPS55105711A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To make small in size and low cost for the power unit in which output voltage is variable, by connecting the capacitor having capacitance of 10-3F or more in series with the switch in which the turn-on and turn-off time are respectively below 10-5 second, and obtaining the ON, OFF instruction signal of the switch from the output of the voltage comparator taking the output voltage and the set voltage as 2 inputs.
CONSTITUTION: Taking the voltage of the power supply 4 as V0, V, capacitance of the capacitor 1 as C Farad, equivalent internal resistor 5 as R ohms, the load of output terminal as r ohms, time of switch on as τ1 second ans switch off time as τ2 second, the variation V of the output voltage and the output voltage V(miximum value of voltage value in variation) are as shown in equations (I), (II). Thus, the voltage variation ΔV is almost inversely proportional to the capacitor C, then a large capacitance 10-3 or more is used.
COPYRIGHT: (C)1980,JPO&Japio
JP1377179A 1979-02-08 1979-02-08 Power supply unit Pending JPS55105711A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1377179A JPS55105711A (en) 1979-02-08 1979-02-08 Power supply unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1377179A JPS55105711A (en) 1979-02-08 1979-02-08 Power supply unit

Publications (1)

Publication Number Publication Date
JPS55105711A true JPS55105711A (en) 1980-08-13

Family

ID=11842504

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1377179A Pending JPS55105711A (en) 1979-02-08 1979-02-08 Power supply unit

Country Status (1)

Country Link
JP (1) JPS55105711A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5935213A (en) * 1982-08-20 1984-02-25 Shimadzu Corp Stabilized power source device for detector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5935213A (en) * 1982-08-20 1984-02-25 Shimadzu Corp Stabilized power source device for detector

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