CJ78L12_ データシートの表示（PDF） - Jiangsu Changjiang Electronics Technology Co., Ltd

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CJ78L12_

SOT-23-3L Encapsulate Three Terminal Voltage Regulator

Jiangsu Changjiang Electronics Technology Co., Ltd 

JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD

SOT-23-3L Encapsulate Three Terminal Voltage Regulator

CJ78L12 Three-terminal positive voltage regulator

FEATURES

Maximum Output current

IOM:

Output voltage

0.1

A

Vo:

12

V

SOT-23-3L

1. OUT

2. IN

3. GND

ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)

Parameter

Symbol

Value

Unlts

Input Voltage

Vl

35

V

Operating Junction Temperature Range

TOPR

0~+125

℃

Storage Temperature Range

TSTG

-55~+150

℃

ELECTRICAL CHARACTERISTICS(VI=19V,Io=40mA,0℃<Tj<125℃,C1=0.33µF,Co=0.1µF, unless otherwise specified )

Parameter

Symbol

Test conditions

MIN TYP MAX UNIT

Output voltage

Load Regulation

Line regulation

Quiescent Current

Quiescent Current Change

Output Noise VoItage

Ripple Rejection

Dropout Voltage

TYPICAL APPLICATION

Tj=25℃

Vo

14V≤V l≤27V, Io=1mA~40mA

14V≤V l≤27V, Io=1mA~70mA

∆Vo

Tj=25℃, Io=1mA~100mA

Tj=25℃, Io=1mA~40mA

14.5V≤V l≤27V, Tj=25℃

∆Vo

16V≤V l≤27V, Tj=25℃

Iq

∆Iq

16V≤V l≤27V

∆Iq

1mA≤IO≤40mA

VN

10Hz≤f≤100KHz

RR

15V≤V l≤25V,f=120Hz,Tj=25℃

Vd

Tj=25℃

vi

3

1

Vo

CJ78L12

11.5 12

12.5

V

11.4 12

12.6

V

11.4 12

22

13

V

12.6

(note)

100

mV

50

mV

55

250

mV

49

200

mV

4.3

6.5

mA

1.5

mA

0.1

mA

70

uV

37

42

dB

1.7

V

Ci

2

0.33μF

C0

0.1μF

Note: Bypass capacitors are recommended for optimum stability and transient response and should be located as close as

possible to the regulators.

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