2

C0

0.1μF

JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD

SOT-89 Encapsulate Three Terminal Voltage Regulator

FEATURES

Maximum Output current

Output voltage

ABSOLUTE MAXIMUM RATINGS（Operating temperature range applies

unless otherwise specified）

Parameter

Symbol

Value

Unlts

Input Voltage

35

V

Operating Junction Temperature Range

0—+125

℃

Storage Temperature Range

-5—5-+150

℃

UTC78L05 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

Tj=25℃

11.5

12

12.5

V

11.4

12

12.6

V

Output voltage

Vo

11.4

12

12.6

V

(note)

Tj=25℃, Io=1mA-100mA

22

100

mV

Load Regulation

△Vo

Tj=25℃, Io=1mA-40mA

13

50

mV

55

250

mV

Line regulation

△Vo

49

200

mV

Quiescent Current

Iq

4.3

6.5

mA

△Iq

1.5

mA

Quiescent Current Change

△Iq

0.1

mA

Output Noise VoItage

10Hz≤f≤100KHz

70

uV

Ripple Rejection

RR

37

42

dB

Dropout Voltage

Vd

Tj=25℃

1.7

V

TYPICAL APPLICATION

vi

3

1

Vo

UTC

C1

0.33μF

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

possible to the regulators.

CJ78L12

ＳＯＴ－８９　

１．ＯＵＴ　

　

２．ＧＮＤ　

　

３．ＩＮ　

　

２

１

３