ST78L13 datasheet(2/2 Pages) SEMTECH_ELEC

Part #	ST78L13

Description	3-Terminal positive voltage regulator

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Manufacturer	SEMTECH_ELEC [SEMTECH ELECTRONICS LTD.]

Direct Link	http://www.semtech.net.cn

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2 / 2 page

Dated : 07/12/2002

SEMTECH ELECTRONICS LTD.

(Subsidiary of Sino-Tech International Holdings Limited, a company

listed on the Hong Kong Stock Exchange, Stock Code: 724)

®

ST 78L13

Electrical Characteristics

(Unless otherwise specified, VIN=21V, IOUT=40mA, CIN=0.33μF, COUT=0.1μF, Tj=25°C)

Symbol

Test Condition

Min.

Typ.

Max.

Uunit

Output Voltage

VOUT

12.45

13

13.55

V

Input Regulation

Reg. line

16V

≤V

IN≤28V

-

125

270

mV

17V

≤V

IN≤28V

-

105

225

Load Regulation

Reg. load

1.0mA

≤I

OUT≤100mA

-

22

120

mV

1.0mA

≤I

OUT≤40mA

-

11

60

Output Voltage

VOUT

16V

≤V

IN≤28V

12.54

-

13.86

V

1.0mA

≤I

OUT≤40mA

VOUT

VIN=21V

12.54

-

13.86

V

1.0mA

≤I

OUT≤70mA

Quiescent Current

IB

-

3.2

6.5

mA

Quiescent

Current

With line

17V

≤V

IN≤28V

-

1.5

Change

With load

ΔI

B

1.0mA

≤I

OUT≤40mA

-

0.1

mA

Output Noise Voltage

VNO

Ta=25

°C,

10Hz

≤f≤100KHz

-

90

-

μV

Ripple Rejection

RR

f=100Hz,

17V

≤V

IN≤27V,Tj=25°C

34

41

-

dB

Dropout Voltage

⎢V

IN-VOUT ⎢

Tj=25°C

-

1.7

-

V

Average Temperature

Coefficient of Output Voltage

TCVO

IOUT=5mA

-

1.2

-

mV/

°C

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