ST78L08 datasheet(2/2 Pages) SEMTECH_ELEC

номер детали	ST78L08

подробное описание детали	3-Terminal positive voltage regulator

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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 78L08

Electrical Characteristics

(Unless otherwise specified, VIN=14V, IOUT=40mA, CIN=0.33μF, COUT=0.1μF, Tj=25°C)

Symbol

Test Condition

Min.

Typ.

Max.

Unit

Output Voltage

VOUT

7.7

8

8.3

V

Input Regulation

Reg. line

10.5V

≤V

IN≤23V

-

20

175

mV

11V

≤V

IN≤23V

-

12

125

Load Regulation

Reg. load

1.0mA

≤I

OUT≤100mA

-

15

80

mV

1.0mA

≤I

OUT≤40mA

-

7

40

Output Voltage

VOUT

10.5V

≤V

IN≤23V

7.6

-

8.4

V

1.0mA

≤I

OUT≤40mA

VOUT

VIN=14V

7.6

-

8.4

V

1.0mA

≤I

OUT≤70mA

Quiescent Current

IB

-

3.1

6.5

mA

With line

ΔI

B

11V

≤V

IN≤23V

-

1.5

mA

Quiescent

Current

Change

With load

1.0mA

≤I

OUT≤40mA

-

0.1

Output Noise Voltage

VNO

Ta=25

°C,

10Hz≤f≤100KHz

-

60

-

μV

Ripple Rejection

RR

f=120Hz,

12V

≤V

IN≤23V,Tj=25°C

37

45

-

dB

Dropout Voltage

⎢V

IN-VOUT ⎢

Tj=25°C

-

1.7

-

V

Average Temperature

Coefficient of Output Voltage

TCVO

IOUT=5mA

-

-0.8

-

mV/

°C

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