7908 datasheet(3/4 Pages) SS

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Linear Voltage Regulator – 7908

Rev 1.0

19/04/19

Absolute Maximum Ratings

PARAMETER

SYMBOL

VALUE

UNIT

Input Voltage

VIN

-35

Power Dissipation

Internally Limited

Operating Temperature Range

-55 to 150

°C

Maximum Junction Temperature

150

°C

Storage Temperature

TSTG

-65 to 150

°C

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNITS

TJ = 25°C

-7.70

-8.00

-8.30

Output Voltage

VOUT

5mA ≤ IOUT ≤ 1A,

-10.5V ≥ VIN ≥ -23V, PD ≤ 15 Watts

-7.60

-8.40

-10.5V≥VIN ≥-25V,IOUT=0.1A,TJ=25°C

-11V≥VIN ≥ -17V,IOUT=0.1A,TJ= 25°C

-10.5V≥VIN ≥-25V,IOUT=0.5A,TJ=25°C

160

Line Regulation

ΔVOUT

-11V ≥ VIN ≥ -17V,IOUT=0.5A,TJ= 25°C

5mA ≤ IOUT ≤ 1.5A,TJ= 25°C

160

Load Regulation

ΔVOUT

250mA ≤ IOUT ≤ 750mA, TJ = 25°C

Input Bias Current

TJ = 25°C

4.3

7.8

-10.5V ≥ VIN ≥ -25V

1.0

Input Bias Current

Change

ΔIB

5mA ≤ IOUT ≤ 1.5A

0.5

Output Noise

Voltage

10Hz ≤ f ≤ 100KHz, TJ = 25°C

µV/VOUT

Ripple Rejection

IOUT = 20mA, f = 120Hz,

Dropout Voltage

VIN – VOUT

IOUT = 1A, TJ = 25°C

Peak Output

Current

IMAX

TJ = 25°C

2.1

Avg. Output

Voltage

Temp. Coefficient

TCVOUT

IOUT = 5mA, 0°C ≤ TJ ≤ +125°C

-1.0

mV/°C

1. Results in die form are dependent on die attach and assembly method. Max power dissipation is internally limited by the die.

PARAMETER

SYMBOL

MIN

MAX

UNIT

Recommended Operating Conditions

Input Voltage

VIN

-7

-25

Output Current

IOUT

1.5

Operating Temperature Range

-55

125

°C

DC Electrical Characteristics, V

l =-14V, lOUT=500mA,CI=0.33µF, CO=0.1µf, TMIN≤TJ≤TMAX(unless noted otherwise)

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