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G78G

100mA POSITIVE VOLTAGE REGULATOR

BCD Semiconductor 

Data Sheet

100mA POSITIVE VOLTAGE REGULATOR

AS78LXX

Electrical Characteristics (Continued)

AS78L18 (VIN=27V, IOUT=40mA, CIN=0.33µF, COUT=0.1µF, TJ=25oC, Bold typeface applies over -40oC≤TJ≤125oC, unless

otherwise specified.)

Parameter

Symbol

Conditions

Min Typ Max Unit

17.3 18.0 18.7

Output Voltage

Line Regulation

VOUT

VRLINE

22V≤VIN≤33V,

1mA≤IOUT≤100mA, PD≤0.75W

17.1

V

18.9

22V≤VIN≤33V

30 300 mV

Load Regulation

VRLOAD

1mA≤IOUT≤100mA

30 170 mV

Quiescent Current

IQ

Quiescent Current Change

∆IQ

23V≤VIN≤33V

1mA≤IOUT≤40mA

3

6

mA

1.5

mA

0.1

Ripple Rejection

PSRR

f=120Hz, 23V≤VIN≤33V

33

38

dB

Dropout Voltage

VDROP

IOUT=40mA

IOUT=100mA

1.7

V

1.8

Output Noise Voltage

NO

10Hz≤f≤100kHz (Note 2)

150

µV

Output Voltage

Temperature Coefficient

∆VOUT/∆T

(∆VOUT/VOUT)/∆T

IOUT=5mA

1.5

mV/oC

84

ppm/oC

TO-92

200

Thermal Resistance

θJC

SOT-89

SOIC-8

165

oC/W

180

Note 2: 0.01µF minimum load capacitance is recommended to limit high frequency noise.

Aug. 2011 Rev. 1. 9

BCD Semiconductor Manufacturing Limited

10

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