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
22V≤VIN≤33V,
Min
Typ
Max
Unit
17.3
18.0
18.7
VOUT
Output Voltage
V
17.1
18.9
1mA≤IOUT≤100mA, PD≤0.75W
VRLINE
VRLOAD
IQ
22V≤VIN≤33V
Line Regulation
Load Regulation
Quiescent Current
30
30
3
300
170
6
mV
mV
mA
1mA≤IOUT≤100mA
23V≤VIN≤33V
1.5
0.1
∆IQ
Quiescent Current Change
Ripple Rejection
mA
dB
V
1mA≤IOUT≤40mA
f=120Hz, 23V≤VIN≤33V
IOUT=40mA
PSRR
33
38
1.7
1.8
150
1.5
VDROP
Dropout Voltage
I
OUT=100mA
NO
Output Noise Voltage
10Hz≤f≤100kHz (Note 2)
µV
mV/oC
ppm/oC
∆VOUT/∆T
Output Voltage
Temperature Coefficient
I
OUT=5mA
(∆VOUT/VOUT)/∆T
84
TO-92
200
165
180
oC/W
θJC
Thermal Resistance
SOT-89
SOIC-8
Note 2: 0.01µF minimum load capacitance is recommended to limit high frequency noise.
Aug. 2011 Rev. 1. 9
BCD Semiconductor Manufacturing Limited
10
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
