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AS78L18RTR Datasheet(PDF) 7 Page - BCD Semiconductor Manufacturing Limited

Part No. AS78L18RTR
Description  100mA POSITIVE VOLTAGE REGULATOR
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Maker  BCDSEMI [BCD Semiconductor Manufacturing Limited]
Homepage  http://www.bcdsemi.com
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AS78L18RTR Datasheet(HTML) 7 Page - BCD Semiconductor Manufacturing Limited

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100mA POSITIVE VOLTAGE REGULATOR
AS78LXX
Preliminary Datasheet
7
Feb. 2006 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
Note 2: 0.01
µF minimum load capacitance is recommended to limit high frequency noise.
Electrical Characteristics (Continued)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Output Voltage
VOUT
14.4
15.0
15.6
V
17.5V
≤V
IN≤30V,
1mA
≤I
OUT≤100mA, PD≤0.75W
14.25
15.75
Line Regulation
VRLINE
17.5V
≤V
IN≤30V
25
250
mV
Load Regulation
VRLOAD
1mA
≤I
OUT≤100mA
25
150
mV
Quiescent Current
IQ
36
mA
Quiescent Current Change
∆I
Q
20V
≤V
IN≤30V
1.5
mA
1mA
≤I
OUT≤40mA
0.1
Ripple Rejection
PSRR
f=120Hz, 18.5V
≤V
IN≤28.5V
34
39
dB
Dropout Voltage
VDROP
IOUT=40mA
1.7
V
IOUT=100mA
1.8
Output Noise Voltage
NO
10Hz
≤f≤100kHz (Note 2)
90
µV
Output Voltage
Temperature Coefficient
∆V
OUT/∆T
IOUT=5mA
1.25
mV/oC
(
∆V
OUT/VOUT)/∆T
84
ppm/oC
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Output Voltage
VOUT
17.3
18.0
18.7
V
22V
≤V
IN≤33V,
1mA
≤I
OUT≤100mA, PD≤0.75W
17.1
18.9
Line Regulation
VRLINE
22V
≤V
IN≤33V
30
300
mV
Load Regulation
VRLOAD
1mA
≤I
OUT≤100mA
30
170
mV
Quiescent Current
IQ
36
mA
Quiescent Current Change
∆I
Q
23V
≤V
IN≤33V
1.5
mA
1mA
≤I
OUT≤40mA
0.1
Ripple Rejection
PSRR
f=120Hz, 23V
≤V
IN≤33V
33
38
dB
Dropout Voltage
VDROP
IOUT=40mA
1.7
V
IOUT=100mA
1.8
Output Noise Voltage
NO
10Hz
≤f≤100kHz (Note 2)
150
µV
Output Voltage
Temperature Coefficient
∆V
OUT/∆T
IOUT=5mA
1.5
mV/oC
(
∆V
OUT/VOUT)/∆T
84
ppm/oC
AS78L18 (VIN=27V, IOUT=40mA, CIN=0.33µF, COUT=0.1µF, TJ=25
oC, Bold typeface applies over -40oC
≤T
J≤125
oC, unless
otherwise specified.)
Note 2: 0.01
µF minimum load capacitance is recommended to limit high frequency noise.
AS78L15 (VIN=23V, IOUT=40mA, CIN=0.33µF, COUT=0.1µF, TJ=25
oC, Bold typeface applies over -40oC
≤T
J≤125
oC, unless
otherwise specified.)


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