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AMS2942AS Datasheet(PDF) 2 Page - Advanced Monolithic Systems

Part # AMS2942AS
Description  HIGH VOLTAGE LOW DROPOUT REGULATOR
PDF  7 Pages
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Manufacturer  ADMOS [Advanced Monolithic Systems]
Direct Link  http://www.advanced-monolithic.com
Logo ADMOS - Advanced Monolithic Systems

AMS2942AS Datasheet(HTML) 2 Page - Advanced Monolithic Systems

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Advanced Monolithic Systems, Inc.
www.advanced-monolithic.com
Phone (925) 443-0722
Fax (925) 443-0723
AMS2942
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Supply Voltage
-0.3 to +50V
ESD
2000V
Power Dissipation
Internally Limited
Junction Temperature
+150
°C
OPERATING RATINGS (Note 1)
Storage Temperature
-65
°C to +150°C
Max. Input Supply Voltage
45V
Soldering (25 Sec.)
265
°C
Junction Temperature Range
-40
°C to +125°C
(TJ) (Note 8)
ELECTRICAL CHARACTERISTICS at V
S
=VOUT+1V, TA=25°C, unless otherwise specified.
Parameter
Conditions
(Note 2)
AMS2942A
Min.
Typ.
Max.
AMS2942B
Min.
Typ.
Max.
Units
Reference Voltage
1.22
1.235
1.25
1.21
1.235
1.26
V
Reference Voltage
Over Temperature (Note 7)
1.19
1.27
1.185
1.285
V
Output Voltage
Temperature Coefficient
(Note 10) (Note 4)
20
50
ppm/°C
Line Regulation (Note 12)
6V
≤ V
IN
≤ 45V (Note 13)
0.05
0.2
0.1
0.4
%
Load Regulation (Note 12)
100
µA ≤I
L
≤ 100 mA
0.05
0.2
0.1
0.4
%
Dropout Voltage
(Note 5)
I
L
= 100
µ A
I
L
= 100 mA
50
380
80
450
50
380
80
450
mV
mV
Ground Current
I
L
= 100
µA
I
L
= 100 mA
120
8
180
12
120
8
180
12
µA
mA
Current Limit
V
OUT
= 0
160
200
160
200
mA
Thermal Regulation
(Note 11)
0.05
0.2
0.05
0.2
%/W
Output Noise,
10Hz to 100KHz
C
L
= 1
µF
C
L
= 200
µF
C
L
= 13.3
µF
(Bypass = 0.01
µF pins 7 to 1)
430
160
100
430
160
100
µV rms
µV rms
µV rms
Feedback Pin Bias Current
40
80
40
80
nA
Reference Voltage Temperature
Coefficient
( Note 10)
20
50
ppm/°C
Feedback Pin Bias Current
Temperature Coefficient
0.1
0.1
nA/°C
Error Comparator
Output Leakage Current
V
OH
= 42V
0.05
2
0.05
2
µA
Output Low Voltage
V
IN
= 4.5V, I
OL
= 400
µA
150
250
150
250
mV
Upper Threshold Voltage
(Note 6)
40
60
40
60
mV
Lower Threshold Voltage
(Note 6)
75
95
75
95
mV
Hysteresis
(Note 6)
15
15
mV
Shutdown Input
Input logic Voltage
Low (Regulator ON)
High (Regulator OFF)
2.5
1.3
0.7
2.5
1.3
0.7
V
V
Shutdown Pin Input Current
(Note 3)
VS = 2.5V
V
S
= 42V
30
600
60
850
30
600
60
850
µA
µA
Regulator Output Current in
Shutdown (Note 3)
(Note 9)
15
50
15
50
µA



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