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AS2940 Datasheet(PDF) 4 Page - Sipex Corporation

Part # AS2940
Description  1A Low Dropout Voltage Regulators
PDF  8 Pages
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Manufacturer  SIPEX [Sipex Corporation]
Direct Link  http://www.sipex.com
Logo SIPEX - Sipex Corporation

AS2940 Datasheet(HTML) 4 Page - Sipex Corporation

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Rev. 10/11/00
AS2940
ELECTRICAL CHARACTERISTICS VIN = VO + 5V, IO = 1A, CO = 22 µF, unless otherwise specified. Boldface limits
apply over the entire operating temperature range of the indicated device. All other specifications apply for TA = TJ = 25
°C.
(Continued)
Output Voltage (VO)
12V
Units
Parameter
Conditions
Typ
AS2940
Limit
(Note 5)
AS2940/833
Limit
(Note 6)
13.6V < VIN < 26V
Output Impedance
100 mADC and
20 mArms,
fO = 120 Hz
80
1000/1000
m
Ω
Quiescent
Current
VO +2V < VIN < 26V,
IO = 5 mA
AS2940, AS2940/883
AS2940C
10
10
15/20
15
15/20
mA
VIN = VO + 5V, IO = 1A
30
45/60
50/60
mA
Output Noise Voltage
10 Hz - 100 kHz,
IO = 5 mA
360
1000/1000
µVRMS
Ripple Rejection
fO = 120 Hz, 1 VRMS,
IO = 100 mA
AS2940
AS2940C
66
66
54/48
54
dB
fO = 1 kHz, 1 Vrms,
IO = 5 mA
52/46
dB
Long Term
Stability
48
mV/
1000 Hr
Dropout Voltage
IO = 1A
0.5
0.8/1.0
0.7/1.0
V
IO = 100 mA
110
150/200
150/200
mV
Short Circuit
Current
(Note 7)
1.9
1.6
1.6/1.3
A
Maximum Line
Transient
RO = 100
Ω
AS2940, T < 100 ms
AS2940/883, T < 20 ms
AS2940C, T < 1 ms
75
55
60/60
45
40/40
V
Reverse Polarity
DC Input Voltage
RO = 100
Ω
AS2940, AS2940/883
AS2940C
-30
-30
-15/-15
-15
-15/-15
V
Reverse Polarity
Transient Input
Voltage
RO = 100
Ω
AS2940, T < 100 ms
AS2940/883, T < 20 ms
AS2940C, T < 1 ms
-75
-55
-50/-50
-45/-45
-45/-45
V



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