lm2941wg-883 National Semiconductor Corporation, lm2941wg-883 Datasheet - Page 4

• Manufacturer Part Number: lm2941wg-883
• Description: 1a Low Dropout Adjustable Regulator
• Manufacturer: National Semiconductor Corporation

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V
V
V
I
V
I
V
V
RR
Q
SC
Ref
RLine
RLoad
DO
TH On
Th Off
Symbol
Symbol
LM2941 Electrical Characteristics
DC Parameters
The following conditions apply, unless otherwise specified.
DC:
AC Parameters
The following conditions apply, unless otherwise specified.
AC:
5V
5V
Maximum Line Transient
Reverse Polarity Transient Input
Voltage
Ripple Rejection
Reference Voltage
Line Regulation
Load Regulation
Quiescent Current
Dropout Voltage
Short Circuit Current
Maximum Operational Input
Voltage
Reverse Polarity DC Input
Voltage
ON/OFF Threshold Voltage ON
ON/OFF Threshold Voltage OFF I
ON/OFF Threshold Current
≤
≤
V
V
O
O
≤
≤
20V, V
20V, V
Parameter
Parameter
IN
IN
= V
= V
O
O
+5V, C
+5V, C
O
O
= 22µF
= 22µF
V
= 100Ω, t
t
ƒ
ƒ
5mA
V
50mA
V
50mA
V
V
V
I
I
V
R
I
V
O
O
O
O
≤
O
O
O Max
O
OUT
OUT
O
IN
IN Max
ON/OFF
O
= 1A
= 100mA
≤
≤
= 1KHz, 1 V
= 1KHz, 1 V
100mS, R
+ 2V
+ 2V
= 100Ω, V
= V
1A
1A
≤
= 5V
= 20V
1V above nominal V
≤
≤
O
= 26V
I
O
= 2.0V, I
I
I
≤
≤
+ 5V, I
O
O
≤
≤
Conditions
Conditions
V
V
≤
≤
100mS
1A
IN
IN
O
1A, V
1A, V
O
≤
≤
RMS
RMS
= 100Ω
O
≥
O
26V, I
26V, I
= 1A
-0.6V
4
, I
, I
≤
IN
IN
L
L
1A
= 10V,
= 25V,
= 100mA
= 100mA
O
O
= 5mA
= 5mA
O
, R
O
(Note 8)
(Note 8)
(Note 7)
(Note 6)
(Note 6)
(Note 6)
(Note 9)
(Note 9)
Notes
Notes
1.237 1.313
1.211 1.339
2.00
Min
1.6
1.3
-15
Min
-50
60
Max
200
300
100
300
Max
0.02
0.04
0.8
1.0
3.5
3.7
0.8
10
10
10
15
20
45
60
26
mV/V
mV/V
mV/V
Unit
V
Unit
%/V
%/V
mA
mA
mA
mA
mV
mV
µA
µA
V
V
V
V
A
A
V
V
V
V
V
DC
groups
groups
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
4, 5, 6
4, 5, 6
Sub-
Sub-
2, 3
2, 3
2, 3
2, 3
2, 3
2, 3
2, 3
5, 6
1
1
1
1
1
1
1
4