LP2981 National Semiconductor, LP2981 Datasheet - Page 4

• Manufacturer Part Number: LP2981
• Description: Micropower 100 mA Ultra Low-Dropout Regulator
• Manufacturer: National Semiconductor

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I
V
I
V
I
e
I
GND
ON/OFF
O(PK)
O(MAX)
Symbol
n
Limits in standard typeface are for T
less otherwise specified: V
V
Electrical Characteristics
IN
ON/OFF
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Storage Temperature Range
Operating Junction Temperature
Lead Temperature
ESD Rating (Note 2)
O
–V
(Soldering, 5 sec.)
Range
O
Output Voltage
Tolerance
Output Voltage
Line Regulation
Dropout Voltage
(Note 7)
Ground Pin Current
ON/OFF Input Voltage
(Note 8)
ON/OFF Input Current
Peak Output Current
Output Noise
Voltage (RMS)
Ripple Rejection
Short Circuit Current
Parameter
IN
= V
O(NOM)
J
= 25˚C, and limits in boldface type applyover the full operating temperature range. Un-
I
1 mA
V
I
I
I
I
I
I
I
I
V
V
High = O/P ON
Low = O/P OFF
V
V
V
BW = 300 Hz–50 kHz,
C
f = 1 kHz
C
R
(Note 9)
+ 1V, C
L
L
L
L
L
L
L
L
L
O(NOM)
ON/OFF
ON/OFF
ON/OFF
ON/OFF
OUT
OUT
OUT
L
V
= 1mA
= 0
= 1 mA
= 25 mA
= 100 mA
= 0
= 1 mA
= 25 mA
= 100 mA
IN
= 0 (Steady State)
−65˚C to +150˚C
−40˚C to +125˚C
= 10 µF
= 10 µF
<
Conditions
(Note 1)
16V
V
IN
I
+ 1V
<
<
= 0
= 5V
L
O(NOM)
= 1 µF, I
<
0.3V
0.15V
100 mA
260˚C
2 kV
− 5%
L
= 1 mA, C
4
Power Dissipation (Note 3)
Input Supply Voltage (Survival)
Input Supply Voltage (Operating)
Shutdown Input Voltage (Survival)
Output Voltage (Survival, (Note 4))
I
Input-Output Voltage
OUT
0.007
0.01
0.05
0.50
0.01
Typ
200
200
600
400
160
150
1.4
70
65
80
63
(Survival, (Note 5))
1
7
5
OUT
(Survival)
= 4.7 µF,V
−0.75
−2.5
−1.0
Min
150
LP2981AI-XX
1.6
(Note 6)
ON/OFF
0.014
0.032
1500
Max
0.75
0.15
100
150
250
375
125
110
170
300
550
800
1.0
2.5
0.8
10
15
95
−1
15
3
5
2
= 2V.
−1.25
−2.0
−3.5
Min
150
1.6
LP2981I-XX
(Note 6)
Short Circuit Protected
Internally Limited
0.014
0.032
1500
Max
1.25
0.15
100
150
250
375
125
110
170
300
550
800
2.0
3.5
0.8
−1
10
15
95
15
−0.3V to +16V
−0.3V to +16V
−0.3V to +16V
3
5
2
−0.3V to +9V
2.1V to +16V
%V
Units
%/V
mV
mA
mA
µA
µA
µV
dB
V
NOM