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LP2983 Datasheet, PDF (4/11 Pages) National Semiconductor (TI) – Micropower 150 mA Voltage Regulator in SOT-23 Package For Output Voltages 1.2V Designed for Use with Very Low ESR Output Capacitors
Absolute Maximum Ratings (Note 1)
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
Range
Lead Temp. (Soldering, 5 sec.)
ESD Rating (Note 2)
−65˚C to +150˚C
−40˚C to +125˚C
260˚C
2 kV
Power Dissipation (Note 3)
Input Supply Voltage (Survival)
Input Supply Voltage (Operating)
Shutdown Input Voltage (Survival)
Output Voltage Survival, (Note 4)
IOUT (Survival)
Input-Output Voltage Survival,(Note 5)
Internally Limited
−0.3V to +16V
2.2V to +16V
−0.3V to +16V
−0.3V to +9V
Short Circuit
Protected
−0.3V to +16V
Electrical Characteristics
Limits in standard typeface are for TJ = 25˚C. and limits in boldface type apply over the full operating temperature range. Un-
less otherwise specified: VIN = VO(NOM) + 1V, IL = 1 mA, CIN = 1 µF, COUT = 2.2 µF, VON/OFF = 2V.
LP2983AI-X.X
LP2983I-X.X
Symbol
Parameter
Conditions
Typ
(Note 6)
(Note 6)
Units
Min
Max
Min
Max
∆VO
Output Voltage
Tolerance
1 mA ≤ IL ≤ 50 mA
−1.0
1.0
−1.5
1.5
−2.0
2.0
−2.5
2.5
−2.5
2.5
−3.5
3.5
%
1 mA ≤ IL ≤ 150 mA
−2.5
2.5
−3.0
3.0
−3.5
3.5
−4.0
4.0
Output Voltage
Line Regulation
VO(NOM)+1V ≤ VIN ≤ 16V
0.01
0.016
0.032
0.016
%/V
0.032
IGND
VIN(min)
VON/OFF
ION/OFF
en
IO(SC)
IO(PK)
Ground Pin Current
IL = 0
IL = 1 mA
IL = 10 mA
IL = 50 mA
IL = 150 mA
Minimum VIN required
to maintain Output
Regulation
ON/OFF Input Voltage
(Note 7)
ON/OFF Input Current
Output Noise
Voltage (RMS)
Ripple Rejection
VON/OFF < 0.15V
VON/OFF < 0.05V
High = O/P ON
Low = O/P OFF
VON/OFF = 0
VON/OFF = 5V
BW = 10 Hz to 100 kHz,
COUT = 10 µF
VOUT = 1.2V
f = 1 kHz
Short Circuit Current
Peak Output Current
COUT = 2.2 µF
RL = 0 (Steady State)
(Note 8)
VOUT ≥ Vo(NOM) −5%
65
95
95
125
125
75
110
110
170
170
120
220
220
400
400
µA
300
500
500
900
900
825
1200
1500
2000
2000
6
12
12
0.2
2
2
2.05
2.20
2.20
V
1.4
1.6
1.6
0.1
0.05
0.05
0.01
−2
5
15
−2
µA
15
60
µV
65
dB
400
mA
250
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