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| LP2982 Datasheet, PDF (5/17 Pages) National Semiconductor (TI) – Micropower 50 mA Ultra Low-Dropout Regulator | |||
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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 Temperature (Soldering, 5 sec.)
ESD Rating (Note 2)
â65ËC to +150ËC
â40ËC to +125ËC
260ËC
2 kV
Power Dissipation (Note 3)
Internally Limited
Input Supply Voltage (Survival)
â0.3V to +16V
Input Supply Voltage (Operating)
2.1V to +16V
Shutdown Input Voltage (Survival)
â0.3V to +16V
Output Voltage (Survival, (Note 4))
â0.3V to +9V
IOUT (Survival)
Short Circuit Protected
Input-Output Voltage (Survival, (Note 5)) â0.3V to +16V
Electrical Characteristics
Limits in standard typeface are for TJ = 25ËC, 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 = 4.7 µF, VON/OFF = 2V.
Symbol
Parameter
Conditions
Typ
LP2982AI-X.X
LP2982I-X.X
Units
(Note 6)
(Note 6)
Min
Max
Min
Max
âVO
Output Voltage
Tolerance
IL = 1 mA
1 mA < IL < 50 mA
â1.0
â1.5
â2.0
+1.0
+1.5
+2.0
â1.5
â2.0
â3.5
+1.5
+2.0
+3.5
%VNOM
Output Voltage Line
Regulation
VO(NOM) + 1V ⤠VIN ⤠16V 0.007
0.014
0.032
0.014
%/V
0.032
VINâ VO
Dropout Voltage
(Note 7)
IL = 0
1
3
3
5
5
IL = 1 mA
IL = 10 mA
7
10
10
15
15
mV
40
60
60
90
90
IL = 50 mA
120
150
150
225
225
IGND
Ground Pin Current
IL = 0
65
95
95
125
125
IL = 1 mA
80
110
110
170
170
IL = 10 mA
140
220
220
µA
460
460
VON/OFF
IL = 50 mA
ON/OFF Input Voltage
(Note 8)
VON/OFF < 0.3V
VON/OFF < 0.15V
High = O/P ON
Low = O/P OFF
375
600
600
1200
1200
0.01
0.8
0.8
0.10
2.0
2.0
1.4
1.6
1.6
V
0.55
0.15
0.15
ION/OFF
IO(PK)
VINâ VO
ON/OFF Input Current
Peak Output Current
Dropout Voltage
VON/OFF = 0
VON/OFF = 5V
VOUT ⥠VO(NOM) â 5%
IL = 80 mA
0.01
â2
5
15
â2
µA
15
150
100
100
mA
180
225
225
mV
325
325
IGND
Ground Pin Current
IL = 80 mA
525
750
750
µA
1400
1400
en
Output Noise Voltage BW = 300 Hzâ50 kHz,
µV
(RMS)
COUT = 10 µF
30
CBYPASS = 0.01 µF
5
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