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| LP2992 Datasheet, PDF (4/15 Pages) National Semiconductor (TI) – Micropower 250 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and LLP Packages Designed for Use with Very Low ESR Output Capacitors | |||
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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 Temp. (Soldering, 5 sec.)
ESD Rating (Note 2)
Power Dissipation (Note 3)
â65ËC to +150ËC
â40ËC to +125ËC
260ËC
2 kV
Internally Limited
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))
â0.3V to +16V
2.2V to +16V
â0.3V to +16V
â0.3V to +9V
Short Circuit
Protected
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.
LP2992AI-X.X
LP2992I-X.X
Symbol
Parameter
Conditions
Typ
(Note 6)
(Note 6)
Units
Min
Max
Min
Max
âVO
Output Voltage
IL = 1 mA
Tolerance
1 mA ⤠IL ⤠50 mA
1 mA ⤠IL ⤠250 mA
â1.0
1.0
â1.5
1.5
â1.5
1.5
â2.5
2.5
â2.5
2.5
â3.5
3.5
%VNOM
â3.5
3.5
â4.0
4.0
â4.5
4.5
â5.0
5.0
Output Voltage
VO(NOM)+1V ⤠VIN ⤠16V
0.007
0.014
0.014
%/V
Line Regulation
0.032
0.032
VIN(min)
Minimum input voltage
required to maintain
2.05
2.20
2.20
V
outpout regulation
VINâ VO
Dropout Voltage
(Note 7)
IL = 0
0.5
2.5
2.5
4
4
IL = 1 mA
5
9
9
12
12
IL = 50 mA
100
125
125
mV
180
180
IL = 150 mA
260
325
325
470
470
IL = 250 mA
450
575
575
850
850
IGND
Ground Pin Current
IL = 0
65
95
95
125
125
IL = 1 mA
75
110
110
170
170
IL = 50 mA
IL = 150 mA
350
600
600
1000
1000
µA
850
1500
1500
2500
2500
VON/OFF
IL = 250 mA
ON/OFF Input Voltage
(Note 8)
VON/OFF < 0.3V
VON/OFF < 0.15V
High = O/P ON
Low = O/P OFF
1500
2300
2300
4000
4000
0.01
0.8
0.8
0.05
2
2
1.4
1.6
1.6
V
0.55
0.15
0.15
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