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| LP2985 Datasheet, PDF (7/21 Pages) National Semiconductor (TI) – Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator 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
2.5V to +16V
â0.3V to +16V
â0.3V to +9V
Short Circuit
Protected
â0.3V to +16V
Electrical Characteristics (Note 10)
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.
LP2985AI-X.X
LP2985I-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 ⤠150 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
â2.5
2.5
â3.0
3.0
â3.5
3.5
â4.0
4.0
Output Voltage
Line Regulation
VO(NOM)+1V ⤠VIN ⤠16V
0.007
0.014
0.032
0.014
%/V
0.032
VINâ VO
IGND
VON/OFF
ION/OFF
Dropout Voltage
(Note 7)
IL = 0
IL = 1 mA
IL = 10 mA
IL = 50 mA
IL = 150 mA
Ground Pin Current
(Note 11)
IL = 0
IL = 1 mA
IL = 10 mA
IL = 50 mA
IL = 150 mA
ON/OFF Input Voltage
(Note 8)
ON/OFF Input Current
VON/OFF < 0.3V
VON/OFF < 0.15V
High = O/P ON
Low = O/P OFF
VON/OFF = 0
VON/OFF = 5V
1
3
3
5
5
7
10
10
15
15
40
60
60
mV
90
90
120
150
150
225
225
280
350
350
575
575
65
95
95
125
125
75
110
110
170
170
120
220
220
400
400
µA
350
600
600
1000
1000
850
1500
1500
2500
2500
0.01
0.8
0.8
0.05
2
2
1.4
1.6
1.6
V
0.55
0.15
0.15
0.01
â2
5
15
â2
µA
15
7
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