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LP2985LV_0406 Datasheet, PDF (4/17 Pages) National Semiconductor (TI) – Micropower 150 mA Low-Noise Low-Dropout Regulator in SOT-23 and micro SMD packages for Applications
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)
−65˚C to +150˚C
−40˚C to +125˚C
260˚C
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))
−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 (Note 10)
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 = 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
∆VO
Output Voltage
IL = 1 mA
Tolerance
1 mA ≤ IL ≤ 50 mA
1 mA ≤ IL ≤ 150 mA
−1.0
1.0
−1.5
1.5
−1.5
1.5
−2.5
2.5
−2.5
2.5
−3.5
3.5
%VNOM
−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 0.007
0.014
0.032
0.014
%/V
0.032
IGND
Ground Pin Current
IL = 0
IL = 1 mA
IL = 10 mA
IL = 50 mA
VIN(min)
VIN - VOUT
IL = 150 mA
Minimum Input Voltage
Required To maintain
Output Regulation
(Note 9)
Dropout Voltage
(Note 9)
VON/OFF < 0.3V
VON/OFF < 0.15V
IL = 50mA
IL = 150mA
VON/OFF
ION/OFF
en
ON/OFF Input Voltage
(Note 7)
ON/OFF Input Current
Output Noise
Voltage (RMS)
High = O/P ON
Low = O/P OFF
VON/OFF = 0
VON/OFF = 5V
BW = 300 Hz to 50 kHz,
COUT = 10 µF
CBYPASS = 10 nF
VOUT = 1.8V
65
95
95
125
125
75
110
110
170
170
120
220
220
400
400
µA
300
500
500
900
900
825
1200
1200
2000
2000
0.01
0.8
0.8
0.05
2
2
2.05
2.20
2.20
V
120
150
150
250
250
mV
280
350
350
600
600
1.4
1.6
1.6
V
0.55
0.15
0.15
0.01
−2
5
15
−2
µA
15
30
µV
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