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LP2983 Datasheet(PDF) 3 Page - Texas Instruments

Part # LP2983
Description  LP2983 Micropower 150 mA Voltage Regulator in SOT-23 Package For Output Voltages ??1.2V Designed for Use with Very Low ESR Output Capacitors
PDF  18 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LP2983 Datasheet(HTML) 3 Page - Texas Instruments

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LP2983
www.ti.com
SNVS170C – OCTOBER 2001 – REVISED APRIL 2013
Electrical Characteristics
Limits in standard typeface are for TJ = 25°C. and limits in boldface type apply over the full operating temperature range.
Unless 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
(1)
(1)
Units
Min
Max
Min
Max
ΔVO
Output Voltage
−1.0
1.0
−1.5
1.5
Tolerance
1 mA
≤ IL ≤ 50 mA
−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
VO(NOM)+1V ≤ VIN ≤ 16V
0.01
0.016
0.016
%/V
Line Regulation
0.032
0.032
IGND
Ground Pin Current
IL = 0
65
95
95
125
125
IL = 1 mA
75
110
110
170
170
IL = 10 mA
120
220
220
400
400
µA
IL = 50 mA
300
500
500
900
900
IL = 150 mA
825
1200
1500
2000
2000
VON/OFF < 0.15V
6
12
12
VON/OFF < 0.05V
0.2
2
2
VIN(min)
Minimum VIN required to
2.05
2.20
2.20
maintain Output
Regulation
V
VON/OFF
ON/OFF Input Voltage
High = O/P ON
1.4
1.6
1.6
(2)
Low = O/P OFF
0.1
0.05
0.05
ION/OFF
ON/OFF Input Current
VON/OFF = 0
0.01
−2
−2
µA
VON/OFF = 5V
5
15
15
en
Output Noise
BW = 10 Hz to 100 kHz,
Voltage (RMS)
COUT = 10 µF
60
µV
VOUT = 1.2V
Ripple Rejection
f = 1 kHz
65
dB
COUT = 2.2 µF
IO(SC)
Short Circuit Current
RL = 0 (Steady State)
400
(3)
mA
IO(PK)
Peak Output Current
VOUT ≥ Vo(NOM) −5%
250
(1)
Limits are 100% production tested at 25°C. Limits over the operating temperature range are guaranteed through correlation using
Statistical Quality Control (SQC) methods. The limits are used to calculate National's Average Outgoing Quality Level (AOQL).
(2)
The ON/OFF input must be properly driven to prevent possible misoperation. For details, refer to Application Hints.
(3)
The LP2983 has foldback current limiting which allows a high peak current when VOUT > 0.5V, and then reduces the maximum output
current as VOUT is forced down to ground (see Typical Performance Characteristics curves).
Copyright © 2001–2013, Texas Instruments Incorporated
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