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LP2986 数据表(PDF) 4 Page - Texas Instruments

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部件名 LP2986
功能描述  Micropower, 200 mA Ultra Low-Dropout Fixed or Adjustable Voltage Regulator
PDF  26 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

LP2986 数据表(HTML) 4 Page - Texas Instruments

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LP2986
SNVS137H – MARCH 1999 – REVISED APRIL 2013
www.ti.com
Electrical Characteristics
Limits in standard typeface are for T J = 25°C, and limits in boldface type apply over the full operating temperature range.
Unless otherwise specified: VIN = VO(NOM) + 1V, IL = 1 mA, COUT = 4.7 µF, CIN = 2.2 µF, VS/D = 2V.
LM2986AI-X.X(1)
LM2986I-X.X(1)
Symbol
Parameter
Conditions
Typical
Units
Min
Max
Min
Max
VO
5.0
4.975
5.025
4.950
5.050
Output Voltage
4.960
5.040
4.920
5.080
(5.0V Versions)
0.1 mA < IL < 200 mA
5.0
4.910
5.090
4.860
5.140
3.3
3.283
3.317
3.267
3.333
Output Voltage
3.274
3.326
3.247
3.353
V
(3.3V Versions)
0.1 mA < IL < 200 mA
3.3
3.241
3.359
3.208
3.392
3.0
2.985
3.015
2.970
3.030
Output Voltage
2.976
3.024
2.952
3.048
(3.0V Versions)
0.1 mA < IL < 200 mA
3.0
2.946
3.054
2.916
3.084
0.014
0.014
Output Voltage Line
VO(NOM) + 1V ≤ VIN ≤ 16V
0.007
%/V
Regulation
0.032
0.032
VIN–VO
2.0
2.0
IL = 100 µA
1
3.5
3.5
120
120
Dropout Voltage(2)
IL = 75 mA
90
mV
170
170
230
230
IL = 200 mA
180
350
350
IGND
120
120
IL = 100 µA
100
150
150
µA
800
800
IL = 75 mA
500
Ground Pin Current
1400
1400
2.1
2.1
IL = 200 mA
1
mA
3.7
3.7
VS/D < 0.3V
0.05
1.5
1.5
µA
IO(PK)
Peak Output Current
VOUT ≥ VO(NOM) − 5%
400
250
250
mA
IO(MAX)
Short Circuit Current
RL = 0 (Steady State)
(3)
400
en
Output Noise Voltage
BW = 300 Hz to 50 kHz,
160
µV(RMS)
(RMS)
COUT = 10 µF
Ripple Rejection
f = 1 kHz, COUT = 10 µF
65
dB
Output Voltage
See(4)
20
ppm/°C
Temperature Coefficient
(1)
Limits are 100% production tested at 25°C. Limits over the operating temperature range are ensured through correlation using Statistical
Quality Control (SQC) methods. The limits are used to calculate Average Outgoing Quality Level (AOQL).
(2)
Dropout voltage is defined as the input to output differential at which the output voltage drops 100 mV below the value measured with a
1V differential.
(3)
See Typical Performance Characteristics curves.
(4)
Temperature coefficient is defined as the maximum (worst-case) change divided by the total temperature range.
4
Submit Documentation Feedback
Copyright © 1999–2013, Texas Instruments Incorporated
Product Folder Links: LP2986



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