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LP3982 数据表(PDF) 4 Page - Texas Instruments

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部件名 LP3982
功能描述  LP3982 Micropower, Ultra Low-Dropout, Low-Noise, 300 mA CMOS Regulator
PDF  23 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

LP3982 数据表(HTML) 4 Page - Texas Instruments

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background image
10
100
1k
10k
100k
FREQUENCY (Hz)
-70
-60
-50
-40
-30
-20
-10
0
0
50
100
150
200
250
300
LOAD CURRENT (mA)
0
50
100
150
200
250
85°C
25°C
-40°C
0
1
2
3
4
5
INPUT VOLTAGE (V)
0
20
40
60
80
100
240
6
120
140
160
180
200
220
IL = 0mA
TA = 85°C
TA = 25°C
TA = -40°C
0
50
100
150
200
250
300
0
20
40
60
80
100
120
140
160
180
LOAD CURRENT (mA)
FAULT = HIGH
FAULT = LOW
0
50
100
150
200
250
300
LOAD CURRENT (mA)
0
20
40
60
80
100
120
140
VO = 2.77V
VO = 2.5V
VO = 3.3V
0
50
100
150
200
250
300
LOAD CURRENT (mA)
0
20
40
60
80
100
120
140
160
85°C
25°C
-40°C
LP3982
SNVS185D – FEBRUARY 2002 – REVISED APRIL 2013
www.ti.com
TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise specified, VIN = VO + 0.5V, CIN = COUT = 2.2 μF, CCC = 33 nF, TJ = 25°C, VSHDN = VIN.
Dropout Voltage vs. Load Current
Dropout Voltage vs. Load Current
(For Different Output Voltages)
(For Different Output Temperatures)
Figure 2.
Figure 3.
FAULT Detect Threshold vs. Load Current
Supply Current vs. Input Voltage
Figure 4.
Figure 5.
Supply Current vs. Load Current
Power Supply Rejection Ratio vs. Frequency
Figure 6.
Figure 7.
4
Submit Documentation Feedback
Copyright © 2002–2013, Texas Instruments Incorporated
Product Folder Links: LP3982



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