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LP3972 データシート(PDF) 11 Page - Texas Instruments

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部品番号 LP3972
部品情報  Power Management Unit for Advanced Application Processors
PDF  59 Pages
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メーカー  TI1 [Texas Instruments]
ホームページ  http://www.ti.com
Logo TI1 - Texas Instruments

LP3972 データシート(HTML) 11 Page - Texas Instruments

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4.03 Ps
4.03 Ps
4.0 Ps
0
200
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600
800
1000
1200
LOAD CURRENT (mA)
0
50
100
150
200
250
300
REG1 3.3V OUTPUT
0
200
400
600
800
1000
1200
LOAD CURRENT (mA)
-100
-50
0
50
100
150
200
REG1 3.3V OUTPUT
VIN = 3.6V
REG2 2.5V OUTPUT
REG3 1.3V OUTPUT
LP3972
www.ti.com
SNVS468J – SEPTEMBER 2006 – REVISED AUGUST 2011
LDO Dropout Voltage vs. Load Current Collect Data For All LDOs
Dropout Voltage
Change in Output Voltage
vs.
vs.
Load Current
Load Current
Figure 3.
Figure 4.
LDO1 Line Regulation
LDO1 Load Transient
VOUT = 1.8 volts VIN 3 to 4 volts Load = 100 mA
VIN = 4.1 volts VOUT = 1.8 volts no-load-100 mA
Figure 5.
Figure 6.
Enable Start-up time (LDO1)
LDO1 Channel 2 LDO4 Channel 1 Sys_enable from 0 volts Load = 100 mA
Figure 7.
Copyright © 2006–2011, Texas Instruments Incorporated
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