LP3972 datasheet(11/59 Pages) TI1

Part #	LP3972

Description	Power Management Unit for Advanced Application Processors

PDF	59 Pages

Scroll/Zoom	100%

Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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11 / 59 page

4.03 Ps

4.0 Ps

200

400

600

800

1000

1200

LOAD CURRENT (mA)

100

150

200

250

300

REG1 3.3V OUTPUT

200

400

600

800

1000

1200

LOAD CURRENT (mA)

-100

-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.

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.

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LP3972 Datasheet(PDF) 11 Page - Texas Instruments

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