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| LP3971_16 Datasheet, PDF (13/52 Pages) Texas Instruments – Power Management Unit for Advanced Application Processors | |||
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www.ti.com
VIN = 3, 3.5 volts VOUT = 1.4 volts Forced PWM
90.00
VIN = 5.5V
72.00
VIN = 5V
54.00
36.00
18.00
0.00
1
1e1
1e2
1e3
1e4
OUTPUT CURRENT (mA)
Figure 11.
Load Transient
3.6 VIN, 3.3 VOUT, 0 â 100 mA load
LP3971
SNVS432V â JANUARY 2006 â REVISED MAY 2013
Line Transient Response
VIN = 3, 3.6 V, VOUT = 1.2 V, 250 mA load
4.03 Ps
Figure 12.
Mode Change
Load transients 20 mA to 560 mA
VOUT = 1.4 volts [PFM to PWM] VIN = 4.1 volts
4.03 Ps
Figure 13.
4.0 Ps
Figure 14.
Startup
Startup into PWM Mode 980 mA [channel 2]
VOUT = 1.4 volts VIN = 4.1 volts
4.03 Ps
Figure 15.
Copyright © 2006â2013, Texas Instruments Incorporated
Product Folder Links: LP3971
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