Datasheet

4.03 Ps
4.03 Ps
4.0 Ps
1
1e1 1e2 1e3 1e4
OUTPUT CURRENT (mA)
0.00
18.00
36.00
54.00
72.00
90.00
EFFICIENCY (%)
V
IN
= 5.5V
V
IN
= 5V
4.03 Ps
LP3972
SNVS468K –SEPTEMBER 2006–REVISED MAY 2013 www.ti.com
Line Transient Response
V
IN
= 3, 3.5 volts V
OUT
= 1.4 volts Forced PWM V
IN
= 3 – 3.6 V, V
OUT
= 1.2 V, 250 mA load
Figure 10. Figure 11.
Mode Change
Load Transient Load transients 20 mA to 560 mA
3.6 V
IN
, 3.3 V
OUT
, 0 – 100 mA load V
OUT
= 1.4 volts [PFM to PWM] V
IN
= 4.1 volts
Figure 12. Figure 13.
Startup
Startup into PWM Mode 980 mA [channel 2]
V
OUT
= 1.4 volts V
IN
= 4.1 volts
Figure 14.
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