Datasheet

PGOOD
2 ms
VO
REFIN
REFOUT
(VTTREF)
VLDOIN
V
VDDQ
= 1.5 V
3.3VIN
EN
(S3_SLP)
Tss
T
SS
=
C
O
x V
O
I
OOCL
V
VO
= 0.75 V
UDG-08021
0.390 V
0.370 V
PGOOD
t
SS
determined
by the SS time
of VLDOIN
2ms
VO
V
VO
= 0.75 V
REFOUT
(VTTREF)
REFIN
VLDOIN
3.3VIN
EN
UDG-08020
TPS51200-Q1
www.ti.com SLUS984A –NOVEMBER 2009–REVISED APRIL 2012
Figure 1. Typical Timing Diagram for S3 and pseudo-S5 Support
Figure 2. Typical Timing Diagram of Tracking Startup and Shutdown
Copyright © 2009–2012, Texas Instruments Incorporated 11
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