Datasheet

VID1
(5 V/div)
VID0
(5 V/div)
PGOOD (5 V/div)
V (0.1 V/div)
OUT
t - Time - 1 ms/div
1.2 V
0.9 V
5 V
Auto-Skip
V = 12 V
I = 0 A
IN
OUT
PGOOD (5 V/div)
V (0.1 V/div)
OUT
Auto-Skip
V = 12 V
I = 0 A
IN
OUT
t - Time - 1 ms/div
VID1
(5 V/div)
VID0
(5 V/div)
1.2 V
0.9 V
5 V
www.ti.com Performance and Typical Characteristic Curves
6.8 Dymamic Output Voltage Transitions
Figure 17. Output Voltage Step-Down Figure 18. Output Voltage Step-Up
13
SLUU420–MAY 2010 Using the TPS51217EVM-533, High-Performance, Single-Synchronous
Step-Down Controller for Notebook Power Supply
Copyright © 2010, Texas Instruments Incorporated