Datasheet

V
IN
= 12 V
V
OUT
= 0.9 V
I
OUT
= 20 A
V
IN
= 12 V
V
OUT
= 1.2 V
I
OUT
= 20 A
V
IN
= 20 V
V
OUT
= 0.9 V
I
OUT
= 20 A
www.ti.com Performance and Typical Characteristic Curves
6.5 Output Ripple
Figure 11. Output Ripple at 0.9-V Output Figure 12. Output Ripple at 1.2-V Output
6.6 Switch-Node Voltage
Figure 13. Switching Node Waveform
11
SLUU420–MAY 2010 Using the TPS51217EVM-533, High-Performance, Single-Synchronous
Step-Down Controller for Notebook Power Supply
Copyright © 2010, Texas Instruments Incorporated