t - Time - 5 sec/div
m
1
A/div
I
(3A to 5A Load Steps)
OUTA
50 mV/div
DCDC_A (AC Coupled)
t - Time - 100 nsec/div
1 V/div
Vin (AC Coupled)
LX_A2
20 mV/div
LX_A3
LX_A1
Test Results
Figure 12. Input Voltage Ripple Measured Across C13
(V
IN
= 3.6 V, DCDC_A = 0.96 V, DCDC_B = DCDC_C = Disabled, I
OUTA
= 5 A)
Figure 13. Load Transient Response
(V
IN
= 3.6 V, DCDC_A = 0.96 V, DCDC_B = DCDC_C = Disabled, I
OUTA
= 3 A to 5 A step)
16
TPS650380EVM-054
SLVU720A – June 2012 – Revised November 2012
Copyright © 2012, Texas Instruments Incorporated