0.1
10
1000
10k
Load Current - mA
50
Efficiency - %
1
30
40
100
60
90
20
0
10
80
70
100
0.96V
1.2V
1.4V
2.5
3.5
5
5.5
Input Voltage - V
90
Efficiency - %
3
4
86
88
100
92
98
84
80
82
96
94
4.5
DCDC_A
DCDC_B
DCDC_C
Test Results
4
Test Results
This section provides typical performance waveforms for the TPS650380EVM-054. The default register
settings were used unless otherwise noted.
Figure 2. Efficiency vs. Input Voltage
(DCDC_A = DCDC_B = DCDC_C = 0.96 V, I
OUTA
= 3.4 A, I
OUTB
= 1.85 A, I
OUTC
= 0.9 A)
Figure 3. Efficiency of DCDC_A vs. Output Current (V
IN
= 3.6 V)
11
SLVU720A – June 2012 – Revised November 2012
TPS650380EVM-054
Copyright © 2012, Texas Instruments Incorporated
