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3 Electrical Performance Specifications
Table 1. TPS40322EVM-074 Electrical Performance Specifications
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
Input Characteristics
V
IN
, Voltage range 4.5 15.0 V
Maximum input current V
IN
= V
IN(min)
, I
OUT
= I
OUT(max)
9.5 A
No load input current V
IN(min)
≤ V
IN
≤ V
IN(max)
, I
OUT
= I
OUT(min)
57 mA
Output Characteristics
V
OUT
, Output voltage I
OUT(min)
≤ I
OUT
≤ I
OUT(max)
1.2 V
I
OUT
, Output load current V
OUT(min)
≤ V
OUT
≤ V
OUT(max)
0 30 A
Output voltage regulation Line regulation: V
IN(min)
≤ V
IN
≤ V
IN(max)
, I
OUT
= I
OUT(max)
0.5 %
Load regulation: I
OUT(min)
≤ I
OUT
≤ I
OUT(max)
0.5 %
Output voltage ripple I
OUT
= I
OUT(max)
24 mV
pp
Output over current V
IN(min)
≤ V
IN
≤ V
IN(max)
32 A
Systems Characteristics
Switching frequency per phase 500 kHz
Peak efficiency V
IN
= 4.5 V, I
OUT
= 7 A 92%
Full load efficiency V
IN
= 8 V , I
OUT
= I
OUT(max)
88%
Operating temperature 25 ºC
3
SLUU926–May 2012 Dual-Phase, Single-Output, Synchronous Buck Converter
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