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2 Electrical Performance Specifications
Table 1. PWR091EVM-001 Electrical Performance Specifications
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
INPUT CHARACTERISTICS
Voltage range V
IN
8 12 14 V
Maximum input current V
IN
= 8 V, I
O1
= 20 A, I
O2
= 15 A 10 15 A
No load input current V
IN
= 14 V, I
O1
= 0 A, I
O2
= 0 A 100 mA
OUTPUT CHARACTERISTICS
V
OUT1
Output voltage Output current = 10 A 1.2 V
V
OUT2
Output voltage Output current = 10 A 3.3 V
I
OUT1
Output load current I
OUT_min
to I
OUT_max
0 20 A
I
OUT2
Output load current I
OUT_min
to I
OUT_max
0 15 A
Line regulation: Input voltage = 8 V to 14 V 0.5%
Output voltage regulation
Load regulation: Output current = 0 A to I
OUT_max
, both
0.%5
outputs
V
OUT1
Output voltage ripple V
IN
= 12 V, I
OUT
= 20 A 30 mVpp
V
OUT2
Output voltage ripple V
IN
= 12 V, I
OUT
= 15 A 30 mVpp
V
OUT1
Output overcurrent 25 A
V
OUT2
Output overcurrent 20 A
SYSTEMS CHARACTERISTICS
Switching frequency F
SW
460 kHz
V
OUT1
Peak efficiency V
IN
= 8 V, I
O1
= 10 A, V
OUT2
disabled, F
SW
= 300 kHz 92%
V
OUT2
Peak efficiency V
IN
= 8 V, I
O2
= 8.5 A, V
OUT1
disabled, F
SW
= 300 kHz 95%
V
OUT1
Full-load efficiency V
IN
= 8 V, I
O1
= 10 A, V
OUT2
disabled, F
SW
= 300 kHz 90%
V
OUT2
Full-load efficiency V
IN
= 8 V, I
O2
= 8.5 A, V
OUT1
disabled, F
SW
= 300 kHz 93%
Operating temperature T
oper
25 ºC
8
Using the PWR091EVM Dual-Output DC/DC Analog With PMBus Interface SLVU638–January 2012
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