Texas Instruments TPS549B22EVM-847, Руководство пользователя

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EVM Electrical Performance Specifications
5 SLUUBN2 – March 2017
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Copyright © 2017, Texas Instruments Incorporated
TPS549B22EVM-847, 25-A Single Synchronous Step-Down Converter With
Full Differential Sense and PMBus™
3 EVM Electrical Performance Specifications
Table 1 lists the PWR-847EVM electrical performance specifications.
Table 1. PWR-847EVM Electrical Performance Specifications
Parameter Test Conditions Min Typ Max Units
Input Characteristics
Voltage range V
IN
tied to VDD 5 12 14 V
Maximum input current V
IN
= 12 V, I
O
= 25 A 12 A
No load input current V
IN
= 12 V, I
O
= 0 A 60 mA
Output Characteristics
V
OUT
Output voltage Output current = 10 A 1 V
I
OUT
Output load current I
OUT(min)
to I
OUT(max)
0 25 A
Output voltage regulation
Line regulation: input voltage = 5 V to 14 V 0.5%
Load regulation: output current = 0 A to I
OUT(max)
0.5%
V
OUT
Output voltage ripple V
IN
= 12 V, I
OUT
= 25 A 10 mV
PP
V
OUT
Output overcurrent 32 A
Systems Characteristics
Switching frequency F
SW
650 kHz
V
OUT
Peak efficiency V
IN
= 12 V, I
O
= 12 A, F
SW
= 650 kHz 90%
Operating temperature T
oper
0 85 ºC