Description; Typical End-User Applications; Evm Features; Evm Electrical Performance Specifications - Texas Instruments TPS543C20AEVM-054 User Manual

Single phase synchronous step-down converter
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Description

2
Description
The BSR054EVM is designed as a single output DC/DC converter that demonstrates the
TPS543C20AEVM-054 in a typical low-voltage application while providing a number of test points to
evaluate the performance. It uses a nominal 12-V input bus to produce a regulated 0.9-V output at up to
40-A load current.
2.1

Typical End-User Applications

Enterprise storage, SSD, NAS
Wireless and wired communication infrastructure
Industrial PCs, automation, ATE, PLC, video surveillance
Enterprise server, switches, routers
ASIC, SoC, FPGA, DSP core and I/O rails
2.2

EVM Features

Regulated 0.9-V output up to 40-A, steady-state output current
Convenient test points for probing critical waveforms
3

EVM Electrical Performance Specifications

Parameter
Input Characteristics
Voltage range
Maximum input current
No load input current
Output Characteristics
V
Output voltage
OUT
I
Output load current
OUT
Output voltage regulation
V
Output voltage ripple
OUT
V
Output overcurrent
OUT
Systems Characteristics
Switching frequency
V
Peak efficiency
OUT
Operating temperature
4
TPS543C20AEVM-054 40-A Single Phase Synchronous Step-Down
Converter
Table 1. BSR054EVM Electrical Performance Specifications
Test Conditions
V
tied to VDD
IN
V
= 12 V, I
= 40 A, V
IN
O
V
= 12 V, I
= 0 A
IN
O
Output current = 0 A to 40 A
I
to I
OUT(min)
OUT(max)
Line regulation: input voltage = 5 V to 16 V
Load regulation: output current = 0 A to I
V
= 12 V, I
= 40 A
IN
OUT
F
SW
V
= 12 V, I
= 17 A, F
IN
O
T
oper
Copyright © 2018, Texas Instruments Incorporated
= 0.9 V, F
= 500 kHz
OUT
SW
OUT(max)
= 500 kHz
SW
www.ti.com
Min
Typ
Max
Units
5
12
16
V
3.5
A
50
mA
0.9
V
0
40
A
0.5%
0.5%
10
mV
PP
46
A
500
kHz
90%
0
85
ºC
SLUUBZ2 – December 2018
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