Texas Instruments Boost Evaluation Module for TPS55340 TPS55340EVM-017 TPS55340EVM-017 Datenbogen
Produktcode
TPS55340EVM-017
SW (20.0 V/div)
V
IN
(5.00 V/div)
V
OUT
(10.0 V/div)
Timebase (2.00 ms/div)
SW (20.0 V/div)
EN (2.00 V/div)
V
IN
(5.00 V/div)
V
OUT
(10.0 V/div)
Timebase (2.00 ms/div)
Test Setup and Results
shows the shutdown waveforms for the EVM. The input voltage is 5V. The EN goes low and the
output voltage ramps from 24 V to V
IN
. The load is 120
Ω
.
Figure 14. TPS55340EVM-017 Power Down With EN
4.11 Powering Up and Down with V
IN
shows the start-up waveforms for the EVM. The input voltage ramps with the input voltage
power supply and EN is tied to V
IN
. V
IN
ramps up, the converter starts switching and the output voltage
ramps to 24 V. The load is 120
Ω
.
Figure 15. TPS55340EVM-017 Power Up With V
IN
11
SLVU668A – April 2012 – Revised July 2012
TPS55340EVM-017, 5-V to 12-V Input, 24-V Output Boost Evaluation Module
Copyright © 2012, Texas Instruments Incorporated