Texas Instruments Boost Evaluation Module for TPS55340 TPS55340EVM-017 TPS55340EVM-017 데이터 시트
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제품 코드
TPS55340EVM-017
I
L
(1.00 A/div)
SW (20.0 V/div)
V
OUT
AC Coupled (10 mV/div)
Timebase (1.00 µs/div)
Timebase (1.00 µs/div)
I
L
(1.00 A/div)
SW (20.0 V/div)
V
OUT
AC Coupled (100 mV/div)
Test Setup and Results
shows the EVM output voltage ripple and inductor current ripple. The output current is the rated
full load of 1.9 A and V
IN
= 12 V. The ripple voltage is measured directly across the output capacitors.
Figure 8. TPS55340EVM-017 V
IN
= 12-V Output Ripple
shows the EVM output voltage ripple, inductor current ripple and switching waveform while
operating in discontinuous conduction mode (DCM). The input voltage is 5 V and the output is loaded with
1.2 k
1.2 k
Ω
.
Figure 9. TPS55340EVM-017 DCM Output Ripple
8
TPS55340EVM-017, 5-V to 12-V Input, 24-V Output Boost Evaluation Module
SLVU668A – April 2012 – Revised July 2012
Copyright © 2012, Texas Instruments Incorporated