Texas Instruments Integrated 5 A, 24 V Wide Input Range Boost DC/DC Regulator Evaluation Module TPS55330EVM-017 TPS55330EVM-017 데이터 시트
제품 코드
TPS55330EVM-017
Time: 200 µs/div
C3: V
OUT
ac coupled
(10.0 mV/div)
C1: SW (2.0 V/div)
No load
V
V
IN
= 3.6 V
Time: 1.0 µs/div
C3: V
OUT
ac coupled
(10.0 mV/div)
C4: I
L
(1.0 A/div)
C1: SW (5.0 V/div)
I
OUT
= 100 mA
V
IN
= 3.6 V
Test Setup and Results
shows the EVM output voltage ripple, inductor current ripple and switching waveform while
operating in discontinuous conduction mode (DCM). The input voltage is 3.6 V and the output is loaded
with 100 mA.
with 100 mA.
Figure 7. TPS55330EVM-017 DCM Output Ripple
4.8
Pulse-Skipping Operation
The TPS55330 features pulse-skipping for output regulation when operating at light loads.
shows
the output voltage ripple and the pulse-skipping at SW. The input voltage is 3.6 V.
Figure 8. TPS55330EVM-017 V
IN
= 3.6-V Pulse-Skipping
7
SLVU930 – July 2013
TPS55330EVM-017 2.9-V to 4.2-V Input, 5.0-V Output Boost Evaluation
Module
Copyright © 2013, Texas Instruments Incorporated