PE25200 EVK User’s Manual
High Efficiency DC-DC Converter
http://www.murata.com/products/power
Copyright ©2021 Murata Manufacturing Co., Ltd. and pSemi Corporation, a Murata Company. All rights reserved.
DOC-105510-1 (07/2021)
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Hardware Operation
The general guidelines for operating the hardware evaluation board are listed in this section. Follow the steps below
to configure the hardware properly for the stated performance.
1. Ensure the jumpers are set as appropriate for the desired mode and division ratio.
2. Provide input voltage to the input terminals.
3. Apply output load after PGOOD goes high.
Figure 5 shows typical startup sequence traces.
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Yellow trace = 15V from source
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Green trace = PGOOD
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Blue trace = Vout
Figure 5. Typical Startup Sequence
EVK Startup
When starting the EVK, be sure to start it with no load.
If the EVK is powered up with a load, it may not start due to the soft-start current limit being exceeded.