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Reference Design
LM27402
SNVS615K – JANUARY 2010 – REVISED FEBRUARY 2018
LM27402 High-Performance Synchronous Buck Controller With DCR Current Sensing
1 Features
•1 Wide Input-Voltage Range of 3 V to 20 V • Inductor DCR or Shunt Resistor Based
Overcurrent Protection • 0.
6-V Reference With ±1% FB Accuracy Across
Full –40°C to 125°C Junction Temperature Range • Switching Frequency from 200 kHz to 1.
2 MHz • Output Voltage as High as 95% of Input Voltage • Integrated High-Current MOSFET Drivers • Internal VDD Bias Supply LDO Sub
regulator • External Clock Synchronization • Adjustable Soft Start With External ...