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Reference Design
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 Subregulator
- External Clock Synchronization
- Adjustable Soft Start With...