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Reference Design
TPS65251
SLVSAA4G – JUNE 2010 – REVISED FEBRUARY 2018
TPS65251 4.
5-V to 18-V Input, High-Current, Synchronous Step-Down Three Buck Switcher With Integrated FET
1 Features
•1 Wide Input Supply
Voltage Range (4.
5 to 18 V) • 0.
8 V, 1% Accuracy Reference • Continuous Loading: 3 A (Buck 1),
2 A (Buck 2 and 3) • Maximum Current: 3.
5 A (Buck 1),
2.
5 A (Buck 2 and 3) • Adjustable Switching Frequency
300 kHz to 2.
2 MHz Set by External Resistor • Dedicated Enable for Each Buck • External Synchronization Pin for Oscillator • External Enable/Sequencing and Soft-Start Pins • Adjustable Current Limit ...