Datasheet Texas Instruments 905-6525100 — Datenblatt

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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 3 Description The TPS65251 features three synchronous wide
input range high efficiency buck converters. The
converters are designed to simplify its application
while giving the designer the option to optimize their
usage according to the target application. 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 …