TPS65250 www.
ti.
com SLVSAA3C – JUNE 2010 – REVISED OCTOBER 2012 4.
5-V TO 18-V INPUT, HIGH CURRENT, SYNCHRONOUS STEP DOWN THREE BUCK CONVERTER WITH INTEGRATED FET AND DYING GASP STORAGE AND RELEASE CIRCUIT Check for Samples: TPS65250 FEATURES 1 • Wide Input Supply Voltage Range (4.
5 V - 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 - 2.
2 MHz Set By External Resistor • External Synchronization Pin for Oscillator • External Enable/Sequencing and Soft Start Pins • Adjustable Current Limit Set By External Resistor • Soft Start Pins • Current-Mode Cont...

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