Datasheet Texas Instruments TPS65250RHAT — 数据表

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 Control With Simple
Compensation Circuit
Power Good and Reset Generator
Storage and Release Circuit Optimized for
Reduction of Storage Capacitance in Dying …