Datasheet Texas Instruments TPS65252RHDT — 数据表

TPS65252
www.ti.com SLVSAM1C – DECEMBER 2010 – REVISED DECEMBER 2012 4.5-V TO 16-V INPUT, HIGH CURRENT, SYNCHRONOUS STEP DOWN DUAL BUCK
SWITCHER WITH INTEGRATED FET AND ONE USB SWITCH AND SVS
Check for Samples: TPS65252 FEATURES APPLICATIONS 1 Wide Input Supply Voltage Range
(4.5 V -16 V)
Output Range 0.8 to ~VIN -1 V
Fully Integrated Dual Buck,
3.5-A/2.5-A Maximum Current,
3-A/2-A Continuous Operation
High Efficiency
Switching Frequency:
300 kHz -2.2 MHz Set By External Resistor
External Enable/Sequencing Pins
Adjustable Cycle-By-Cycle Current Limit Set
By External Resistor
Soft Start Pins
Current Mode Control With Simple
Compensation Circuit
Power Good and Reset Generator
Low Power Mode Set By External Signal
One Current Adjustable USB Switch With Over
Current Protection
Supervisory Circuit …