TPS65252RHDR

4.5 V至16 V输入，大电流，同步降压双降压切换器，带集成FET和一个USB开关和SVS 4.5-V TO 16-V INPUT, HIGH CURRENT, SYNCHRONOUS STEP DOWN DUAL BUCK SWITCHER WITH INTEGRATED FET AND ONE USB SWITCH AND SVS

DESCRIPON/ORDERING INFORMATION

The TPS65252 features two 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.

FEATURES

• 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

• QFN Package, 28-Pin 5 mm x 5 mm RHD

APPLICATIONS

• DTV

• DSL Modems

• Cable Modems

• Set Top Boxes

• Car DVD Players

• Home Gateway and Access Point Networks

• Wireless Routers