TPS54550 Datasheet - Texas Instruments

TPS54550, SYNCHRONOUS PWM SWITCHER

www.ti.com 6,4 mm y 5,0 mm TPS54550 SLVS623A * MARCH 2006 * REVISED APRIL 2006 4.5-V TO 20-V INPUT, 6-A OUTPUT SYNCHRONOUS PWM SWI.
The TPS54550 is a medium output current synchronous buck PWM converter with an integrated high-side MOSFET and a gate driver for an low-side external.

Features

* 40 mΩ MOSFET Switch for High Efficiency at 6-A (7.5 Peak) Output Current
* Uses External Lowside MOSFET
* Output Voltage Adjustable Down to 0.891 V With 1% Accuracy
* Synchronizes to External Clock
* 180° Out of Phase Synchronization
* Wide PWM Frequ

Applications

* Industrial and Commercial Low Power Systems
* LCD Monitors and TVs
* Computer Peripherals
* Point of Load Regulation for High-Performance DSPs, FPGAs, ASICs and Microprocessors Simplified Schematic TPS54550 SYNC VIN PWRGD SS/ENA VBIAS BOOT COMP PH LSG VSEN

TPS54550-etcTI.pdf