G5193

Global Mixed-mode Technology G5193 High Efficiency, 3A Output, Synchronous Step Down Features „ Two 45mΩ (typical) MOSFETs for high efficiency at 3A loads „ 300kHz to 2MHz Switching Frequency „ 0.827V±1% Voltage Reference Over Tempera- ture „ Synchronizes to External Clock „ Adjustable Soft Start „ UV and OV Power Good Output „ Low Operating and Shutdown Quiescent Cur- rent „ Safe Start-up into Pre-Biased Output „ Cycle by Cycle Current Limit, Thermal and Frequency Fold Back Protection „ Thermally Enhanced 3mm × 3mm 16-pin QFN Applications „ Low-Voltage, High-Density Power Systems „ Point of Load Regulation for High Performance DSPs, FPGAs, ASICs and Microprocessors „ Broadband, Networking and Optical Commu- nication Infrastructure Ordering Information ORDER NUMBER Marking G5193R41U 5193 G5193R41D 5193 Note: R4: TQFN3X3-16 1: Bonding Code U & D: Tape & Reel Pin Configuration TEMP. RANGE -40°C to +85°C -40°C to +85°C PACKAGE (Green) TQFN3X3-16 TQFN3X3-16 General Description The G5193 device is a full featured 5.5V, 3A synchronous step down current mode converter with two integrated MOSFETs. The G5193 enables small designs by integrating the MOSFETs, implementing current mode control to reduce external component count, reducing inductor size by enabling up to 2MHz switching frequency, and minimizing the IC footprint with a small 3mm x 3mm thermally enhanced QFN package. The G5193 provides accurate regulation for a variety of loads with an accurate ±1% Voltage R...