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L6731BTR Datasheet(PDF) 1 Page - STMicroelectronics |
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L6731BTR Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 24 page  June 2006 Rev 3 1/24 24 L6731B Adjustable step-down controller with synchronous rectification Dedicated to DDR Memory Features ■ Input voltage range from 1.8V to 14V ■ Supply voltage range from 4.5V to 14V ■ Adjustable output voltage down to 0.6V with ±0.8% accuracy over line voltage and temperature (0°C~125°C) ■ Fixed frequency voltage mode control ■ TON lower than 100ns ■ 0% to 100% duty cycle ■ VDDR input sense ■ Regulates VTT and VTTREF within 1% of VDDQ ■ Soft-start and inhibit ■ High current embedded drivers ■ Predictive anti-cross conduction control ■ Programmable high-side and low-side RDS(on) sense over-current-protection ■ Selectable switching frequency 250KHz/ 500KHz ■ Power good output ■ Sink/source capability for ddr memory and termination supply ■ Over voltage protection ■ Thermal shut-down ■ Package: HTSSOP16 Applications ■ High performance / high density DC-DC modules ■ Low voltage distributed DC-DC ■ niPOL converters ■ DDR memory supply ■ DDR termination supply ■ Graphic cards HTSSOP16 (Exposed Pad) www.st.com Order Codes Part number Package Packing L6731B HTSSOP16 Tube L6731BTR HTSSOP16 Tape & Reel |
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