STMicroelectronics L6725
The device is a low cost pwm controller dedicated for low voltage distributed DC-DC. The input voltage can range from 1.8V to 14V, while the supply voltage can range from 4.5V to 14V.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 0% to 100% duty cycle External input voltage reference 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 Sink current capability Selectable switching frequency 250KHz/ 500KHz Pre-bias start up capability Over voltage protection Thermal shut-down Package: SO16N SO16N (Narrow)
●
●
●
●
●
●
●
●
●
●
●
●
●
APPLICATIONS
●● Low voltage distributed DC-DC Graphic cards Order Codes Part number L6725 L6725TR Package SO16N SO16N Packing Tube Tape & Reel June 2006 Rev 3 1/27 27 Contents L6725 Contents Summary description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.1 Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .