L6725_07 Datasheet, PDF (1/32 Pages) STMicroelectronics – Voltage mode PWM controller with bootstrap anti-discharging system

L6725
L6725A
Voltage mode PWM controller
with bootstrap anti-discharging system
Features
■ Input voltage range from 1.8V to 18V
■ Supply voltage range from 4.5V to 18V
■ 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
■ Bootstrap anti-discharging system
■ High current embedded drivers
■ Predictive anti-cross conduction control
■ Programmable high-side and low-side R_DS(on)
sense over-current-protection
■ Sink current capability
■ Selectable switching frequency 250KHz/
500KHz
■ Power good and synch available with L6725A
■ Pre-bias start up capability
■ Over voltage protection
■ Thermal shut-down
■ Package: SO16N
SO16N (Narrow)
Applications
■ Low voltage distributed DC-DC
■ Graphic cards
Table 1.
Device summary
Order codes
L6725
L6725TR
L6725A
L6725ATR
June 2007
Package
SO16N
SO16N
SO16N
SO16N
Rev 5
Packing
Tube
Tape & Reel
Tube
Tape & Reel
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