L6732_08 Datasheet, PDF (1/37 Pages) STMicroelectronics – Adjustable step-down controller with synchronous rectification

L6732
Adjustable step-down controller with synchronous rectification
Features
■ Input voltage range from 1.8 V to 14 V
■ Supply voltage range from 4.5 V to 14 V
■ Adjustable output voltage down to 0.6 V
with ± 0.8 % accuracy over line voltage and
temperature (0 °C~125 °C)
■ Fixed frequency voltage mode control
■ T_ON lower than 100 ns
■ 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 R_DS(on)
sense over-current-protection
■ Selectable switching frequency
250 kHz / 500 kHz
■ Pre-bias start up capability
■ Power good output
■ Master/slave synchronization with 180° phase
shift
■ Over voltage protection
■ Thermal shutdown
■ Package: HTSSOP16
HTSSOP16 (exposed pad)
Applications
■ LCD and PDP TV
■ High performance / high density DC-DC
modules
■ Low voltage distributed DC-DC
■ niPoL converters
■ DDR memory supply
■ Graphic cards
Table 1.
Device summary
Order codes
L6732
L6732TR
Package
HTSSOP16
HTSSOP16
Packing
Tube
Tape and reel
June 2008
Rev 6
1/37
www.st.com
37