L6732C Datasheet, PDF (1/32 Pages) STMicroelectronics – Soft-start and inhibit

L6732C
Adjustable step-down controller with synchronous rectification
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
t(s) ^{temperature (0°C~125°C)}
■ Fixed frequency voltage mode control
uc _{■ TON lower than 100ns}
rod ^{) ■ 0% to 100% duty cycle}
P _t(s ^{■ External input voltage reference}
te ^{c ■ Soft-start and inhibit}
le du ^{■ High current embedded drivers}
so ^{ro ■ Predictive anti-cross conduction control}
b ^P _{■ Programmable high-side and low-side RDS(on)}
- ^{O te Sense over-current-protection}
) ^{le ■ Selectable switching frequency 250KHz/}
t(s ^{o 500KHz}
c ^{bs ■ Pre-bias start up capability}
u _{O ■ Power good output}
rod ^{) - ■ Master/slave synchronization with 180° phase}
P _t(s ^shift
te ^{c ■ Over voltage protection}
le ^{u ■ Thermal shut-down}
O_O^b_b^s_s^o_olete ^{Prod ■ Package: HTSSOP16}
HTSSOP16 (Exposed Pad)
Applications
■ High performance / high density DC-DC
modules
■ Low voltage distributed DC-DC
■ niPOL converters
■ DDR memory supply
■ Graphic cards
Order Codes
Part number
L6732C
L6732CTR
Package
HTSSOP16
HTSSOP16
Packing
Tube
Tape & Reel
May 2006
Rev 2
1/32
www.st.com
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