Datasheet Summary
PROGRAMMABLE SYNCHRONOUS DC/DC HYSTERETIC CONTROLLER FOR ADVANCED PROCESSORS
PRELIMINARY
- March 1, 2000
TEL:805-498-2111 FAX:805-498-3804 WEB:http://.semtech.
DESCRIPTION
The SC1154 is a synchronous-buck switch-mode controller designed for use in single ended power supply applications where efficiency is the primary concern. The controller is a hysteretic type, with a user selectable hysteresis. The SC1154 is ideal for implementing DC/DC converters needed to power advanced ® microprocessors such as Pentium ll, in both single and multiple processor configurations. Inhibit, undervoltage lockout and soft-start functions are included for controlled power-up. SC1154 Features...