US3012A - UNISEM

US3012A 5 BIT PROGRAMMABLE SYNCHRONOUS BUCK CONTROLLER IC

Dual Layout Compatible with RC5051 Designed to meet Intel specification of VRM8.2 & VRM8.3 for Pentium II™ On board DAC programs the output voltage from 1.3V to 3.5V (US3010) & 1.8V to 3.5V for US3010A Loss less Short Circuit Protection Synchronous operation allows maximum efficiency Patented architecture allows fixed frequency operation as well as 100% dut.

Features

CONTROLLER IC PRELIMINARY DATASHEET DESCRIPTION Dual Layout Compatible with RC5051 Designed to meet Intel specification of VRM8.2 & VRM8.3 for Pentium II™ On board DAC programs the output voltage from 1.3V to 3.5V (US3010) & 1.8V to 3.5V for US3010A Loss less Short Circuit Protection Synchronous operation allows maximum efficiency Patented architecture allows fixed frequency operation as well as 100% duty cycle during dynamic load Soft Start High current totem pole driver for direct driving of the external Power MOSFET Power Good function APPLICATIONS Pentium II & Pentium Pro™ processor DC t.