FAN5071 Datasheet High Performance Programmable Synchronous DC-DC Controller

Manufacturer: Fairchild (now onsemi)

Overview: www.fairchildsemi.com FAN5071 High Performance Programmable Synchronous DC-DC Controller for Multi-Voltage.

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FAN5071 high performance programmable synchronous dc-dc controller by Fairchild (now onsemi) - Datasheet Preview

Datasheet Details

Part number	FAN5071
Manufacturer	Fairchild (now onsemi)
File Size	424.93 KB
Description	High Performance Programmable Synchronous DC-DC Controller
Download	FAN5071 Download (PDF)

General Description

The FAN5071 is a synchronous mode DC-DC controller IC which provides a highly accurate, programmable set of output voltages for multi-voltage platforms such as the Intel Pentium III, and provides a complete solution for all Intel VRM8.5 CPU applications, and for other high-performance processors.

The FAN5071

Key Features

Output programmable in 25mV steps from 1.05V to 1.825V using a dynamically programmable integrated 5-bit DAC.
Controls adjustable linears for Vclock (2.5V), Vnorthbridge (1.8V) or Vagp (selectable 1.5V/3.3V), and Vadj (1.2V nominal).
Remote sense.
Programmable Active Droop™ up to 200mV.
Drives N-Channel MOSFETs.
Overcurrent protection using MOSFET sensing.
Overvoltage protection including startup.
85% efﬁciency typical at f.

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