FAN5090 Datasheet Two Phase Interleaved Synchronous Buck Converter

Manufacturer: Fairchild (now onsemi)

Overview: www.fairchildsemi.com FAN5090 Two Phase Interleaved Synchronous Buck Converter for VRM 9.

FAN5090 two phase interleaved synchronous buck converter by Fairchild (now onsemi) - Datasheet Preview

Datasheet Details

Part number	FAN5090
Manufacturer	Fairchild (now onsemi)
File Size	183.40 KB
Description	Two Phase Interleaved Synchronous Buck Converter
Download	FAN5090 Download (PDF)

General Description

The FAN5090 is a synchronous two-phase DC-DC controller IC which provides a highly accurate, programmable output voltage for VRM 9.x processors.

Two interleaved synchronous buck regulator phases with built-in current sharing operate 180° out of phase to provide the fast transient response needed to satisfy high current applications while minimizing external components.

The FAN5090

Key Features

Programmable output from 1.10V to 1.85V in 25mV steps using an integrated 5-bit DAC.
Two interleaved synchronous phases for maximum performance.
100nsec transient response time.
Built-in current sharing between phases.
Remote sense.
Programmable Active Droop (Voltage Positioning).
Programmable switching frequency from 100KHz to 300KHz per phase.
Adaptive delay gate switching.
Integrated high-current gate drivers.

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