FAN5038 Datasheet

IC型號：
FAN5038
PDF描述：
Dual Voltage Controller for DSP Power
文件大?。?/label>
86.19KB
PDF頁數(shù)：
15頁
芯片廠家：
FAIRCHILD

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FAN5038

Dual Voltage Controller for DSP Power

Features

鈥?Provides complete, low-cost core and I/O power in single

chip

鈥?I/O power sequencing

鈥?Core voltage adjustable from 1.5V to 3.6V

鈥?Independent adjustable current limits

鈥?Core up to 13A, I/O up to 5A

鈥?Precision trimmed low TC voltage reference

鈥?Constant On-Time oscillator

鈥?Small footprint 16 lead SOIC package

Description

The FAN5038 provides a complete low-cost power system

for DSPs and other loads requiring high-performance. The

FAN5038 combines an adjustable switch-mode DC-DC

converter for core power with a low-dropout linear regulator

for I/O power in a space-saving SO-16 package. Simple

external circuitry provides power sequencing and indepen-

dent current limits. An internal precision voltage reference

allows the switcher to be adjusted from 1.5V to 3.6V. With

the appropriate external components, the FAN5038 can

deliver core power up to 13A, and I/O power up to 5A,

allowing multiple DSPs to be powered with a single device.

Applications

鈥?High ef鏗乧iency low-cost power for DSPs

鈥?Power for ASICs and FPGAs

鈥?Programmable dual power supply for high current loads

Block Diagram

+12V

+5V

Switching

Regulator

Switcher

Select

Oscillator

Feedback

Control

Digital

Logic

Core

Linear

Enable

Linear Regulator

1.5V

Reference

鈥?/div>

I/O

FAN5038

REV. 1.0.2 7/6/00

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