FP6329ASOGTR datasheet(1/16 Pages) FITIPOWER

部件名	FP6329ASOGTR

功能描述	Synchronous Buck PWM DC-DC Controller

PDF	16 Pages

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制造商	FITIPOWER [Fitipower Integrated Technology Inc.]

网页	http://www.fitipower.com/en_US/index.asp

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FP6329/A/B-1.0-APR-2010

FP6329/A

85T

fitipower integrated technology lnc.

Synchronous Buck PWM

DC-DC Controller

LINEAR REGULATOR

Pin Assignment

SO Package (SOP-8)

GND

UGATE

BOOT

LGATE/OCSET

PHASE

VCC

FB

COMP/SD

4

6

5

7

8

2

3

1

SP Package (SOP-8<Exposed Pad>)

GND

UGATE

BOOT

LGATE/OCSET

PHASE

VCC

FB

COMP/SD

4

6

5

7

8

2

3

1

GND

Figure 1. Pin Assignment of FP6329/A

Ordering Information

Description

The FP6329/A is designed to drive two N-channel

MOSFETs in a synchronous rectified buck topology.

It provides the output adjustment, internal soft-start,

frequency compensation networks, monitoring and

protection functions into a single package.

The

FP6329/A operating

at

fixed

300/600kHz

frequency provide simple, single feedback loop,

voltage mode control with fast transient response.

The resulting PWM duty ratio ranges from 0-100%.

The FP6329/A features over current protection.

The output current is monitored by sensing the

voltage drop across the RDS-ON of the low side

MOSFET which eliminates the need for a current

sensing resistor.

This device is available in SOP-8 package.

Features

● Operates from +5V or +12V

● High Output Current

● Drives Two Low Cost N-Channel MOSFETs

● Fast Transient Response

● Simple Single-Loop Control Design

( Voltage-Mode PWM Control)

● Internal Soft-Start

● Over-Current Protection

● Over-Voltage Protection

● Under-Voltage Protection

● SOP-8 Package

● RoHS Compliant

Applications

● Motherboard

● Graphic Card

● Telecomm Equipments

● High Power DC-DC Regulators

● Switching Power Supply (SPS)

G: Green

TR: Tape / Reel

FP6329

□□□□

Package Type

SO: SOP-8

SP: SOP-8(Exposed Pad)

Switching Frequency

Blank: 300 kHz

A: 600 kHz

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