Datasheet > FAN5182_07

FAN5182_07

更新时间： 2024-09-25 04:18:07

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		控制器
页数	文件大小	规格书
19页	479K
描述
Adjustable Output, 1-, 2-, or 3-Phase Synchronous Buck Controller

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FAN5182_07 数据手册

March 2007

FAN5182 — Adjustable Output, 1-, 2-, or 3-Phase

Synchronous Buck Controller

Features

Description

The FAN5182 is

highly efficient, multiphase,

Selectable 1-, 2-, or 3-Phase Operation at up to

1MHz per Phase

synchronous buck switching regulator controller

optimized for converting a 12V main supply into a high-

current, low-voltage supply for use in point-of-load (POL)

applications. It uses a multi-loop PWM architecture to

Accuracy:

FAN5182

drive the logic-level outputs at

a programmable

FAN5182_NA3E229

FAN5182_NA3E231

switching frequency that can be optimized for regulator

size and efficiency. The phase relationship of the output

signals can be programmed to provide 1-, 2-, or 3-phase

operation, allowing for construction of up to three

complementary, interleaved buck switching stages.

Externally Adjustable 0.8V to 5V Output from a

12V Supply

Logic-Level PWM Outputs for Interface to External

High-Power Drivers

The FAN5182 provides accurate and reliable over-

current protection and adjustable current limiting.

Active Current Balancing Between all Phases

Built-in Power-Good / Crowbar Functions

The FAN5182 is specified over the commercial

temperature range of 0°C to +85°C and is available in a

20-lead Quarter-Size Outline Package (QSOP).

Programmable Over-Current Protection with

Adjustable Latch-Off Delay

Applications

Auxiliary Supplies

DDR Memory Supplies

Point-of-Load Supplies

Ordering Information

Part Number

Temperature

Range

Pb-

Free

Package

Packing

Method

Quantity

per Reel

FAN5182QSCX_NL

0°C to 85°C

Yes

QSOP-20L

Tape and Reel

2500

FAN5182QSCX_NA3E229_NL

FAN5182QSCX_NA3E231_NL

FAN5182 Rev. 1.1.1

www.fairchildsemi.com

12 3 4 5 6 7...19

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