FAN5037M

更新时间： 2024-01-19 12:59:59

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		稳压器开关式稳压器或控制器模拟IC 电源电路开关式控制器光电二极管栅极驱动
页数	文件大小	规格书
11页	103K
描述
Analog IC

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技术参数
数据手册

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FAN5037M 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
包装说明：	SOP, SOP8,.25	Reach Compliance Code：	unknown
风险等级：	5.81	控制模式：	CURRENT-MODE
JESD-30 代码：	R-PDSO-G8	JESD-609代码：	e3
湿度敏感等级：	1	端子数量：	8
最高工作温度：	70 °C	最低工作温度：
封装主体材料：	PLASTIC/EPOXY	封装代码：	SOP
封装等效代码：	SOP8,.25	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	认证状态：	Not Qualified
子类别：	Switching Regulator or Controllers	表面贴装：	YES
温度等级：	COMMERCIAL	端子面层：	Matte Tin (Sn)
端子形式：	GULL WING	端子节距：	1.27 mm
端子位置：	DUAL	Base Number Matches：	1

FAN5037M 数据手册

www.fairchildsemi.com

FAN5 0 3 7

Ad ju s t a b le S w it c h in g Re g u la t o r Co n t ro lle r

Features

Description

• High power switch-mode DC-DC controller can provide

in excess of 13A

• Output voltage adjustable from 1.2V to 3.6V

• 85% efﬁciency

• Cumulative accuracy < 3% over line, load, and

temperature variations

• Overvoltage and short circuit protection

• Built-in soft start

The FAN5037 is a high power, switch-mode DC-DC control-

ler that provides efﬁcient power for all low-voltage applica-

tions. This controller has a built-in Soft Start feature which

offers system protection during power-up by reducing both

inrush current and output overshoot. When combined with

the appropriate external circuitry, the FAN5037 can deliver

load currents as high as 13A at efﬁciencies as high as 88%.

The FAN5037 can generate output voltages from 1.2V up to

3.6V using external resistors.

• No overshoot at turn-on

The FAN5037 is designed to operate in a constant on-time

control mode under all load conditions. Its accurate low TC

reference eliminates the need for precision external compo-

nents in order to achieve the tight tolerance voltage regula-

tion required by many applications. Short circuit current

protection is provided through the use of a current sense

resistor, while overvoltage protection is provided internally.

Applications

• I/O and AGP power for desktop computers

• High efﬁciency power for ASICs

• High efﬁciency power for DSPs

• Adjustable step-down power supplies

Block Diagram

+12V

+5V

VCCA 2

FAN5037

IFBL 4

IFBH 3

Feedback Control

VCCP 8

CEXT

Oscillator

Digital Logic

DRV

Vout

1.20V

Reference

VFB 5

GNDP 6

REV. 1.0.3 9/26/01

12 3 4 5 6 7...11

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