FAN5333BSX

更新时间： 2024-02-28 15:21:09

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		驱动器开关
页数	文件大小	规格书
11页	539K
描述
High Efficiency, High Current Serial LED Driver with 30V Integrated Switch

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中文翻译

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数据手册
替代型号

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FAN5333BSX 数据手册

August 2005

FAN5333A/FAN5333B

High Efﬁciency, High Current Serial LED Driver with 30V

Integrated Switch

Features

Description

■ 1.5MHz Switching Frequency

The FAN5333A/FAN5333B is a general purpose LED driver that

features ﬁxed frequency mode operation and an integrated FET

switch. The device’s high output power makes it suitable to drive

ﬂash LEDs in serial connections. This device is designed to

operate at high switching frequencies in order to minimize

switching noise measured at the battery terminal of hand-held

communications equipment. Quiescent current in both normal

and shutdown mode is designed to be minimal in order to

extend battery life. Normal or shutdown mode can be selected

by a logic level shutdown circuitry.

■ Low Noise

■ Adjustable Output Voltage

■ Up to 1.5A Peak Switch Current

■ 1.5W Output Power Capability

■ Low Shutdown Current: <1µA

■ Cycle-by-Cycle Current Limit

■ Low Feedback Voltage

■ Over-Voltage Protection

The low ON-resistance of the internal N-channel switch ensures

high efﬁciency and low power dissipation. A cycle-by-cycle cur-

rent limit circuit keeps the peak current of the switch below a

typical value of 1.5A. The FAN5333A/FAN5333B is available in

a 5-lead SOT23 package.

■ Fixed-Frequency PWM Operation

■ Internal Compensation

■ FAN5333A has 110mV Feedback Voltage

■ FAN5333B has 315mV Feedback Voltage

■ Thermal Shutdown

■ 5-Lead SOT23 Package

Applications

■ Cell Phones

■ PDAs

■ Handheld Equipment

■ Display Bias

■ LED Bias

■ Flash LED

Typical Application

BAT54

V_OUT

V_IN

C_IN

6.8µH to 10µH

C_OUT

4.7µF

10µF

0.1µF

2.2µF

I_LED

I_LED1

I_LED2

V_IN

SHDN

GND

OFF

Figure 1.Typical Application Diagram

FAN5333A/FAN5333B Rev. 1.0.1

www.fairchildsemi.com

12 3 4 5 6 7...11

中文翻译

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FAN5333BSX 替代型号

型号	品牌	替代类型	描述	数据表
FAN5330SX	FAIRCHILD	完全替代	LED Driver, PDSO5, SOT-23, 5 PIN
LM3410XMFX/NOPB	TI	功能相似	具有内部补偿的 525kHz/1.6MHz、恒流升压和 SEPIC LED 驱动器 \| D
LM3410YMFE/NOPB	TI	功能相似	525kHz/1.6MHz, constant current boost and SEPIC LED driver with internal compensation 5-SO

与FAN5333BSX相关器件

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FAN5336	FAIRCHILD	获取价格	1.5MHz Boost Regulator with 33V Integrated FET Switch
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FAN5336MPX	FAIRCHILD	获取价格	1.5MHz Boost Regulator with 33V Integrated FET Switch
FAN5336UMPX	FAIRCHILD	获取价格	1.5MHz Boost Regulator with 33V Integrated FET Switch
FAN5340	FAIRCHILD	获取价格	Synchronous Constant-Current Series Boost LED Driver with PWM Brightness Control and Integ
FAN5340MPX	FAIRCHILD	获取价格	Synchronous Constant-Current Series Boost LED Driver with PWM Brightness Control and Integ
FAN5340MTC	FAIRCHILD	获取价格	Switching Regulator/Controller, Voltage-mode, BIPolar, PDSO20
FAN5340MTC	ROCHESTER	获取价格	Switching Regulator
FAN5340MTCX	ROCHESTER	获取价格	Switching Regulator
FAN5340UCX	FAIRCHILD	获取价格	Synchronous Constant-Current Series Boost LED Driver with PWM Brightness Control and Integ

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