Datasheet > LQH66SN100M01C

LQH66SN100M01C

更新时间： 2024-09-24 21:54:59

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
10页	521K
描述
High Efficiency Serial LED Driver with 30V Integrated Switch

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LQH66SN100M01C 数据手册

August 2005

FAN5330

High Efﬁciency Serial LED Driver with 30V Integrated

Switch

Features

Description

■ 1.5MHz Switching Frequency

The FAN5330 is an LED driver that features ﬁxed frequency

mode operation and an integrated FET switch. 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

■ 0.7W Output Power Capability

■ Low Shutdown Current: <1µA

■ Cycle-by-Cycle Current Limit

■ Low Feedback Voltage (110mV)

■ Over-Voltage Protection

■ Fixed-Frequency PWM Operation

■ Internal Compensation

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 FAN5330 is available in a 5-lead

SOT23 package.

■ Thermal Shutdown

■ 5-Lead SOT23 Package

Applications

■ Cell Phones

■ PDAs

■ Handheld Equipment

■ Display Bias

■ LED Bias

Typical Application

BAT54

V_OUT

V_IN

6.8µH to 10µH

C_OUT

C_IN

2.2µF

0.47µF

I_LED

SHDN

GND

OFF

Figure 1.Typical Application Diagram

FAN5330 Rev. 1.0.1

www.fairchildsemi.com

12 3 4 5 6 7...10

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