SLF6025-100M1R0 datasheet(1/10 Pages) FAIRCHILD

Part #	SLF6025-100M1R0

Description	High Efficiency Serial LED Driver with 30V Integrated Switch

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

Direct Link	http://www.fairchildsemi.com

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August 2005

FAN5330 Rev. 1.0.1

FAN5330

High Efﬁciency Serial LED Driver with 30V Integrated

Switch

Features

■ 1.5MHz Switching Frequency

■ 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

■ Thermal Shutdown

■ 5-Lead SOT23 Package

Applications

■ Cell Phones

■ PDAs

■ Handheld Equipment

■ Display Bias

■ LED Bias

Description

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.

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.

Typical Application

Figure 1. Typical Application Diagram

SHDN

VIN

VOUT

R

GND

V

IN

FB

SW

CIN

6.8µH to 10µH

1

3

2

4

5

2.2

µF

COUT

L

BAT54

ILED

0.47

µF

ON

OFF

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SLF6025-100M1R0 Datasheet(PDF) 1 Page - Fairchild Semiconductor

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