FP6745CS6C datasheet(1/7 Pages) FITIPOWER

Part #	FP6745CS6C

Description	High-Efficiency, 40V White LED Driver with Dimming Control

PDF	7 Pages

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Manufacturer	FITIPOWER [Fitipower Integrated Technology Inc.]

Direct Link	http://www.fitipower.com/en_US/index.asp

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1

FP6745C-0.1-SEP-2011

FP6745C

85T

fitipower integrated technology lnc.

High-Efficiency, 40V White LED Driver

with Dimming Control

Converter in Tiny Package

Pin Assignments

S6 Package (SOT-23-6)

2

1

3

6

4

5

(Marking)

SW GND FB

EN

VIN NC

Figure 1. Pin Assignment of FP6745C

Ordering Information

SOT-23-6 Marking

Part Number

Product Code

FP6745CS6C

A0A

Description

The FP6745C is a step-up DC/DC converter

specifically designed for driving WLEDs with a

constant current.

The FP6745C can drive up 10

white LEDs in series from a Lithium Lon battery.

Series connection of LEDs provides identical LED

current for uniform brightness and minimizes the

number of traces to the LEDs.

The FP6745C uses

current mode, fixed frequency of approximately

1.3MHz architecture to regulate the LED current

through an external current sense resistor.

The low

feedback voltage of 300mV can minimize power

dissipation.

Other features include current limit protection,

thermal shutdown protection, under-voltage lockout

(UVLO), and over-voltage function, which can shut

off the device if output voltage reaches above 41V.

The FP6745C is available in space saving SOT-23-6

packages.

Features

● Wide Range for PWM Dimming, Ranging from

100Hz to 50kHz

● High Efficiency: 87%

● Drives Up to 10 WLEDs

● Fast 1.3MHz Switching Frequency

● Low 300mV Feedback Voltage

● Over Voltage Protection

● Low Profile SOT-23-6 Packages

● RoHS Compliant

Applications

● Cellular Phones

● Digital Cameras

● LCD Panel Backlights

● GPS Receivers

● PDAs, Handheld Computers

TR: Tape / Reel

Blank: Tube

C: Green

FP6745C

□□□

Package Type

S6: SOT-23-6

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