FP6745 datasheet(1/11 Pages) FITIPOWER

номер детали	FP6745

подробное описание детали	High-Efficiency, 40V White LED Driver with Dimming Control

PDF	11 Pages

Scroll/Zoom	100%

производитель	FITIPOWER [Fitipower Integrated Technology Inc.]

домашняя страница	http://www.fitipower.com/en_US/index.asp

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FP6745-1.4-AUG-2013

FP6745

85T

fitipower integrated technology lnc.

High-Efficiency, 40V White LED Driver

with Dimming Control

Converter in Tiny Package

Pin Assignments

S8 Package (TSOT-23-5)

2

1

3

5

4

SW GND FB

EN

VIN

(Marking)

S9 Package (TSOT-23-6)

2

1

3

6

4

5

(Marking)

SW GND FB

EN

VIN NC

S6 Package (SOT-23-6)

2

1

3

6

4

5

(Marking)

SW GND FB

EN

VIN NC

Figure 1. Pin Assignment of FP6745

Ordering Information

TSOT-23-5 Marking

Part Number

Product Code

FP6745S8G

P4=

TSOT-23-6 Marking

Part Number

Product Code

FP6745S9G

P5=

SOT-23-6 Marking

Part Number

Product Code

FP6745S6C

A8G

Description

The

FP6745

is

a

step-up

DC/DC

converter

specifically designed for driving WLEDs with a

constant current.

The FP6745 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 FP6745 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 195mV 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 FP6745 is available in space saving TSOT-23-5,

TSOT-23-6 and 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 195mV Feedback Voltage



Over Voltage Protection



Low Profile TSOT-23-5 ,TSOT-23-6 and SOT-23-6

Packages



RoHS Compliant

Applications



Cellular Phone



Digital Camera



LCD Panel Backlight



GPS Receiver



PDA, Handheld Computer

TR: Tape / Reel

Blank: Tube

G: Green

C: Green

FP6745

□□□

Package Type

S8: TSOT-23-5

S9: TSOT-23-6

S6: SOT-23-6

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