Datasheet > TD8203

TD8203

更新时间： 2024-01-30 14:39:06

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数据手册

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TD8203 数据手册

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DATASHEET

T^echcode®

White LED Step-up Converter

TD8203

汪工 TEL:13828719410 QQ:1929794238

General Description

Features

The TD8203 is a current‐mode and fixed frequency boost

converter with an integrated N‐FET to drive white LEDs.

The series connection allows the LED current to be

identical for uniform brightness. Its low on‐resistance of

NFET and low feedback voltage reduce power loss and

achieve high efficiency. Fast switching frequency(1.5MHz

typical) allows using small‐size inductor and both of input

and output capacitors. An over voltage protection

function,which monitors the output voltage via OVP pin,

stops switching of the IC if the OVP voltage exceeds the

over voltage threshold. An internal soft‐start circuit

eliminates the inrush current during start‐up.

Wide Input Voltage from 2.7V to 6V

Fixed 1.5MHz Switching Frequency

Reference Voltage : 0.2V

PWM Brightness Control with Wide Frequency

Range of 100Hz to 100kHz

Build‐In Power MOSFET : 0.2W

Open‐LED Protection

Under‐Voltage Lockout Protection

Over‐Temperature Protection

<1mA Quiescent Current during Shutdown

TSOT‐23‐6A

Halogen and Lead Free Available

RoHS Compliant

The TD8203 also integrates under‐voltage lockout,

overtemperature protection, and current limit circuits to

protect the IC in abnormal conditions. The TD8203 is

available in a TSOT‐23‐6A

Applications

White LED Display Backlighting

Cell Phone and Smart Phone

PDA, PMP, MP3

Digital Camera

December, 20, 2011

Techcode Semiconductor Limited

www.techcodesemi.com

12 3 4 5 6 7...14

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