Datasheet > NJU6043-TE2

NJU6043-TE2

更新时间： 2024-11-26 05:46:59

品牌	Logo	应用领域
NJRC		/
页数	文件大小	规格书
10页	570K
描述
Interface Circuit,

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中文翻译

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技术参数
数据手册

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NJU6043-TE2 技术参数

生命周期：	Active	Reach Compliance Code：	compliant
风险等级：	5.68	Base Number Matches：	1

NJU6043-TE2 数据手册

Preliminary

NJU6043

PWM WHITE LED DRIVER

ꢀ General Description

ꢀ Package

The NJU6043 is a high efficiency white LED driver with low

input voltage. It is a PWM type DC/DC converter.

The typical output current is 20 mA. Because the switching

frequency is about 1 MHz, so tiny parts such as inductor and

capacitor can be used to save space.

The NJU6043 is suitable for portable electronic applications

such as cell phone, digital still camera, or PDA etc..

ꢀ Features

ꢀ Pin Configuration

ꢁ

Drive up to 5 white LEDs in series

I_OUT= 20mA

High Efficiency 87%

ꢁ

Over Voltage Protection Circuit(OVP)19.5V

Shut-down circuit

V_SS

V_DD

OVP

SHNb

Switching Frequency

1MHz (PWM)

Under-voltage lockout circuit (UVLO)

Low profile inductor and capacitor

Operation Voltage

Package

V_DD= 2.5 ~ 5.5V

SOT-23 6pin (MTP-6)

CMOS

ꢀ Block Diagram

4.7µH

V_OUT

V_IN

V_DD

OVP

1µF/25V

4.7µF/6.3V

Bias

Boost

SHNb

Control

Shut down

PWM input

V_REF

R_LED

I_LED

OSC

1MHz

12Ω

0.25V

V_SS

Ver.2006-06-27

- 1 -

12 3 4 5 6 7...10

中文翻译

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