Datasheet > NJW4603KT1

NJW4603KT1

更新时间： 2024-02-18 21:41:26

品牌	Logo	应用领域
NJRC		驱动器
页数	文件大小	规格书
2页	184K
描述
White LED Driver for Backlight

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NJW4603KT1 数据手册

White LED Driver for Backlight

NJW4603

■ GENERAL DESCRIPTION

■ PACKAGE OUTLINE

The NJW4603 is a high efficiency multiple strings white

LED driver for back light. This device is composed with

3 channel constant current drivers and step up switching

regulator, and can drive up to 24pcs. LED.

Each constant current driver is able to supply maximum

of 80mA per channel, and the driver interval is

performed by high precision current control of ±2% typ.

The NJW4603 can control luminance up to 100 : 4 by

PWM signal input, and also features adjustable switching

frequency of 100kHz to 1MHz.

NJW4603V

NJW4603KT1

■ FEATURES

▪ Constant Current Driver : 10mA ~ 80mA

When abnormal LED lighting occurs, the FAULT

terminal sends out signals notifying the abnormality to

the control departments, such as CPU.

▪ LED Current Control

▪ Operating Voltage

▪ Switching Frequency

: ±2% ( typ. )

: 6V ~ 35V

: 100kHz to 1MHz

The NJW4603 operates over a wide supply voltage

range from 6V to 35V makes the IC ideal for medium

sized LCD backlights, such as car navigations, note PC,

and applications for amusement device.

▪ LED Open / Short Protection

▪ FAULT Signal Output

▪ Luminance Control with PWM

▪ Internal Soft Start

▪ Under Voltage Lock Out Circuit ( UVLO )

▪ Built in Over Voltage / Over Current Protection

▪ Built in Thermal Shutdown Protection

▪ Package

: NJW4603V

SSOP-32

NJW4603KT1 QFN-24

Ver.2010/09/03ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ ꢀꢀꢀꢀꢀꢀꢀꢀꢀ1

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