Datasheet > NJW4600V

NJW4600V

更新时间： 2024-01-24 15:43:32

品牌	Logo	应用领域
NJRC		驱动器
页数	文件大小	规格书
2页	185K
描述
White LED Driver for Backlight

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NJW4600V 数据手册

White LED Driver for Backlight

NJW4600

■ GENERAL DESCRIPTION

■ PACKAGE OUTLINE

The NJW4600 is a high efficiency multiple strings white

LED driver for back light.This device is composed with

4channel constant current drivers and step up switching

regulator, and can drive up to 32pcs. LED.

Each constant current driver is able to supply maximum

of 120mA per channel, and the driver interval is

performed by highly precise current control of ±2% typ.

The NJW4600 can control luminance up to 100 : 4 by

PWM signal input, and also features selectable switching

frequency of 800kHz or 1MHz.

NJW4600V

NJW4600KT1

■ FEATURE

▪ Constant Current Driver : 10mA ~ 120mA

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

: 800kHz / 1MHz

The NJW4600 operates over a wide supply voltage

range from 6V to 35V, and operating temperature is up to

105ºC. This very wide operating temperature range

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 Protection

▪ Built in Over Current Protection

▪ Built in Thermal Shutdown Protection

▪ Package

: NJW4600V

SSOP-32

NJW4600KT1 QFN-24

Ver.2010/09/03ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ ꢀꢀꢀꢀꢀꢀꢀꢀꢀ1

中文翻译

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