Datasheet > NCR421U

NCR421U

更新时间： 2023-09-03 20:31:16

品牌	Logo	应用领域
安世 - NEXPERIA		/
页数	文件大小	规格书
17页	382K
描述
150 mA LED driver in SOT457Production

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NCR421U 数据手册

NCR420U / NCR421U

150 mA LED driver in SOT457

Rev. 1 — 10 December 2018

Product data sheet

1. Product profile

1.1. General description

LED driver consisting of resistor-equipped NPN transistor with two diodes on one chip in an

SOT457 (SC-74; TSOP6) plastic package.

Table 1. Product overview

Type number

Package

Nexperia

SOT457

JEITA

NCR420U

NCR421U

SC-74; TSOP6

1.2. Features and benefits

•

Stabilized output current of 10 mA without external resistor

Stabilized output current adjustable up to 150 mA when an external resistor is used

High current accuracy at supply voltage variation

Low voltage overhead of 1.4 V

Reduces component count and board space

High power dissipation of 750 mW

Supply voltage up to 40 V

Digital PWM input up to 10 kHz frequency for NCR421U

AEC-Q101 qualified

1.3. Applications

•

Constant current LED driver

Generic constant current source

Automotive applications (for example: interior lighting, dash board, instrumentation, number

plate light)

•

Increase stabilized output current by paralleling drivers

12 3 4 5 6 7...17

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