Datasheet > NCR321U

NCR321U

更新时间： 2023-09-03 20:27:02

品牌	Logo	应用领域
安世 - NEXPERIA		/
页数	文件大小	规格书
17页	415K
描述
250 mA LED driver in SOT457Production

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NCR321U 数据手册

NCR320U / NCR321U

250 mA LED driver in SOT457

Rev. 1 — 11 December 2018

Product data sheet

1. Product profile

1.1. General description

LED driver consisting of a 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

NCR320U

NCR321U

SC-74; TSOP6

1.2. Features and benefits

•

Stabilized output current of 10 mA without external resistor

Stabilized output current adjustable up to 250 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 16 V

Digital PWM input up to 10 kHz frequency for NCR321U

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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