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NCR420U - 150mA LED driver

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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.

1.2.

Overview

NCR420U / NCR421U 150 mA LED driver in SOT457 Rev.

1 — 10 December 2018 Product data sheet 1.

Product profile 1.1.

Key Features

  • 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. Applicati.

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