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NCR421Z - 150mA LED driver

Download the NCR421Z datasheet PDF. This datasheet also covers the NCR420Z variant, as both devices belong to the same 150ma led driver family and are provided as variant models within a single manufacturer datasheet.

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Note: The manufacturer provides a single datasheet file (NCR420Z-nexperia.pdf) that lists specifications for multiple related part numbers.

General Description

LED driver consisting of resistor-equipped NPN transistor with two diodes on one chip in a medium power SOT223 (SC73) plastic package.

Table 1.

1.2.

Overview

NCR420Z / NCR421Z 150 mA LED driver in SOT223 Rev.

1 — 4 February 2019 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 1250 mW.
  • Supply voltage up to 40 V.
  • Digital PWM input up to 10 kHz frequency for NCR421Z.
  • AEC-Q101 qualified 1.3. Applicat.

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