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NCR321U - 250mA LED driver

Download the NCR321U datasheet PDF. This datasheet also covers the NCR320U variant, as both devices belong to the same 250ma led driver family and are provided as variant models within a single manufacturer datasheet.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (NCR320U-nexperia.pdf) that lists specifications for multiple related part numbers.

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.

Overview

NCR320U / NCR321U 250 mA LED driver in SOT457 Rev.

1 — 11 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 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. Applicati.

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