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TSCR421CX6H - Linear Constant Current Regulated LED Driver

Download the TSCR421CX6H datasheet PDF. This datasheet also covers the TSCR420CX6H variant, as both devices belong to the same linear constant current regulated led driver family and are provided as variant models within a single manufacturer datasheet.

General Description

The TSCR420 & TSCR421 are Low-Side Constant Current Regulator (CCR) for linear LED driving.

The device regulates with a preset 10mA nominal that can be adjusted with an external resistor up to 300mA.

Key Features

  • AEC-Q100 qualified with the following results: - Device temperature grade 1: -40°C to 125°C - Device HBM ESD classifica.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (TSCR420CX6H-TaiwanSemiconductor.pdf) that lists specifications for multiple related part numbers.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
TSCR420CX6H / TSCR421CX6H Taiwan Semiconductor Linear Constant Current Regulated LED Driver DESCRIPTION The TSCR420 & TSCR421 are Low-Side Constant Current Regulator (CCR) for linear LED driving. The device regulates with a preset 10mA nominal that can be adjusted with an external resistor up to 300mA. It is designed for driving LEDs in strings and will reduce current at increasing temperatures to self-protect. Operating as a series linear CCR for LED string current control, it can be used in multiple applications, as long as the maximum supply voltage to the device is <40V. With the low-side control, the TSCR421 has an Enable (EN) pin which can be pulse-width modulated (PWM) up to 10kHz by a microcontroller for LED dimming.