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IS31FL3235 Datasheet 28 CHANNELS LED DRIVER

Manufacturer: ISSI (now Infineon)

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General Description

IS31FL3235 is comprised of 28 constant current channels each with independent PWM control, designed for driving LEDs.

The output current of each channel can be set at up to 38mA (Max.) by an external resistor and independently scaled by a factor of 1, 1/2, 1/3 and 1/4.

The average LED current of each channel can be changed in 256 steps by changing the PWM duty cycle through an I2C interface.

Overview

IS31FL3235 28 CHANNELS LED DRIVER March 2016 GENERAL.

Key Features

  • 2.7V to 5.5V supply.
  • I2C interface, automatic address increment function.
  • Internal reset register.
  • Modulate LED brightness with 256 steps PWM.
  • Each channel can be controlled independently.
  • Each channel can be scaled independently by 1, 1/2, 1/3 and 1/4.
  • ESD HBM 8kV.
  • -40°C to +85°C temperature range.
  • QFN-36 (4mm × 4mm) package.

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