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IS32LT3147 - 6-CHANNEL LINEAR LED DRIVER

Datasheet Summary

Description

The IS32LT3147 is a six-channel linear LED driver supporting a thermal shunt resistor for power dissipation to minimize the device thermal stress.

Each channel has its own individual PWM control input.

Features

  • Wide input voltage range: 5V~40V.
  • Thermal shunt resistor to optimize the device thermal stress.
  • 6-CH current source driver.
  • Parallel outputs for higher current using multiple channels of a single IC or multiple ICs.
  • Individual PWM dimming to each channel.
  • Adjustable constant output current set by reference resistor - Max. current: 75mA per channel - Max. current: 450mA in Parallel Operation.
  • Low headroom voltage - Max. headroom: 500.

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Datasheet Details

Part number IS32LT3147
Manufacturer Lumissil
File Size 973.08 KB
Description 6-CHANNEL LINEAR LED DRIVER
Datasheet download datasheet IS32LT3147 Datasheet
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IS32LT3147 SIX-CHANNEL LINEAR LED DRIVER WITH THERMAL SHUNT AND INDIVIDUAL PWM DIMMING May 2024 GENERAL DESCRIPTION The IS32LT3147 is a six-channel linear LED driver supporting a thermal shunt resistor for power dissipation to minimize the device thermal stress. Each channel has its own individual PWM control input. For added system reliability, the IS32LT3147 integrates fault detection circuitry for LED open/short circuit, single LED short circuit, thermal roll-off and thermal shutdown conditions. The FAULTB is a bi-directional open drain pin for reporting fault conditions and receiving system fault signal inputs. The FMODE pin configures the type of response to a fault signal, either “One Fail Other On” or “One Fail All Fail”.
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