Details, datasheet, quote on part number: LT3965EFEPBF
PartLT3965EFEPBF
Category
TitleIC LED BYPASS SWITCH 28TSSOP
Description

LTC’s LT3965/LT3965-1 is an LED bypass switching device for dimming individual LEDs in a string using a common current source. The device features eight individually controlled floating source 17 V / 330 mΩ NMOS switches. The eight switches can be connected in parallel and/or in series to bypass current around one or more LEDs in a string. The LT3965 is initialized with all switches off (LEDs on), and the LT3965-1 initialized with all switches on (LEDs off). The LT3965/LT3965-1 uses the I2C serial interface to communicate with the microcontroller. Each of the eight channels can be independently programmed to bypass the LED string in constant on or off, or PWM dimming with or without fade transition. Using the fade option provides 11-bit resolution logarithmic transition between PWM dimming states. The LT3965/LT3965-1 provides an internal clock generator and also supports external clock source for PWM dimming. The device is available in a 28-lead TSSOP package which has a temperature range of -40°C to +125°C (TJ). The LT3965/LT3965-1 is perfect for LED applications found in automobiles, cameras, and displays.



CompanyLinear Technology Corporation
DatasheetDownload LT3965EFEPBF datasheet
  
LT3965EFEPBF photo

Others parts numbering
LT3965IFEPBF
LT3965EFE-1PBF
LT3965IFE-1PBF

 

Features, Applications

The is an eight channel LED bypass switching device with 2 C serial interface, designed for dimming individual LEDs in a string using a common LED driver current source. Each of the eight channels can be independently programmed to bypass the LED string in constant on or off, or PWM dimming with or without fade transition. The LT3965 uses eight individually controlled floating source N-channel 17V/500mA MOSFET switches, enabling it to drive one to four LEDs per channel. 16 LT3965s can be used on the same bus for larger LED arrays.

Features

256:1 PWM Dimming Independent Brightness per SwitchI 2 C Serial Communication 1-4 LEDs per Switch Synchronized Flicker-Free Dimming

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