KTD2536 Step-Up LED Driver with PWM Control

Step-Up LED Driver with PWM Control

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  • Wide output range: up to 10 series LEDs
  • Integrated 40V high current switch (800mA limit)
  • High efficiency PWM converter (up to 90%)
  • Low 200mV feedback voltage
  • High accuracy across full load range
  • VIN range: 2.7V to 5.5V
  • LED open-circuit (OVP) protection
    • KTD2536: 36V
    • KTD2536B: 24V
    • KTD2536C: 19V
  • High switching frequency
    • KTD2536: 900kHz
    • KTD2536B/C: 1.1MHz
  • PWM dimming frequency: 100Hz to 200kHz
  • Simple, small solution size
  • Integrated Soft-start
  • Shutdown Current less than 1µA
  • Small TSOT23-6 Package
  • RoHS and Green compliant
  • -40˚C to +85˚C Temperature Range


  • LED backlighting
  • Mobile Phones
  • Handheld Devices
  • Digital Photo Frames
  • Automotive Navigation

Key Electrical Specifications

Vin(Min) Vin(Max) Maximum # of LED  Channel  Channels Control Type Package
2.7V 5.5V 10 1 PWM  TSOT23-6

Typical Application Diagram



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