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 Ltc3783efe-Pwm-LED-Driver
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Ltc3783efe Pwm LED Driver



Order Code:

82-0936

Qtyex VAT
1+£2.10
ROHS Compliant

In stock, despatched same day

Manufacturer: Linear Technology
Manufacturer Part No: LTC3783EFE#PBF
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Key Features

Data Sheets

PWM LED Driver and Boost Flyback and SEPIC Controller, 3V to 36V Supply Voltage, 350mA LED Current, 1 LED, 1MHz Switching Frequency, -40°C to +85°C, 16-TSSOP Case, The LTC3783 is a Current Mode LED Driver and Boost, Flyback and SEPIC Controller that Drives both an N-channel Power MOSFET and an N-channel load PWM Switch, True Colour PWM Delivers Constant Colour with 3000:1 Dimming Ratio, Fully Integrated Load FET Driver for PWM Dimming Control of High Power LEDs, Constant Current or Constant Voltage Regulation, Programmable Output Overvoltage Protection, Programmable Soft-Start, Typical Applications includes High Voltage LED Arrays, Telecom Power Supplies, 42V Automotive Systems, 24V Industrial Controls, IP Phone Power Supplies
  • Constant current or constant voltage regulation
  • True colour PWM for 3000:1 dimming ratio with no colour shift
  • Fully integrated load driver for dimming control of high power LEDs
  • Analogue input 100:1 dimming
  • Wide feedback voltage range
  • Low shutdown current
  • Programmable operating frequency via one external resistor
  • Synchronisable to an external clock
  • Internal 7V low dropout voltage regulator
  • Programmable output overvoltage protection
  • Programmable soft-start
  • Supplied in a TSSOP-16 package

Technical Specification

Technical Specification


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Input voltage range3 to 36V
Input voltage supply current (continuous mode)1.5mA
Reference voltage typ.1.23V
Feedback voltage range0V to 1.23V
Oscillator frequency range20kHz to 1MHz
Duty cycle max.97%
Gate driver peak current sourcing (VGATE=0V)0.5A
Gate driver peak current sinking (VGATE=7V)1A
PWMOUT driver peak current sourcing (VPWMOUT=0V)0.25A
PWMOUT driver peak current sinking (VPWMOUT=7V)0.5A
Operating temperature–40°C to +85°C
Storage temperature–65°C to +150°C

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