Linear Technology LTC3783 PWM LED Driver Boost Flyback SEPIC Controller Handbook

The document introduces the features of the LTC3783 LED driver and boost, flyback and SEPIC controller.

Brand: Linear Technology
Category: Other Electronics
Document type: Datasheet
Language: English
Pages: 24
File format: PDF
File size: 278 KB
Published: 08 May, 2012
Updated: 30 September, 2023
MD5 checksum: 1D3489023D2143D1A3B31B879D2273D8
PDF: Linear Technology LTC3783 PWM LED Driver Boost Flyback SEPIC Controller Handbook PDF

About this manual

The LTC3783 is a current‑mode LED driver and boost, flyback, SEPIC controller that can drive both an N‑channel power MOSFET and an N‑channel load PWM switch. It offers True Color PWM™ with a 3000:1 dimming ratio, 100:1 analog dimming, and programmable operating frequency.

The document lists electrical characteristics, pin functions, package options (16‑lead DFN and TSSOP), typical performance curves, and related parts. It also includes absolute maximum ratings, typical application circuits, and recommended PCB layout for the exposed pad.

What's inside

Features
Applications
Description
Electrical Characteristics
Pin Functions
Package Description
Related Parts

Specifications

Input Voltage Range	3 V – 36 V
Operating Frequency	20 kHz – 1 MHz
Shutdown Current	20 µA
Reference Voltage	1.23 V
Package Options	16‑lead DFN and TSSOP

Frequently asked questions

What dimming ratio does the LTC3783 provide?

It delivers a 3000:1 dimming ratio with True Color PWM™.

What is the shutdown current of the LTC3783?

The shutdown current is 20 µA.

What are the programmable frequency limits?

The operating frequency can be set from 20 kHz to 1 MHz.

Which packages are available for the LTC3783?

The device is offered in 16‑lead DFN and TSSOP packages.

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