LTC3803ES6#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC3803ES6#TRPBF

Manufacturer

Analog Devices

Introduction

The LTC3803ES6#TRPBF is a compact, high-efficiency, fixed-frequency flyback DC-DC controller designed for power management applications.

Product Features and Performance

Fixed frequency operation at 200kHz

Transistor driver output type

Capable of step-up, step-down, and flyback topologies

Positive output configuration with isolation capability

Single output with one output phase

Current limit and enable control features

Wide operating temperature range from -40°C to 125°C

Product Advantages

High integration allows for reduced component count

Optimized for compact power supplies

Ability to work with a wide input voltage range of 5.7V to 8V

The maximum duty cycle of 80% allows for efficient operation

No need for a synchronous rectifier, simplifying design

Key Technical Parameters

Voltage - Supply (Vcc/Vdd): 5.7V ~ 8V

Frequency - Switching: 200kHz

Duty Cycle (Max): 80%

Operating Temperature: -40°C ~ 125°C (TJ)

Quality and Safety Features

Rigorous quality control and robust design for reliable operation

Compatibility

Compatible with various input sources within its input voltage range

Designed for surface mount technology with SOT-23-6 packaging

Application Areas

Suitable for a range of power management applications including:

Telecommunications

Portable devices

Distributed power systems

Product Lifecycle

Active product status

Not indicated as nearing discontinuation

No information provided on replacements or upgrades

Several Key Reasons to Choose This Product

Exceptional power conversion efficiency

Flexible operation modes (step-up, step-down, flyback)

Ease of design with fixed frequency operation

High reliability due to extensive operating temperature range

Suiting a variety of applications thanks to versatile topologies