LTC3807EFE#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC3807EFE#PBF

Manufacturer

Analog Devices

Introduction

High-efficiency, synchronous step-down DC-DC controller

Product Features and Performance

Synchronous rectification for higher efficiency

Wide input voltage range from 4V to 38V

Adjustable switching frequency from 50kHz to 900kHz

Up to 99% Duty Cycle for low dropout operation

Internal soft-start

Fixed frequency operation

Over-temperature protection

Current mode operation for excellent line and load transient response

Compatible with a variety of inductors and capacitors

Product Advantages

High efficiency reduces thermal issues

Flexible design options with adjustable frequency

Good for high input voltage applications

Stable operation with a variety of external components

Key Technical Parameters

1 output transistor driver

Step-down (Buck) topology

Voltage supply range: 4V ~ 38V

Switching frequency: 50kHz ~ 900kHz

Duty Cycle (Max): 99%

Operating temperature range: -40°C ~ 125°C

Quality and Safety Features

Thermal shutdown

Under-voltage lockout

Over-current protection

Compatibility

Compatible with a range of inductors and capacitors

20-TSSOP-EP package compatible with surface mount technology

Application Areas

Telecommunications

Industrial power supplies

Automotive systems

Distributed power systems

Product Lifecycle

Active product status

Not indicated as nearing discontinuation

Several Key Reasons to Choose This Product

Efficient power management for a range of applications

Robust thermal performance for reliability

Flexible design adaptability with adjustable parameters

Proven quality with thorough safety features

Suitable for high-performance industrial and automotive applications