LTC3807EUDC#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC3807EUDC#PBF

Manufacturer

Analog Devices

Introduction

The LTC3807EUDC#PBF is a high-performance step-down switching regulator controller from Analog Devices, designed for power management applications. It excels in converting higher voltage to lower voltage with efficiency.

Product Features and Performance

High-efficiency step-down (buck) regulator

Supports a wide input voltage range from 4V to 38V

Adaptive output voltage regulation depending on input

Up to 99% duty cycle for low dropout operation

Integrated synchronous rectifier for improved efficiency

Programmable frequency from 50kHz to 900kHz

Comprehensive control features including current limit, soft start, frequency control, and enable tracking

Product Advantages

High efficiency reduces heat and increases reliability

Versatile input voltage range accommodates various power sources

Synchronous rectification offers higher efficiency compared to diode-based solutions

Programmable switching frequency allows flexibility and optimization of inductor and capacitor sizes

Soft start feature prevents input current overshoot at startup

Compact 20-WFQFN package saves board space

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Down

Output Configuration: Positive

Topology: Buck

Number of Outputs: 1

Output Phases: 1

Voltage Supply (Vcc/Vdd): 4V ~ 38V

Frequency Switching: 50kHz ~ 900kHz

Duty Cycle (Max): 99%

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

Quality and Safety Features

Overcurrent protection enhances safety and device longevity

Thermal shutdown mechanism prevents overheating

Ruggedized design ensures reliability across various temperature ranges

Compatibility

Suitable for use in a wide range of power management applications due to its versatile input voltage and adjustable switching frequency

Application Areas

Industrial and automotive power systems

Distributed power systems

Portable electronic devices

Energy-efficient power supplies

Product Lifecycle

Currently marked as Active by Analog Devices

No known discontinuation or end-of-life notifications, ensuring continuous availability

Upgrades or replacements can be easily found within Analog Devices’ extensive portfolio of power management products

Several Key Reasons to Choose This Product

Efficient power management enhances system reliability and performance

Flexible input voltage range and adjustable frequency cater to a broad spectrum of applications

High duty cycle capability is ideal for low dropout scenarios

Integrated protections and quality features ensure long-term reliability

Compact form factor is advantageous for space-constrained designs

Synchronous rectification technology improves overall energy efficiency

Supported by Analog Devices' reputation for high-quality and reliable components