LTC7801EUFD#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC7801EUFD#TRPBF

Manufacturer

analog-devices

Introduction

The LTC7801EUFD#TRPBF is a high-performance, buck (step-down) DC-DC switching controller designed to manage power efficiently within electronic systems, minimizing power loss.

Product Features and Performance

Efficient management of power within a wide input range of 4V to 140V

Supports high switching frequency from 50kHz to 900kHz, allowing for smaller external components

Maximum duty cycle of 100% enables near-zero dropout voltage

Not limited by an internal oscillator; offers flexibility in frequency selection

Offers control features such as current limit, power good signaling, soft start function, and tracking for ease of use

Operates reliably in extreme temperatures ranging from -40°C to 125°C

Product Advantages

The wide input voltage range accommodates various power sources

High switching frequency reduces the size of external components, saving space on the PCB

Integrated features like soft start and current limit enhance system safety and reliability

Operates efficiently and reliably across a broad temperature spectrum

Key Technical Parameters

Voltage Supply (Vcc/Vdd): 4V ~ 140V

Frequency Switching: 50kHz ~ 900kHz

Duty Cycle (Max): 100%

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

Quality and Safety Features

Built-in current limit for overcurrent protection

Power good signal for monitoring the system health

Soft start to prevent inrush current at startup

Compatibility

The product is designed for surface mount technology, ensuring compatibility with modern PCB assembly processes.

Application Areas

Broadly applicable in telecommunications, industrial control systems, and automotive electronics due to its versatile power management capabilities.

Product Lifecycle

Currently marked as Active, indicating that it is in full production without immediate risk of discontinuation.

Continuous availability of replacements or upgrades is anticipated, given analog-devices’ commitment to long-term product support.

Several Key Reasons to Choose This Product

Flexible input voltage range and high switching frequency for versatile applications

High level of integration of control features simplifies system design and enhances reliability

Robust operating temperature range ensures performance in harsh environments

The efficient power management capability improves system performance and longevity

Part of a well-supported product line, ensuring long-term availability and support