LTC3703IGN-5#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC3703IGN-5#TRPBF

Manufacturer

Analog Devices

Introduction

High-performance step-down DC DC switching controller for power management applications.

Product Features and Performance

Step-down (Buck) topology

Integrated synchronous rectifier for improved efficiency

Clock synchronization capability

Adjustable switching frequency from 100kHz to 600kHz

Supports a duty cycle up to 93%

Soft start to minimize inrush current

Current limit feature for protection

Capability to operate from 4.1V to 15V supply voltage

Can drive high-side N-channel MOSFET

Product Advantages

High efficiency due to synchronous rectification

Flexible design with adjustable frequency and soft start

Reliable operation in extreme temperatures ranging from -40°C to 125°C

Surface mount SSOP-16 package for compact PCB designs

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Down

Voltage - Supply (Vcc/Vdd): 4.1V ~ 15V

Frequency - Switching: 100kHz ~ 600kHz

Duty Cycle (Max): 93%

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

Quality and Safety Features

Built-in current limit for overcurrent protection

Thermal shutdown for high-temperature protection

Stable operation across a wide range of temperatures

Compatibility

Compatible with high-side N-channel MOSFETs

Suitable for various applications with a supply voltage requirement of 4.1V to 15V

Application Areas

Telecommunications

Networking

Server and Storage Systems

Industrial Power Supplies

Product Lifecycle

The product is currently active and not close to discontinuation.

Replacements or upgrades may be available in the LTC3703 product family.

Several Key Reasons to Choose This Product

High integration level reduces external component count and system complexity

Flexible operating features, including soft start and frequency control

Robust thermal and overcurrent protection features for enhanced safety

Capable of high-frequency operation for compact power design

Suitable for a broad range of applications due to wide input voltage range

Minimized EMI due to clock synchronization feature

High duty cycle enables low drop-out operation for a variety of uses