LTC3775IMSE#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC3775IMSE#PBF

Manufacturer

Analog Devices

Introduction

High performance PolyPhase step-down DC DC switching controller

Product Features and Performance

PolyPhase Single Output Buck Regulator

5V to 38V operating input voltage range

250kHz to 1MHz adjustable switching frequency

Up to 90% duty cycle for low dropout operation

Integrated synchronous rectifier for improved efficiency

Supports clock synchronization

Current mode operation for excellent transient response

Soft start feature to reduce inrush current

Precision 0.8V voltage reference

Product Advantages

High efficiency due to integrated synchronous rectification

Flexible clock synchronization improves noise margin

Current mode control ensures stable operation and fast transient response

Versatile input voltage range suitable for various applications

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): 4.5V ~ 38V

Frequency Switching: 250kHz ~ 1MHz

Duty Cycle (Max): 90%

Synchronous Rectifier: Yes

Clock Sync: Yes

Control Features: Current Limit, Enable, Frequency Control, Soft Start

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

Quality and Safety Features

Thermal protection with programmable foldback

Overvoltage and overcurrent protection

Compatibility

Mounting Type: Surface Mount

Package / Case: 16-TFSOP (0.118", 3.00mm Width) Exposed Pad

Supplier Device Package: 16-MSOP-EP

Application Areas

Networking and telecommunication systems

Computing systems

Industrial equipment

Automotive electronics

Product Lifecycle

Status: Active

Not nearing discontinuation

Future replacements or upgrades should be verified with the manufacturer

Several Key Reasons to Choose This Product

Robust power management suitable for high-performance applications

Flexible and adjustable parameters can accommodate specific design requirements

High integration reduces external components and system complexity

Reliable operation with built-in safety features

Suitable for a broad range of operating temperatures and environments