LTC1149CN#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC1149CN#PBF

Manufacturer

Analog Devices

Introduction

High efficiency step-down switching controller for power management applications

Product Features and Performance

Buck topology

Single output transistor driver

Output configuration positive

Supports up to 48V supply voltage

Switching frequency up to 250kHz

100% maximum duty cycle

Built-in synchronous rectifier

No clock synchronization

Features current limit and enable control

Through hole mounting type

Product Advantages

High efficiency conversion

Support for high input voltage

Fully integrated synchronous rectification

Fixed frequency operation

Key Technical Parameters

Topology: Buck

Number of Outputs: 1

Output Phases: 1

Voltage - Supply (Vcc/Vdd): Up to 48V

Frequency - Switching: Up to 250kHz

Duty Cycle (Max): 100%

Synchronous Rectifier: Yes

Quality and Safety Features

Reliable operating temperature range of 0°C to 70°C

Built-in protection features such as current limiting

Compatibility

Compatible with a wide range of input voltages

Through hole 16-DIP package for easy PCB design and manufacturing

Application Areas

Power supplies

Telecommunications

Computer systems

Industrial control systems

Product Lifecycle

Active product status

Not currently nearing discontinuation

Availability of replacements or upgrades if necessary

Several Key Reasons to Choose This Product

High input voltage support caters to various applications

High efficiency reduces thermal footprint and saves energy

Integrated synchronous rectifier for improved efficiency

Fixed frequency operation for predictable performance

Ease of integration owing to standard DIP package

Active lifecycle status ensures ongoing product availability and support