LTC1149CS#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC1149CS#TRPBF

Manufacturer

Analog Devices

Introduction

The LTC1149CS#TRPBF is a high-performance step-down (buck) DC-DC switching controller designed for power management applications, optimized to efficiently reduce input voltage to a lower output voltage.

Product Features and Performance

Supports up to 48V supply voltage

Capable of switching frequencies up to 250kHz

Enables a maximum duty cycle of 100%

Integrated synchronous rectifier for improved efficiency

Features current limiting and enable control

Product Advantages

High voltage capability suitable for various applications

High-frequency operation reduces the size of external components

100% duty cycle capability for low dropout operation

Synchronous rectification enhances overall efficiency

Compact 16-SOIC package, ideal for space-constrained applications

Key Technical Parameters

Topology: Buck

Output Configuration: Positive

Number of Outputs: 1

Output Phases: 1

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

Frequency Switching: Up to 250kHz

Duty Cycle (Max): 100%

Operating Temperature: 0°C ~ 70°C (TA)

Quality and Safety Features

Current limit functionality to protect against overcurrent conditions

Thermal management through specified operating temperature range

Compatibility

Designed for surface mount technology for easy integration into PCB layouts

Application Areas

Telecom infrastructure

Networking equipment

Industrial systems

Portable devices requiring efficient power management

Product Lifecycle

Product Status: Active

Not nearing discontinuation, stable supply expected with ongoing support for replacements and upgrades

Several Key Reasons to Choose This Product

High input voltage range makes it versatile across different industries

Fast switching capability allows for smaller passive components, reducing overall solution size

Continuous duty cycle support guarantees low voltage drops even at high output currents

High efficiency due to synchronous rectification, saving energy in prolonged applications

Reliable operation within a broad temperature spectrum ensures performance stability under varying environmental conditions.