LTC1149CS#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC1149CS#PBF

Manufacturer

Analog Devices

Introduction

High efficiency step-down switching regulator controller

Product Features and Performance

High efficiency voltage conversion up to 96%

Up to 48V operating supply voltage

Synchronous rectification for improved efficiency

100% duty cycle capability for low dropout operation

Frequency switching up to 250kHz

Supports a single output phase

Current mode operation for excellent line and load transient response

Product Advantages

Optimized for surface-mount technology

Low power standby mode

Thermal overload protection

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Down

Topology: Buck

Number of Outputs: 1

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

Frequency - Switching: Up to 250kHz

Duty Cycle (Max): 100%

Synchronous Rectifier: Yes

Operating Temperature: 0°C ~ 70°C

Quality and Safety Features

Overcurrent and overtemperature protection

Stable with ceramic output capacitors

Compatibility

Compatible with diverse types of power semiconductors

Application Areas

Power supply modules

Distributed Power Systems

Telecommunications equipment

Portable devices

Product Lifecycle

Active product with ongoing support from manufacturer

Several Key Reasons to Choose This Product

Efficient power conversion reduces thermal footprint in applications

High-reliability design assures continuous operation

Adaptable for a broad range of input voltages and applications

Ease of use in design and scalability for various output load requirements

Surface mount package facilitates modern PCB design techniques