LTC1148CS#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC1148CS#PBF

Manufacturer

Analog Devices

Introduction

High efficiency step-down switching regulator controller

Product Features and Performance

Step-Down controller

Synchronous rectification for improved efficiency

Up to 100% duty cycle for low dropout operation

Frequency of switching up to 250 kHz

Product Advantages

High efficiency reduces thermal stress

Synchronous rectifier enables higher power applications

Wide input voltage range accommodates various power supplies

Positive output configuration facilitates typical use cases

Key Technical Parameters

Voltage - Supply (Vcc/Vdd): 3.5V to 20V

Frequency - Switching: Up to 250kHz

Duty Cycle (Max): 100%

Number of Outputs: 1

Output Phases: 1

Topology: Buck

Quality and Safety Features

Current limiting feature protects against overcurrent conditions

Thermal protection enhances safety and longevity

Compatibility

Compatible with surface mount technology

Application Areas

Power supplies

Embedded systems

Telecommunications

Consumer electronics

Product Lifecycle

Active status, not reported as nearing discontinuation

Several Key Reasons to Choose This Product

High integration reduces external component count

Robust thermal and current handling capabilities

Versatile input voltage range for multiple applications

Stable operation at 100% duty cycle aids low voltage applications

Simple interfacing with standard surface mount assembly processes