LTC1148CS#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC1148CS#TRPBF

Manufacturer

Analog Devices

Introduction

The LTC1148CS#TRPBF from Analog Devices is a high-efficiency, low power step-down DC DC switching controller designed for power management applications. It operates in a buck converter topology.

Product Features and Performance

High efficiency with synchronous rectification

Step-down (buck) regulation

5V to 20V voltage supply range

Up to 250kHz switching frequency

Supports 100% duty cycle for low dropout operation

Capable of driving a high current output

Features current limit and enable control

Operates at a temperature range of 0°C to 70°C

Product Advantages

High efficiency reduces power loss and heat generation

Wide input voltage range accommodates various power supplies

High switching frequency allows for smaller external components

Full duty cycle support enables operation close to the input voltage

Integrated synchronous rectification improves efficiency

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): 3.5V to 20V

Frequency Switching: Up to 250kHz

Duty Cycle (Max): 100%

Synchronous Rectifier: Yes

Quality and Safety Features

Built-in current limit for overcurrent protection

Operation within the industrial temperature range ensures reliability

Compatibility

Surface mount technology for easy PCB integration

Compatible with a wide range of external components for flexible circuit design

Application Areas

Power supplies

Battery-powered devices

Portable electronics

Industrial power management

Telecommunications equipment

Product Lifecycle

Active status, indicating ongoing production and support

Not currently nearing discontinuation, ensuring long-term availability

Several Key Reasons to Choose This Product

Highly efficient power conversion reduces thermal footprint

Flexible input voltage range accommodates various sources

High-frequency operation allows for compact, lightweight designs

100% duty cycle capability for efficient low voltage operation

Integration of synchronous rectification enhances overall system efficiency

Comprehensive protection features enhance system safety

Active product status ensures long-term availability and support