LT1243CS8#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LT1243CS8#TRPBF

Manufacturer

Analog Devices

Introduction

The LT1243CS8#TRPBF is a Power Management Integrated Circuit (PMIC), specifically a DC DC switching controller used for step-down voltage regulation.

Product Features and Performance

Step-down (Buck) topology for efficient power conversion

Single output transistor driver design

Supports positive and isolation-capable output configurations

High switching frequency of 500kHz for reduced component size

Maximum duty cycle of 96% for improved performance

No built-in synchronous rectifier

Lacks clock synchronization feature

Frequency control for fine-tuning switch timing

Operates over a wide supply voltage range from 8.2V to 25V

Suitable for high-temperature operations (0°C to 100°C)

Product Advantages

High-frequency operation allows for smaller inductor and capacitor sizes

Versatile voltage supply range for diverse power requirements

High duty cycle enables use in low dropout conditions

Frequency control provides flexibility in managing EMI

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Down

Number of Outputs: 1

Output Phases: 1

Voltage Supply (Vcc/Vdd): 8.2V ~ 25V

Frequency Switching: 500kHz

Duty Cycle (Max): 96%

Operating Temperature: 0°C ~ 100°C (TJ)

Quality and Safety Features

Manufactured by Analog Devices, a reputable semiconductor company

Built to meet specified operating temperature ranges for reliability

Compatibility

8-SOIC (0.154", 3.90mm Width) package compatible with surface-mount technology

Suitable for high-density PCB assembly

Application Areas

Power supply modules

Portable devices

Telecommunications

Computing systems

Industrial controls

Product Lifecycle

Status: Active

Not currently nearing discontinuation

Continual availability of replacements and possibly upgrades within Analog Devices' portfolio

Several Key Reasons to Choose This Product

High switching frequency facilitates use of smaller passive components, saving PCB space

Wide input voltage range enhances compatibility with various power sources

Manufactured by an industry leader ensures reliability and performance

Active product status indicates ongoing support and supply by the manufacturer

Suitable for a multitude of applications across different sectors due to its versatile features and specifications