TL3843DR-8 - Texas Instruments

Manufacturer Part Number

TL3843DR-8

Manufacturer

Texas Instruments

Introduction

The TL3843DR-8 is part of Texas Instruments' power management category, specifically in the DC DC Switching Controllers. It is designed for the efficient control of power conversion in applications requiring either step-up or step-up/step-down functions.

Product Features and Performance

Output Type: Transistor Driver

Functionality includes step-up and step-up/step-down conversion

Output Configuration: Positive

Topology: Boost, Flyback, Forward

Single Output with one Output Phase

Supports Voltage Supply from 7.6V to 30V

Switching Frequency: Up to 500kHz

Maximum Duty Cycle: 97%

Lacks Synchronous Rectifier and Clock Sync

Frequency Control Feature for enhanced management

Operational Temperature range from 0°C to 70°C

Surface Mount

Product Advantages

High maximum duty cycle of 97% allowing for efficient power conversion

Flexible voltage supply range suitable for various applications

Supports complex topologies beneficial for tailored power solutions

Key Technical Parameters

Voltage Supply (Vcc/Vdd): 7.6V ~ 30V

Frequency - Switching: Up to 500kHz

Duty Cycle (Max): 97%

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

Package: 8-SOIC (0.154", 3.90mm Width)

Quality and Safety Features

The device operates within standard industrial temperature ranges ensuring reliability and stability in various environments.

Compatibility

Mounting Type: Surface Mount

Packaged in an 8-SOIC, making it compatible with standard surface mount technology (SMT) assembly processes.

Application Areas

Suitable for power management tasks in electronics that require voltage stepping and intricate power topologies.

Product Lifecycle

Currently listed as Active

No indication of impending discontinuation, ensuring ongoing availability and support.

Several Key Reasons to Choose This Product

Offers highly flexible power conversion with both step-up and step-up/step-down functions

Surface mount package facilitates integration into existing manufacturing processes

High-frequency operation up to 500kHz allows for efficient and responsive power control

Broad operational temperature range suitable for a variety of working environments

97% maximum duty cycle promotes high efficiency