TL3843BDR - Texas Instruments

Manufacturer Part Number

TL3843BDR

Manufacturer

Texas Instruments

Introduction

TL3843BDR is a current-mode PWM controller integrating all the functions required in the construction of a switching power supply.

Product Features and Performance

Integrated 1.5-A peak current limit

Up to 500 kHz switching frequency

Operates from 7.6V to 30V supply voltage

Maximum duty cycle of 96%

Positive output configuration

Supports boost, flyback, and forward topologies

One output with a single output phase

Frequency control for precise operation

Surface mount 14-SOIC package

Product Advantages

High flexibility in circuit design

Suitable for a range of power sizes

Low external part count for cost-effectiveness

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Up, Step-Up/Step-Down

Topology: Boost, Flyback, Forward

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

Frequency - Switching: Up to 500kHz

Duty Cycle (Max): 96%

Operating Temperature: 0°C ~ 70°C

Quality and Safety Features

Overcurrent protection through peak current limiting

Compatibility

Compatible with various transformer designs for different topologies

Application Areas

Power supply modules

Industrial control systems

Telecommunication equipment

Product Lifecycle

Active product

Widely used and supported with design resources

Key Reasons to Choose This Product

High efficiency for energy savings

Robust design for reliable and long-term operation

Versatile in application across various designs

Easily integrates into numerous power circuit topologies

Supported by Texas Instruments' comprehensive design and technical resources