UC3843BD1G - onsemi

Manufacturer Part Number

UC3843BD1G

Manufacturer

onsemi

Introduction

The UC3843BD1G by onsemi is a DC DC switching controller designed for power management applications, encapsulated in a tube packaging format.

Product Features and Performance

Boost, flyback topology support for versatile power conversion.

Capable of driving a transistor output.

Operates on a voltage supply range from 7.6V to 30V.

Frequency switching can go up to 500kHz, allowing for efficient power conversion.

Maximum duty cycle of 96% for high efficiency.

Designed for step-up, step-up/step-down functions.

Supports positive output configuration with isolation capability.

Single output, operating with one output phase.

Product Advantages

High efficiency due to its potential 96% duty cycle.

Flexibility in power supply voltage.

Can be applied in isolated and non-isolated power supply designs.

High frequency switching for improved performance and reduced size of passive components.

Support for surface mount technology facilitates easier integration into design projects.

Key Technical Parameters

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

Frequency Switching: Up to 500kHz

Duty Cycle (Max): 96%

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

Mounting Type: Surface Mount

Package / Case: 8-SOIC

Quality and Safety Features

Built to operate within a wide range of ambient temperatures from 0°C to 70°C, ensuring reliability under varying environmental conditions.

The SOIC package enhances thermal performance and reliability.

Compatibility

Suitable for surface mount technology (SMT), allowing for flexibility in printed circuit board (PCB) design.

Application Areas

Ideal for developing power supplies with step-up or step-down functions.

Well-suited for applications requiring isolated power supplies.

Can be integrated into consumer electronics, industrial power systems, and automotive power management systems.

Product Lifecycle

The product status is Active, indicating it is currently in production and not nearing discontinuation.

Future availability of replacements or upgrades should be monitored through onsemi for continuous support.

Several Key Reasons to Choose This Product

High switching frequency up to 500kHz allows for compact and efficient power supply designs.

Supports a wide input voltage range, offering versatility in various application scenarios.

High maximum duty cycle of 96% ensures efficiency in power conversion.

Its capacity for isolation makes it ideal for a wide array of applications, including sensitive electronic applications requiring electrical isolation.

Surface mount compatibility eases the integration process into a wide range of electronic designs.