SI9120DJ-E3 - Vishay Siliconix

Manufacturer Part Number

SI9120DJ-E3

Manufacturer

Vishay Siliconix

Introduction

The SI9120DJ-E3 is a robust AC DC Converter and Offline Switch designed for power management applications, capable of operating in flyback and forward converter topologies.

Product Features and Performance

Operates in Flyback and Forward topology

Supports a voltage supply range from 9.5V to 13.5V

Features a maximum duty cycle of 50%

Variable switching frequency from 40kHz to 1MHz

Operates within a temperature range of -40°C to 85°C

Through Hole Mounting Type

Product Advantages

High flexibility with adjustable voltage supply and duty cycle

Broad frequency setting for diverse application needs

Suitable for harsh environments due to wide operating temperature range

Key Technical Parameters

Topology: Flyback, Forward

Voltage Supply (Vcc/Vdd): 9.5V ~ 13.5V

Duty Cycle: 50%

Frequency Switching: 40kHz to 1MHz

Operating Temperature: -40°C ~ 85°C

Package / Case: 16-DIP

Quality and Safety Features

Rigorous testing in temperature extremes for reliable operation

Compatibility

Compatible with various flyback and forward circuit designs

Application Areas

Industrial power supplies

Telecommunication infrastructure

Commercial electronic systems

Product Lifecycle

Obsolete status

Limited support for replacements or upgrades available

Several Key Reasons to Choose This Product

Versatile power supply compatibility (9.5V ~ 13.5V)

Broad switching frequency allows customization for specific application requirements

Resilient performance in extreme temperatures makes it suitable for industrial applications

Simple mounting through standard 16-DIP package for easy integration into existing designs