SI9122EDQ-T1-E3 - Vishay Siliconix

Manufacturer Part Number

SI9122EDQ-T1-E3

Manufacturer

Vishay Siliconix

Introduction

Power Management Integrated Circuit for DC-DC Switching with a half-bridge topology.

Product Features and Performance

Transistor Driver Output

Step-Up/Step-Down Functionality

Positive Output with Isolation Capability

Single Output Phase

Synchronous Rectifier for Improved Efficiency

Current Limit, Sequencing, Soft Start Control Features

Operates at High Frequency of 500kHz

Robust Output with a Maximum Duty Cycle of 91%

Product Advantages

Highly efficient for power-sensitive applications

Compact 20-TSSOP Package for space-saving on PCBs

Capable of handling a wide range of input voltages

Key Technical Parameters

Voltage Supply range from 10.5V to 13.2V

One Output Phase

Frequency - Switching at 500kHz

Maximum Duty Cycle of 91%

Operating Temperature from -40°C to 85°C

Quality and Safety Features

Built-in Current Limit for protection against overload

Sequencing for controlled startup

Thermal shutdown capability

Compatibility

Compatible with various power input sources within the specified range

Suitable for Surface Mount Technology (SMT)

Application Areas

Can be used in telecommunication, computing, networking, and industrial systems

Product Lifecycle

Obsolete status indicates no longer in production

Replacement or upgraded parts might be limited

Several Key Reasons to Choose This Product

Discontinued product offers unique value for legacy systems maintenance

High switching frequency ideal for high-performance applications

Supports a variety of control features enhancing safety and reliability

Surface mount package can be useful for designs with space constraints

High duty cycle supports a wide range of power delivery needs