Manufacturer Part Number
SI9112DY-T1-E3
Manufacturer
Vishay / Siliconix
Introduction
The SI9112 is a highly integrated and flexible DC-DC switching controller that can be used in a variety of power conversion topologies, including Cuk, Flyback, Forward Converter, and Push-Pull.
Product Features and Performance
Operates over a wide input voltage range of 9V to 13.5V
Switching frequency range of 40kHz to 1MHz
Supports Cuk, Flyback, Forward Converter, and Push-Pull topologies
Includes enable and reset control features
1 output phase
No synchronous rectifier
Product Advantages
Highly integrated and flexible design
Wide input voltage and switching frequency range
Supports multiple power conversion topologies
Efficient operation with minimal external components
Key Technical Parameters
Input Voltage: 9V ~ 13.5V
Switching Frequency: 40kHz ~ 1MHz
Output Configuration: Positive
Synchronous Rectifier: No
Topology: Cuk, Flyback, Forward Converter, Push-Pull
Function: Step-Up/Step-Down
Control Features: Enable, Reset
Clock Sync: No
Output Phases: 1
Quality and Safety Features
RoHS3 compliant
Operating temperature range of -40°C to 85°C (TA)
Compatibility
14-SOIC (0.154', 3.90mm Width) package
Tape & Reel (TR) packaging
Application Areas
Suitable for a variety of power conversion applications, including industrial, automotive, and consumer electronics.
Product Lifecycle
The SI9112 is an active product and is not nearing discontinuation.
Replacement or upgrade options may be available from Vishay/Siliconix or other manufacturers.
Several Key Reasons to Choose This Product
Highly integrated and flexible design
Wide input voltage and switching frequency range
Support for multiple power conversion topologies
Efficient operation with minimal external components
Robust quality and safety features
Availability in a surface mount package and Tape & Reel packaging