SCT2220TVBR

Voltage Regulators - DC DC Switching Regulators Overview

The SCT2220TVBR is a synchronous step-down DC-DC converter by SCT, housed in a SOT23-6L package. It supports an input voltage range of 4.2V to 17V and delivers up to 2A continuous output current. Key electrical parameters include a 750kHz switching frequency, 90mΩ/60mΩ high-side/low-side MOSFET resistance, and a 0.8V ±2.5% feedback reference. The device features COT control with PFM mode for light loads, achieving 150uA standby current. Protection mechanisms include hiccup overcurrent protection, 150°C thermal shutdown, and output overvoltage protection.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high and low-side power MOSFETs for compact design
• Supports Pulse Frequency Modulation (PFM) for enhanced light-load efficiency
• Provides comprehensive protection against overcurrent, overheating, and overvoltage

Voltage Regulators - DC DC Switching Regulators Applications

• Digital TV systems
• Set-top boxes
• XDSL modems
• Server power supplies
• Communication point-of-load modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'TVBR' against official datasheets to confirm pinout compatibility and tape-and-reel specifications. Ensure the supplier provides valid traceability documents. Confirm that the component meets the required automotive or industrial temperature grades if applicable to your system design.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this model when an input voltage between 4.2V and 17V is required with up to 2A output. It is suitable for applications prioritizing small footprint due to the SOT23-6L package. Consider alternatives if higher input voltages or different switching frequencies are needed.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the SCT2220 series of synchronous buck converters. It shares architectural similarities with other SCT models like the SCT2230 but differs in input range and internal MOSFET characteristics. The series is designed for general-purpose power management in consumer and communication electronics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct pin-to-pin replacements may include SCT2220TVA or SCT2221TVB variants within the same family. Cross-brand equivalents require careful verification of pinout, thermal performance, and control loop stability.