SCT9431FSAR

Voltage Regulators - DC DC Switching Regulators Overview

The SCT9431 is a DC-DC buck converter from Sino Wealth Intelligent Electronics. It features a wide input voltage range of 3.8V to 36V and delivers a continuous output current of 3A. The device utilizes peak current mode control with an integrated compensation network. It supports a PSM operating mode with a typical quiescent current of 22uA. Designed for electromagnetic interference (EMI) optimization, it employs a multi-stage gate drive design to eliminate switching node ringing.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Supports low quiescent current operation in PSM mode
• Optimized for EMI through multi-stage gate drive technology
• Integrated compensation network for simplified design

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive wireless charging power transmitters
• General-purpose DC-DC step-down conversion
• Battery-powered electronic devices requiring low standby power

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix FSAR against official datasheets to confirm package type and tape-and-reel specifications. Ensure the component meets required automotive or industrial qualification standards if applicable. Cross-reference the manufacturer's latest documentation to validate pinout compatibility and thermal performance requirements before integration into final designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for applications requiring a 3A output capability within a 36V maximum input limit. The integrated compensation simplifies external component count. Consider the EMI optimization features for sensitive environments. Verify that the 22uA quiescent current meets system standby power constraints. Ensure the switching frequency aligns with inductor selection guidelines provided in the technical data.

Voltage Regulators - DC DC Switching Regulators Part Context

SCT9431 belongs to Sino Wealth's portfolio of synchronous buck converters. It is part of a series including variants like SCT9430 and SCT9431Q. The Q-suffix typically denotes automotive-grade qualification. This family targets efficient power management in compact form factors, leveraging proprietary gate drive patents for improved signal integrity and reduced noise emissions compared to standard controllers.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Evaluate alternatives based on matching electrical parameters such as 3A current rating, 36V max input, and similar control architecture. Verify pin-to-pin compatibility and thermal characteristics independently.