S-19904BA-S8T1U7

Voltage Regulators - DC DC Switching Regulators Overview

The S-19904BA-S8T1U7 is a step-down DC/DC switching regulator from ABLIC Inc., operating in the S-19904 series. It features an adjustable output voltage range of 2.5 V to 12 V with a maximum output current of 1 A. The device supports an input voltage range of 4 V to 36 V and utilizes a buck topology. It operates at a fixed switching frequency of 400 kHz and is housed in an 8-pin HTMSOP package. The component functions within a temperature range of -40 °C to +125 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a high-efficiency buck converter for stable voltage regulation
• Supports wide input voltage ranges suitable for various power sources
• Provides adjustable output voltage control via external resistors
• Designed for compact surface-mount applications

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power management
• Battery-powered systems needing regulated voltage rails
• Industrial control modules with varying input supplies
• Consumer electronics utilizing buck conversion topologies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix codes against official ABLIC documentation to ensure correct pinout and thermal characteristics. Confirm RoHS compliance status through the manufacturer's latest datasheet. Cross-reference the part number with authorized distributors to avoid counterfeit components. Ensure the selected packaging matches your assembly requirements. Validate electrical parameters against your system design specifications before procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 1 A output current is required with an adjustable voltage setting. Consider the 400 kHz switching frequency for balancing efficiency and component size. Evaluate the HTMSOP-8 package constraints for PCB layout. Compare input voltage ranges against available power sources. Assess thermal performance needs based on the operating environment and load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the S-19904 series of switching regulators by ABLIC. The series focuses on compact, high-efficiency DC/DC conversion solutions. These regulators are designed to replace linear regulators in applications where heat dissipation and efficiency are critical. The S-19904 series offers flexibility in output voltage adjustment while maintaining small form factors.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct substitutes within the S-19904 family with different output current ratings or package options. Verify compatibility with existing feedback resistor networks if replacing with similar adjustable regulators. Ensure equivalent input voltage ranges and switching frequencies for circuit stability.