ET8131

Overview

The ET8131 is a high-efficiency synchronous step-down DC-DC converter from ETEK MICROELECTRONICS, utilizing ACOT control architecture. It accepts an input voltage range of 4.5V to 17V and delivers a continuous output current of 3A. The device features a positive adjustable output starting at 0.76V with a single output channel. Packaged in SOT23-6, it is designed for applications requiring compact solutions and stable power conversion.

Feature Summary

• Synchronous step-down topology for high efficiency
• ACOT control architecture for stable operation
• Adjustable output voltage capability

Applications

• Portable electronic devices
• Battery-powered systems
• General-purpose power supply modules

Procurement Notes

Verify the specific manufacturer datasheet for complete electrical characteristics and thermal parameters. Confirm package availability and reel specifications with authorized distributors. Ensure compliance with RoHS and other relevant environmental standards before integration into final designs.

Selection Notes

Select this component when a compact synchronous buck converter is required for inputs up to 17V. The 3A current rating suits moderate load applications. Verify that the required output voltage falls within the adjustable range supported by the external feedback network configuration.

Part Context

ETEK MICROELECTRONICS specializes in high-performance analog integrated circuits. The ET8131 belongs to their series of switching regulators, offering alternatives to traditional PWM controllers by integrating control logic and power switches into a small footprint for space-constrained designs.

Replacement Considerations

Cross-reference with other 3A synchronous buck converters featuring similar input ranges. Verify pin compatibility and control architecture differences before substitution to ensure circuit stability.