ET7H218T

Overview

The ET7H218T is a linear regulator controller IC manufactured by ETEK Microelectronics. It features a positive fixed output configuration and is housed in a SOT-23-5 package. The device supports a maximum current of 200mA and is designed as a low-dropout regulator with an enable function.

Feature Summary

• Positive fixed output voltage regulation
• Low dropout operation capability
• Integrated enable control pin

Applications

• Portable electronic devices requiring stable power supply
• Battery-powered systems needing efficient voltage regulation
• Embedded circuits utilizing low-current linear regulation

Procurement Notes

Verify the manufacturer part number ET7H218T against official ETEK Microelectronics documentation to confirm specifications. Ensure the SOT-23-5 package type matches your PCB layout requirements. Cross-reference datasheets for electrical characteristics such as dropout voltage and quiescent current before integration into designs.

Selection Notes

Select this component when a fixed positive output linear regulator controller is required in a compact SOT-23-5 footprint. Consider its 200mA current capacity and low-dropout performance for applications where input-output voltage differential is minimal. Verify compatibility with external pass transistors if the internal architecture requires them, based on specific design constraints.

Part Context

ETEK Microelectronics specializes in analog integrated circuits and power management solutions. The ET7H218T belongs to their line of linear regulator controllers, targeting mobile and portable electronics markets. This series emphasizes efficiency and small form factors suitable for space-constrained consumer devices.

Replacement Considerations

Consult official ETEK Microelectronics substitution guides or equivalent product catalogs from other manufacturers for compatible linear regulator controllers in SOT-23-5 packages with similar electrical ratings.