ET5H118

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The ET5H118 is a linear voltage regulator IC from the ET5H1XX series, manufactured by Etek Microelectronics. It provides a fixed positive output voltage of 1.8V with a maximum load current capability of 150mA. The device operates within an input voltage range of 1.8V to 5V and features very low quiescent current (IQ). Designed for portable battery-powered applications, it utilizes a SOT-23-5 package.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Fixed 1.8V positive output configuration
• High input voltage operation up to 5V
• Very low quiescent current design
• Optimized for portable battery-powered systems

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Portable electronic devices
• Battery-powered consumer electronics
• Low-power analog circuits requiring stable 1.8V supply

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific suffix code against official Etek Microelectronics documentation to confirm pinout compatibility and thermal characteristics. Ensure the source component matches the SOT-23-5 package specification. Cross-reference electrical parameters such as dropout voltage and line regulation with the latest datasheet revision to guarantee performance alignment with system requirements.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a stable 1.8V rail is required for low-current loads under 150mA. It is suitable for designs prioritizing low power consumption due to its low IQ profile. Consider the input voltage range of 1.8V to 5V to ensure adequate headroom for the LDO operation in varying battery conditions.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

The ET5H118 belongs to the ET5H1XX family of high-input, low-IQ LDO regulators. This series is engineered for efficiency in mobile and handheld applications. The part shares common architectural traits with siblings like the ET5H125, differing primarily in output voltage settings while maintaining similar current handling and package constraints.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Direct substitutes include other parts from the ET5H1XX series with compatible output voltages. Verify pin-to-pin compatibility with alternative LDOs offering 1.8V output and 150mA capacity in SOT-23-5 packages before implementation.