ET6H133B

Special Purpose Regulators Overview

The ET6H133B is a special purpose linear voltage regulator IC manufactured by ETEK Microelectronics. It functions as a low-dropout (LDO) regulator with a fixed output voltage of 3.3V and a maximum output current capability of 150mA. The device supports an input voltage range from 1.8V to 5V, designed for high-input applications requiring very low quiescent current. It operates within a temperature range of -40°C to 85°C and utilizes surface-mount packaging.

Special Purpose Regulators Feature Summary

• High input voltage tolerance with very low quiescent current consumption
• Fixed 3.3V output with 150mA load current capability
• Operates across a wide input voltage range from 1.8V to 5V

Special Purpose Regulators Applications

• Battery-powered portable electronic devices
• Low-power embedded systems requiring stable 3.3V supply
• Mobile communication equipment power management

Special Purpose Regulators Procurement Notes

Verify the specific package variant and tape & reel specifications against the official datasheet before ordering. Confirm that the supplier provides genuine ETEK Microelectronics components with traceable documentation. Ensure compatibility with your PCB footprint and reflow soldering profile requirements.

Special Purpose Regulators Selection Notes

Select this component when a fixed 3.3V output is required with minimal standby current draw. It is suitable for applications where input voltages vary between 1.8V and 5V. Consider thermal dissipation capabilities if operating near the maximum current limit in enclosed environments.

Special Purpose Regulators Part Context

This part belongs to the ET6H series of linear voltage regulators from ETEK Microelectronics. It is categorized under special purpose regulators and PMICs. Related models include the ET6H150F and ET6H150S, which share similar form factors but may differ in output voltage or current ratings.

Special Purpose Regulators Replacement Considerations

Check for direct pin-compatible alternatives such as other 3.3V LDOs with similar IQ specs. Verify electrical parameters match exactly. No specific substitute part numbers are publicly confirmed for this model.