ET5H533B

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

The ET5H533B is a linear voltage regulator IC from ETEK Microelectronics, featuring a positive fixed output. It supports an input voltage range of 3.0V to 40V and delivers a maximum output current of 300mA. The device is housed in a SOT-23-5 package. Designed for low quiescent current applications, it typically consumes 2.8μA, making it suitable for battery-powered portable devices requiring extended operational life.

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

• Ultra-low quiescent current consumption designed for battery efficiency
• Wide input voltage range supporting high-voltage applications
• Integrated dynamic transient enhancement for improved response

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

• Portable battery-powered consumer electronics
• Wireless communication modules
• Low-power sensor interfaces

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

Verify the specific package variant upon ordering, as sources indicate availability in both SOT-23-5 and SOT-89-3L configurations for this part number. Confirm the manufacturer designation is ETEK Microelectronics or Sekorm to ensure component authenticity. Request official datasheets to validate electrical parameters against your system requirements before finalizing procurement.

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

Select this component when designing circuits that require a wide input voltage range up to 40V with a fixed output. It is appropriate for systems prioritizing minimal static power draw. Ensure the thermal dissipation capabilities of the chosen package (SOT-23-5 or SOT-89-3L) align with the expected load current and ambient temperature conditions.

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

This part belongs to the ET5H5XX series of low quiescent current LDO regulators introduced by ETEK Microelectronics. The series is characterized by its ability to operate with high input voltages while maintaining very low standby currents. This specific model represents a fixed-output variant within that lineup.

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

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pinout compatibility and electrical specifications carefully if considering alternative manufacturers.