ET5H250

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

The ET5H250 is a positive fixed-output linear voltage regulator from ETEK Microelectronics, designed for low quiescent current applications. It delivers a maximum output current of 300mA in a SOT-23-5 package. The device features an input voltage range up to 36V and provides a fixed 5V output. Key electrical specifications include a dropout voltage of 1.2V at 300mA load and a power supply rejection ratio (PSRR) of 60dB at 1kHz. It integrates enable functionality for power management.

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

• Ultra-low quiescent current consumption for extended battery life
• High input voltage tolerance up to 36V
• Integrated enable pin for precise power control
• Stable operation with ceramic capacitors

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

• Battery-powered portable electronic devices
• Wireless communication equipment
• Cameras and image sensors
• Low noise analog circuit supplies

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

Verify the specific suffix code against the manufacturer's official datasheet to confirm exact output voltage and package variant. Ensure compatibility with system thermal requirements given the 300mA continuous current rating. Confirm RoHS compliance status if required by your manufacturing standards. Cross-reference the part number with authorized distributors to avoid counterfeit components.

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

Select this component when a fixed 5V output is required with high input voltage capability up to 36V. It is suitable for designs prioritizing low static current consumption in portable applications. Consider the SOT-23-5 package size constraints and thermal dissipation needs for 300mA loads. Verify that the required PSRR of 60dB meets the noise sensitivity of downstream circuits.

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

The ET5H250 belongs to the ET5H series of low-dropout regulators from ETEK Microelectronics. This family focuses on high-performance analog solutions for mobile and portable markets. The series emphasizes ultra-low IQ and dynamic transient response improvements. These regulators are engineered to support battery-operated systems requiring efficient power management and compact form factors.

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

Consult official substitution lists for direct equivalents. Generic LDOs may differ in input voltage limits or quiescent current profiles. Verify pin-out compatibility before replacing the SOT-23-5 package. Ensure thermal performance matches the original design specifications.