ET5H550B

$0.25

Description：300mA Low IQ WIth EN
Series：*
Mfr：ETEK MICROELECTRONICS
Package：Tape & Reel (TR)

SKU:d28a6fbe67bb Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: ETEK MICROELECTRONICS

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Product introduction

ET5H550B is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists ETEK MICROELECTRONICS. Its product description is 300mA Low IQ WIth EN. Review the specifications below when checking this part for your BOM.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators specifications for ET5H550B

Description：300mA Low IQ WIth EN
Series：*
Mfr：ETEK MICROELECTRONICS
Package：Tape & Reel (TR)
Output Configuration：Positive
Output Type：Fixed
Number of Regulators：-
Voltage - Input (Max)：40V
Voltage - Output (Min/Fixed)：5V
Voltage - Output (Max)：-
Voltage Dropout (Max)：1.5V @ 300mA
Current - Output：300mA
Current - Quiescent (Iq)：-
Current - Supply (Max)：-
PSRR：52dB (1kHz)
Control Features：Enable
Protection Features：Over Current, Over Temperature
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：-
Package / Case：-
Supplier Device Package：SOT-89-3
Grade：-
Qualification：-

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators datasheet and documents for ET5H550B

ET5H550B

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

The ET5H550B is a linear voltage regulator manufactured by ETEK Microelectronics. It provides a positive fixed output of 5 V with a maximum current capacity of 300 mA. The device is housed in an SOT-89-3 package, designed for efficient power management in compact electronic applications.

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

Provides stable positive fixed voltage regulation
Supports up to 300 mA load current
Utilizes compact SOT-89-3 surface-mount packaging

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

Portable electronic devices requiring stable 5V supply
Embedded systems with low-power constraints
Battery-operated equipment needing efficient linear regulation

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

Verify the exact part number suffix (e.g., TR) against the manufacturer's official documentation to ensure correct tape-and-reel packaging specifications. Confirm that the SOT-89-3 footprint matches your PCB design requirements before finalizing procurement orders.

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

Select this component when a fixed 5V output at 300mA is required in a small form factor. Ensure input voltage exceeds the dropout voltage for proper regulation. Consider thermal dissipation capabilities within the SOT-89-3 package for continuous operation under load.

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

This LDO belongs to ETEK Microelectronics' line of linear voltage regulators. It shares the same package and current rating as variants like ET5H250B and ET5H550F, differing primarily in output voltage or specific manufacturing batch codes.

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

ET5H550F is a documented substitute offering identical 5V output and 300mA capability in the same SOT-89-3 package. Verify pinout compatibility and thermal characteristics before substitution.

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Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.