ET5H550F

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

The ET5H550F is a linear voltage regulator IC featuring a positive fixed output. It provides an output current of 300mA with a maximum dropout voltage of 1.5V at that load. The device offers a Power Supply Rejection Ratio (PSRR) of 52dB. It is housed in an SOT-89-3 package and is designed for applications requiring stable voltage regulation within the specified operating temperature range.

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

• Linear voltage regulation with positive fixed output
• Capable of delivering 300mA output current
• Low dropout voltage characteristic for efficiency
• Integrated power supply rejection ratio

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

• Portable battery-powered electronic devices
• RF system-on-chip power management
• General purpose voltage regulation circuits

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

Verify the exact datasheet specifications from Wuxi ETEK Microelectronics before integration. Confirm the SOT-89-3 package dimensions and thermal characteristics match your PCB layout requirements. Ensure the input voltage range supports the 1.5V dropout requirement at full 300mA load to maintain regulation stability.

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

Select this component when a fixed positive output voltage with 300mA capability is required in a compact SOT-89-3 package. Consider the 1.5V dropout voltage constraint for low-input-voltage scenarios. Verify that the 52dB PSRR meets the noise sensitivity requirements of the downstream circuitry, particularly for RF or sensitive analog loads.

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

This part belongs to the ET5H series of linear regulators from ETEK Microelectronics. These components are designed as power management solutions for mobile and portable electronics. The series focuses on providing reliable voltage regulation with specific current ratings and package options suitable for space-constrained designs.

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

Cross-reference with other 300mA linear regulators in SOT-89-3 packages. Ensure compatibility regarding output voltage tolerance, dropout voltage limits, and thermal performance. Verify pinout alignment if substituting directly into existing footprints.