ET5H133

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

The ET5H133 is a positive fixed linear voltage regulator manufactured by ETEK Microelectronics. It provides a fixed output voltage of 3.3V with a maximum output current of 150mA. The device operates within an ambient temperature range of -40°C to 85°C. It is available in SC-74A and SOT-753 packages, designed for efficient power management in portable applications requiring stable low-voltage regulation.

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

• Provides a fixed 3.3V output voltage for stable power supply
• Supports up to 150mA output current capability
• Operates reliably across industrial temperature ranges

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

• Battery-powered portable electronic devices
• Low-power consumer electronics systems
• Embedded control circuits requiring stable 3.3V logic levels

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

Verify the specific package variant (SC-74A or SOT-753) required for your PCB layout before ordering. Confirm that the 150mA output current meets your load requirements. Ensure the operating temperature range of -40°C to 85°C aligns with your environmental conditions. Cross-reference the manufacturer's latest datasheet for pinout accuracy and thermal dissipation guidelines.

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

Select this component when a fixed 3.3V output is needed with moderate current demands up to 150mA. It is suitable for designs prioritizing simplicity and cost-effectiveness over adjustable voltage options. Consider the small footprint of the SC-74A or SOT-753 package for space-constrained layouts. Ensure input voltage exceeds the dropout voltage for proper regulation.

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

The ET5H133 belongs to the ET5H series of low-dropout regulators from ETEK Microelectronics. This series focuses on providing reliable voltage regulation for portable and battery-operated devices. Other variants in the family may offer different output voltages or current capabilities, but share similar architectural features for efficiency and stability.

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

Check for direct pin-compatible alternatives from ETEK or other manufacturers offering 3.3V fixed output LDOs with at least 150mA capacity. Verify package compatibility and electrical specifications such as dropout voltage and quiescent current before substitution.