BD15HA5WEFJ-E2

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

The BD15HA5WEFJ-E2 is a fixed-output low-dropout (LDO) voltage regulator manufactured by ROHM Semiconductor. It provides a stable positive output voltage of 1.5 V with a maximum continuous output current of 0.5 A. The device operates within an input voltage range of 4.5 V to 8 V and supports surface-mount installation in an HTSOP-J8 package. It maintains operation across a temperature range of -25°C to +85°C, featuring a typical dropout voltage of 600 mV and a maximum power dissipation of 2.11 W.

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

• Provides a fixed positive output voltage for precise power supply requirements
• Supports high-current delivery up to 0.5 A for demanding loads
• Operates with low dropout voltage to maintain regulation under varying input conditions
• Designed for automotive applications ensuring reliability in harsh environments

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

• Automotive electronic systems requiring stable 1.5 V logic supplies
• Power management circuits in mobile devices
• Embedded control units needing regulated low-voltage rails
• Industrial sensor interfaces powered by single-supply sources

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

Verify the complete part number including the suffix to ensure correct packaging and specifications. Confirm RoHS compliance status through official manufacturer documentation before integration. Check for automotive qualification certifications if used in safety-critical systems. Ensure sourcing from authorized distributors to guarantee component authenticity and traceability.

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

Select this regulator when a fixed 1.5 V output is required with moderate current capability. Consider the input voltage range limits and thermal dissipation capabilities for your specific application. Compare dropout characteristics against other LDO options to ensure adequate headroom. Verify package compatibility with existing PCB layouts and assembly processes.

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

This component belongs to the BDxxHA5WEFJ series of automotive-grade LDO regulators from ROHM. These devices are designed for high-reliability applications in the automotive sector. The series offers various fixed output voltages while maintaining consistent performance characteristics and package dimensions for design flexibility.

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

Direct substitutes include other members of the BDxxHA5WEFJ family with different fixed output voltages, such as BD12IA5WEFJ-E2 or BD33HA5WEFJ-E2, provided the voltage requirement changes. Cross-family replacements require careful verification of pin compatibility, current ratings, and thermal performance.