BD50HA3WEFJ-E2

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

The BD50HA3WEFJ-E2 is a fixed-output low-dropout (LDO) voltage regulator manufactured by ROHM Semiconductor. It provides a stable positive output of 5 V with a maximum load current capability of 300 mA. The device operates within an input voltage range of 4.5 V to 8 V and maintains regulation across a junction temperature range of -25°C to +85°C. Key electrical specifications include a typical dropout voltage of 600 mV, rising to a maximum of 900 mV under full load conditions. The unit features a line regulation of 1% and a load regulation of 1.5%, ensuring precise voltage stability. It is housed in an HTSOP-J8 surface-mount package.

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

• Provides a fixed 5 V positive output with 300 mA continuous current capacity
• Operates with a wide input voltage range from 4.5 V to 8 V
• Ensures high accuracy with 1% line regulation and 1.5% load regulation
• Features low dropout characteristics for efficient power management

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

• Portable battery-powered electronic devices requiring stable 5 V logic levels
• Embedded systems needing regulated power for microcontrollers and sensors
• Industrial control modules operating within specified temperature ranges

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

Verify the complete part number including the suffix -E2 to ensure compliance with specific manufacturing standards. Confirm that the required output voltage matches the fixed 5 V specification, as adjustable or other fixed variants exist within the same package family. Check datasheet limits for thermal dissipation relative to ambient conditions to prevent overheating during operation.

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

Select this component when a fixed 5 V supply is required with moderate current demands up to 300 mA. It is suitable for applications where input voltages vary between 4.5 V and 8 V. Consider the HTSOP-J8 package for space-constrained designs. Ensure the application environment stays within the -25°C to +85°C operating temperature range for guaranteed performance.

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

This regulator belongs to the BDxxHA3WEFJ series of LDO regulators from ROHM. These components are designed for general-purpose power management in compact electronics. The series offers various fixed output voltages while maintaining consistent package dimensions and pin configurations, facilitating design flexibility across different product lines.

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

Direct substitutes within the same series include BD33HA3WEFJ-E2 (3.3 V output) and BD18HA3WEFJ-E2 (1.8 V output), provided the system voltage requirements differ. For higher current needs, consider the BD50HC5WEFJ-E2 variant, which supports 1.5 A output in the same package.