BD30KA5WFP-E2

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

The BD30KA5WFP-E2 is a positive polarity low-dropout (LDO) voltage regulator manufactured by ROHM Semiconductor. It provides a fixed output voltage of 3 V with a maximum output current capability of 500 mA. The device operates within an input voltage range from 2.3 V to 5.5 V and features a typical dropout voltage of 120 mV, with a maximum specified at 200 mV. It offers high ripple rejection of 50 dB and maintains a voltage regulation accuracy of 1%. The component is housed in a TO-252-5 surface-mount package and supports an operating temperature range from -40°C to +105°C.

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

• Integrated overcurrent protection and thermal shutdown circuits for enhanced reliability
• Low saturation design enabling stable operation with minimal voltage drop
• High ripple rejection ratio for effective noise suppression in power lines

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

• Local power supply regulation for portable electronic devices
• Power management in automotive audio systems
• Voltage regulation for hard disk drives and optical disc drives
• Power conditioning for personal computers and digital video equipment

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

Verify the specific suffix E2 against the manufacturer's latest datasheet to confirm compliance with current environmental standards and pinout configurations. Ensure the TO-252-5 package footprint matches the target PCB layout. Confirm that the fixed 3 V output aligns with the system requirements, as adjustable variants exist within the same series family.

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

Select this component when a fixed 3 V rail is required with moderate current demands up to 500 mA. The wide operating temperature range makes it suitable for industrial or automotive environments where standard commercial grade parts may fail. Consider the low dropout characteristic if the input voltage source is close to the desired output level, ensuring efficient power transfer without excessive heat generation.

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

This part belongs to the BD30KA5WFP series of secondary LDO regulators designed for miniaturization and energy efficiency. These regulators are characterized by their compact TO-252-5 packaging and built-in protection mechanisms. The series targets applications requiring stable, low-noise power supplies in consumer electronics and automotive infotainment systems, offering a balance between performance and cost-effectiveness.

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

BD30KA5WFP: Previous generation version with identical electrical specifications but potentially different environmental compliance status.