BD25KA5WF-E2

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

The BD25KA5WF-E2 is a fixed-output low-dropout regulator manufactured by ROHM Semiconductor. It provides a stable 2.5 V output with a maximum current capacity of 500 mA. The device operates within an input voltage range of 2.3 V to 5.5 V and features a typical dropout voltage of 120 mV at 0.2 A load. It offers high ripple rejection of 50 dB and maintains output accuracy within ±1%. Integrated protection mechanisms include thermal shutdown and overcurrent protection. The component is housed in an SOP-8 surface-mount package and supports operation across a temperature range of -40°C to +105°C.

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

• Provides a fixed 2.5 V output with ±1% accuracy for precise power supply requirements
• Integrates thermal shutdown and overcurrent protection circuits to prevent IC damage during fault conditions
• Features a shutdown function that allows for effective power management in battery-operated applications

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

• Portable electronic devices requiring efficient local power regulation
• Battery-powered equipment utilizing low-voltage input sources
• General-purpose linear voltage regulation in consumer electronics

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

Verify the specific suffix E2 to confirm compliance with RoHS directives and lead-free manufacturing standards as specified by the manufacturer. Ensure the SOP-8 package variant matches the intended PCB footprint and thermal design requirements. Confirm that the fixed 2.5 V output aligns with the target circuit's voltage specifications before procurement.

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

Select this component when a fixed 2.5 V rail is required with moderate current demands up to 500 mA. The wide operating temperature range makes it suitable for industrial or automotive-grade environments outside of strict automotive certification scopes. Consider the SOP-8 package for space-constrained designs requiring surface-mount assembly.

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

This part belongs to the BD25KA5 series of secondary LDO regulators from ROHM, designed for low-noise and stable power supply applications. The series targets miniaturization and energy efficiency in various digital appliances. The BD25KA5WF-E2 specifically denotes the fixed 2.5 V output version in the SOP-8 package with environmental compliance suffixes.

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

BD25KA5W is listed as an alias for this component. Verify pin compatibility and electrical specifications before substituting with other LDO regulators offering similar 2.5 V outputs and SOP-8 packages.