BD15KA5WFP-E2

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

The BD15KA5WFP-E2 is a fixed-output low-dropout (LDO) voltage regulator manufactured by ROHM Semiconductor. It provides a stable 1.5 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 voltage regulation accuracy within ±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

• Integrates an ON/OFF switch that reduces circuit current to 0 μA during shutdown mode for enhanced power efficiency.
• Includes built-in overcurrent protection circuits to prevent IC damage caused by output short circuits.
• Features thermal shutdown protection to safeguard the device against overheating under overload conditions.

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

• Local power supply units for television sets
• Power management in personal computers
• HDD and DVD drive subsystems
• Automotive audio equipment

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

Verify the specific suffix E2 to confirm compliance with RoHS directives and lead time requirements. Confirm the TO-252-5 package variant matches your PCB footprint design. Ensure the fixed 1.5 V output aligns with your system voltage rails. Check for any automotive qualification restrictions as this is classified as a standard-grade product not recommended for vehicle use.

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

Select this component when a compact, low-saturation regulator is required for 500 mA loads with tight voltage tolerance. The TO-252-5 package suits applications needing moderate heat dissipation in space-constrained designs. Consider the 2.3 V minimum input voltage constraint for battery-powered systems. The integrated shutdown function makes it suitable for portable devices requiring extended standby life.

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

This part belongs to the BD15KA5WFP series of secondary LDO regulators designed for small, energy-saving devices. The series emphasizes low noise and stable operation for local power supplies. It complements other variants in the lineup that offer different output voltages and package options, maintaining consistent protection features across the family.

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

Direct substitutes include other ROHM parts within the same BD15KA5WFP series offering identical 500 mA current ratings and TO-252-5 packaging. Verify pin compatibility and thermal characteristics when cross-referencing with generic LDO regulators from other manufacturers.