BD33KA5WFP-E2

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

The BD33KA5WFP-E2 is a fixed-output low-dropout linear regulator manufactured by ROHM Semiconductor, designed for stable power supply applications. It delivers a precise 3.3 V output with a maximum continuous current capability 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, with a maximum specification of 200 mV. It provides high power supply rejection ratio performance at 50 dB and maintains a voltage regulation accuracy of 1%. The component supports surface-mount installation in a TO-252-5 package and functions reliably across an extended temperature range from -40°C to +105°C.

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

• Integrates comprehensive protection circuits including overcurrent limiting and thermal shutdown mechanisms to ensure operational reliability under fault conditions.
• Utilizes a PNP output transistor architecture to achieve ultra-low saturation voltage characteristics, enhancing efficiency in low-voltage differential scenarios.
• Delivers fixed voltage regulation with high precision accuracy, ensuring consistent power delivery for sensitive downstream electronic components.

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

• Portable consumer electronics requiring stable low-voltage power rails
• Hard disk drive (HDD) controller power management systems
• Automotive audio system circuitry
• Personal computer peripheral power distribution

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

Verify the specific manufacturer part number BD33KA5WFP-E2 against official ROHM Semiconductor documentation to confirm pinout configuration and electrical specifications. Ensure that the procurement source provides valid RoHS compliance certificates as indicated in product attributes. Cross-reference the TO-252-5 package dimensions with design constraints prior to ordering. Confirm that the supplier offers genuine components with traceable manufacturing dates to avoid counterfeit risks associated with surface-mount regulators.

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

Select this component when a fixed 3.3 V output is required with moderate current demands up to 500 mA. The low dropout characteristic makes it suitable for battery-powered applications where input voltage may approach the output level. Consider the thermal dissipation capabilities of the TO-252-5 package relative to the expected load current and ambient temperature. Verify that the input voltage range aligns with the system's power source availability and does not exceed the maximum rating of 5.5 V.

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

This device belongs to the BD33KA5WFP series of low-dropout regulators from ROHM Semiconductor. It is categorized under PMIC - Power Management ICs and specifically falls within the LDO Voltage Regulators subcategory. The component is designed for surface-mount technology (SMD/SMT) installation, facilitating automated assembly processes in modern electronics manufacturing environments.

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

Publicly confirmed substitute part numbers are not available in the provided data. Consult official ROHM Semiconductor cross-reference guides or distributor databases for compatible alternatives with matching electrical parameters and package configurations.