BD33FC0FP-E2

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

The BD33FC0FP-E2 is a fixed-output low-dropout (LDO) voltage regulator manufactured by ROHM Semiconductor. It provides a stable 3.3 V output with a maximum current capability of 1 A. The device operates within an input voltage range of 4 V to 26.5 V and features a typical dropout voltage of 400 mV, with a maximum of 700 mV. It maintains a voltage regulation accuracy of ±1% at 25°C. The component is housed in a TO-252-3 surface-mount package and supports an operating temperature range from -25°C to +85°C.

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

• Integrates over-current protection circuits to prevent IC destruction during output short circuits.
• Includes thermal shutdown circuitry to protect against damage caused by excessive heat due to overloading.
• Utilizes PDMOS output technology to achieve low saturation voltage characteristics.

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

• General-purpose power supply circuits requiring stable 3.3 V rails
• Battery-powered devices utilizing low-saturation regulators for efficiency
• Embedded systems needing built-in short-circuit and thermal protection

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

Verify the specific suffix E2 to confirm RoHS compliance and lead-free status as indicated in official documentation. Confirm the TO-252-3 package variant matches your PCB footprint requirements. Ensure the fixed 3.3 V output aligns with system voltage needs, as adjustable versions exist within the same series family. Cross-reference the manufacturer part number BD33FC0FP-E2 directly with authorized distributors to avoid counterfeit components.

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

Select this component when a 1 A output current is required with a fixed 3.3 V rail. The TO-252-3 package offers a balance between thermal performance and board space. Consider the -25°C to +85°C operating range for industrial or commercial applications. The built-in protection features reduce the need for external safety components, simplifying the design compared to unprotected linear regulators.

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

This device belongs to the BDxxFC0 series of low-saturation regulators from ROHM Semiconductor. The series includes various fixed output voltages such as 3.0 V, 5.0 V, and 12.0 V. These regulators are designed for high efficiency and stability in compact power management solutions. The BD33FC0FP-E2 specifically targets applications requiring reliable 3.3 V generation with robust internal protection mechanisms.

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

The part number alias BD33FC0FP refers to the same functional device without the environmental suffix. Verify pin compatibility if substituting with other LDOs in the TO-252-3 package. Ensure replacement parts support similar current ratings and dropout voltages to maintain system performance.