BD33FA1FP3-ZTL

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

The BD33FA1FP3-ZTL is a fixed-output Low Dropout (LDO) voltage regulator manufactured by ROHM Semiconductor. It provides a stable 3.3 V output with a maximum continuous load current of 100 mA. The device operates within an input voltage range of 6.3 V to 25 V and features a typical dropout voltage of 1 V at full load. It is housed in a compact SOT-89-3 surface-mount package. The regulator maintains a line regulation of 0.5% and a load regulation of 0.5%, ensuring consistent performance across varying conditions. It supports an operating temperature range from -25 °C to +85 °C.

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

• Fixed 3.3 V output with high accuracy for stable power supply applications
• Low dropout characteristic enabling efficient operation with minimal input-to-output voltage difference
• Compact SOT-89-3 package design suitable for space-constrained printed circuit board layouts

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

• Industrial control systems requiring reliable low-noise power regulation
• Consumer electronics utilizing standard 3.3 V logic levels
• Embedded systems needing stable voltage sources for microcontrollers and sensors

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

Verify the specific suffix ZTL against official ROHM documentation to confirm packaging and tape-and-reel specifications. Ensure compatibility with RoHS directives if required by your manufacturing standards. Cross-reference the part number with authorized distributors to avoid counterfeit components. Confirm thermal management requirements based on the specified power dissipation limits in the datasheet before finalizing procurement plans.

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

Select this component when a fixed 3.3 V rail is needed with moderate current demands up to 100 mA. It is suitable for designs where input voltages vary between 6.3 V and 25 V. Consider the SOT-89-3 package constraints regarding thermal dissipation and PCB layout. This regulator is appropriate for industrial and commercial environments operating within the specified temperature range without requiring adjustable output configurations.

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

This part belongs to the BDxxFA1FP3 series of fixed-output LDO regulators from ROHM. The series is designed for general-purpose power management tasks. The BD33FA1FP3-ZTL specifically targets applications requiring a precise 3.3 V output. It complements other variants in the family that offer different voltage outputs or higher current capabilities, providing a standardized solution for common voltage rails in electronic circuits.

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

Check for direct pin-compatible alternatives within the same ROHM BDxxFA1FP3 series. Verify that any substitute matches the 3.3 V output, 100 mA current rating, and SOT-89-3 package dimensions. Ensure electrical parameters such as dropout voltage and regulation accuracy meet or exceed the original specifications.