BA33D18HFP-TR

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

The BA33D18HFP-TR is a dual-output linear voltage regulator IC from Rohm Semiconductor, housed in an HRP-5 surface-mount package. It provides two fixed positive output voltages with a maximum load current of 500mA per channel. Key electrical specifications include a maximum dropout voltage of 250 mV and an input bias current of 700 uA. The device features a load regulation of 75 mV and offers high accuracy with a tolerance of ±2% for the 3.3 V output configuration.

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

• Dual independent output channels for simultaneous power supply generation
• Low dropout operation enabling efficient voltage regulation under varying load conditions
• Fixed output voltage configuration ensuring stable DC power delivery

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

• Portable electronic devices requiring multiple regulated voltage rails
• Battery-powered systems needing low quiescent current consumption
• Embedded circuits utilizing secondary LDO regulators for noise-sensitive components

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

Verify the specific output voltage configuration against the datasheet, as the BA33D series includes various fixed voltage options. Confirm the HRP-5 package marking and tape-and-reel packaging details match your assembly requirements. Ensure compatibility with your PCB footprint design for the five-pin tab configuration.

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

Select this component when dual isolated or non-isolated outputs are required from a single regulator unit. Consider the 500mA current limit per channel to ensure adequate headroom for your application loads. Evaluate the thermal performance of the HRP-5 package relative to your expected power dissipation and ambient temperature conditions.

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

This part belongs to the BA33Dxx series of dual low-dropout voltage regulators manufactured by Rohm Semiconductor. These regulators are designed for applications requiring compact solutions with minimal external components. The series emphasizes low power consumption and stable operation, making it suitable for modern portable electronics where space and efficiency are critical constraints.

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

Check for direct pin-compatible substitutes within the BA33D family that match the required output voltages. Verify if alternative manufacturers offer dual-output LDOs with similar current ratings and package dimensions. Ensure any replacement maintains the same dropout voltage characteristics and thermal resistance values.