BA30DD0T

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

The BA30DD0T is a 2A fixed output Low Dropout (LDO) regulator manufactured by Rohm Semiconductor. It features a TO-220FP-3 package and provides a fixed output voltage with ±1.0% accuracy at 25°C. The device supports an input voltage range from 3V to 25V, with a maximum withstand voltage of 35V. Key electrical parameters include a typical dropout voltage of 0.45V at 2A output, 55dB ripple rejection, and 50mV load regulation. It incorporates thermal shutdown, over-current protection, and over-voltage protection. The operating temperature range spans from -40°C to 125°C.

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

• High precision fixed output voltage with ±1.0% accuracy
• Low saturation PNP output transistor for reduced dropout voltage
• Integrated thermal shutdown, over-current, and over-voltage protection circuits

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

• General purpose power supply regulation
• Battery-powered equipment requiring stable voltage rails
• Industrial control systems operating in wide temperature ranges

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

Verify the current manufacturing status as the component is listed under final sales or end-of-life procedures. Confirm package integrity and RoHS compliance upon receipt. Ensure adequate heat sinking is designed into the application due to the through-hole package and high current capability. Cross-reference datasheet revisions to confirm pinout and electrical specifications match design requirements before procurement.

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

Select this component when a fixed 3.0V output at up to 2A is required with high accuracy. The TO-220FP-3 package suits applications needing robust thermal performance without active cooling. Consider the 0.45V typical dropout voltage for efficiency in low headroom scenarios. Verify that the external output capacitor value meets the minimum requirement for stability, typically 22µF.

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

The BA30DD0T belongs to Rohm's BAxxDD0T series of 2A fixed output LDO regulators. This family utilizes PNP output transistors to achieve low saturation voltages. The series offers various fixed output voltages while maintaining consistent protection features and package options like TO-220FP-3. These regulators are designed for applications demanding reliable linear regulation with built-in safety mechanisms.

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

BA18DD0T: Same series, different fixed output voltage (1.8V). BA15DD0T: Same series, different fixed output voltage (1.5V). BAJ2DD0T: Same series, different fixed output voltage (2.0V). Verify output voltage compatibility before substitution.