BA33JC5T

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

The BA33JC5T is a fixed-output Low Dropout (LDO) regulator from Rohm Semiconductor, designed for applications requiring stable voltage regulation with high efficiency. It delivers a maximum output current of 1.5A and features a typical dropout voltage of 0.3V at an output current of 0.5A. The device offers a voltage accuracy of ±1.0% at 25°C and includes built-in thermal shutdown and over-current protection circuits to ensure reliable operation under fault conditions. It operates within an input voltage range of 4.3V to 16V and withstands up to 18V. The component is housed in a TO220FP-3 package and supports an operating temperature range from -40°C to 105°C.

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

• Fixed output voltage configuration with high precision accuracy
• Low dropout voltage characteristic for efficient power conversion
• Integrated thermal shutdown and over-current protection mechanisms

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

• General purpose linear voltage regulation in electronic circuits
• Power supply stages requiring stable DC output from higher voltage sources
• Industrial equipment power management systems

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

Verify the specific datasheet version and manufacturing status before procurement, as this component may be subject to end-of-life notices or obsolescence warnings. Confirm that the TO220FP-3 package dimensions and pinout match your PCB footprint requirements. Ensure that the fixed output voltage variant corresponds exactly to your system design needs, as other variants in the series offer different voltage levels. Check for RoHS compliance documentation if required by your regulatory standards.

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

Select the BA33JC5T when a fixed output voltage is required with minimal external components. Its low dropout voltage makes it suitable for applications where the input voltage is close to the desired output level. The integrated protection features reduce the need for additional circuitry for fault handling. Consider the thermal performance in the TO220FP-3 package, which may require adequate heatsinking for sustained high-load operations to maintain reliability within the specified temperature range.

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

The BA33JC5T belongs to Rohm's family of 1.5A variable/fixed output LDO regulators. This series is characterized by PNP output transistors that enable low saturation voltage operation. The components are designed for robustness in industrial and commercial environments, offering high ripple rejection and precise load regulation. The TO220FP-3 package provides a balance between thermal dissipation capabilities and mounting convenience for through-hole applications.

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

Direct substitutes within the same series include BA15JC5T, BA25JC5T, BA80JC5T, and BA90JC5T, which share identical packaging and protection features but differ in their fixed output voltage settings. When replacing, ensure the new part's output voltage matches the original design requirement. Verify that the thermal characteristics and pinout compatibility remain unchanged across the selected substitute.