BU28JA2VG-CGTR

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

The BU28JA2VG-CGTR is a single-channel CMOS LDO regulator from ROHM Semiconductor, designed for automotive applications. It delivers a fixed output voltage of 2.8V with a maximum output current of 200mA. The device operates within an input voltage range of 1.7V to 6V and withstands up to 6.5V. Key electrical parameters include a quiescent current of 33μA, typical dropout voltage of 0.085V at 100mA, ripple rejection of 68dB, and load regulation of 0.5mV. It features ±2.0% output accuracy and requires a 0.47μF output capacitor.

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

• High-performance CMOS architecture optimized for low power consumption and superior noise characteristics.
• Integrated safety functions including shutdown control, thermal shutdown, and over-current protection.
• Compact SSOP5 package design facilitates system miniaturization for space-constrained applications.

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

• Automotive camera power supplies
• Automotive radar power supplies
• General automotive electronic systems

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

Verify the specific suffix CGTR indicates tape-and-reel packaging when ordering. Confirm AEC-Q100 qualification status aligns with functional safety requirements. Ensure the fixed 2.8V output matches the target circuit design. Check RoHS compliance documentation for regulatory adherence. Validate the SSOP5 package dimensions against PCB layout constraints.

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

Select this component for designs requiring a stable 2.8V rail with moderate current demands. The low quiescent current supports battery efficiency in standby modes. Verify that the required output capacitance of 0.47μF fits within the board area. Consider the thermal performance if operating near the upper temperature limits. Ensure input voltage remains within the specified 1.7V to 6V window.

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

This part belongs to the BU2JA2 series of automotive-grade LDO regulators. It shares the same core architecture and protection features as other variants in the family, differing primarily in fixed output voltage settings. The series is engineered to meet stringent automotive reliability standards while maintaining small form factors.

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

Direct substitutes within the same series include BU28JA2DG-CGTR, which offers identical electrical specifications but utilizes a different SOT-23-5 package. Verify pinout compatibility and thermal dissipation characteristics before swapping packages.