BU28JA2DG-CTR

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

The BU28JA2DG-CTR is a single-channel CMOS LDO regulator with a 200mA output current, housed in an SSOP5 package. It features a maximum withstand voltage of 6.5V and operates within an input range of 1.7V to 6V. The device maintains a fixed output accuracy of ±2.0% and draws only 33µA of circuit current. Key electrical parameters include a typical dropout voltage of 0.085V at 0.1A, 68dB ripple rejection, and 0.5mV load regulation between 1mA and 100mA. It requires a 0.47µF output capacitor and supports shutdown and discharge functions.

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

• High-performance CMOS architecture designed for low power consumption and superior noise characteristics.
• Includes comprehensive protection mechanisms such as thermal shutdown and over-current protection.
• Capable of supporting functional safety analysis for automotive applications.
• Optimized for excellent load response characteristics suitable for sensitive electronic loads.

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

• Automotive camera systems
• Automotive radar sensors

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

Verify the specific suffix against official Rohm documentation to confirm packaging configuration and tape-and-reel specifications. Ensure the component meets AEC-Q100 automotive grade requirements if intended for vehicle integration. Cross-reference the exact part number with manufacturer datasheets to validate functional safety classification and operating temperature ranges before procurement.

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

Select this component when a compact 5-pin surface-mount solution is required for automotive-grade power management. It is suitable for designs needing low quiescent current and high ripple rejection in space-constrained environments. Verify that the required output voltage falls within the fixed options available in the JA2 series and that the load current does not exceed the 200mA limit.

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

This part belongs to the BU2JA2 series of CMOS LDO regulators manufactured by Rohm Semiconductor. These devices are specifically engineered for automotive electronics, offering robust performance under varying temperature conditions. The series is characterized by its small footprint and ability to drive moderate currents while maintaining stable output voltages for sensitive peripheral circuits.

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

Consult official substitution lists for compatible parts within the BU2JA2 family or equivalent automotive-grade LDOs from other manufacturers. Ensure any substitute matches the SSOP5 package dimensions and pinout configuration. Verify that alternative components meet the same AEC-Q100 reliability standards and functional safety classifications.