BU15JA2DG-CTR

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

The BU15JA2DG-CTR is a single-channel CMOS LDO regulator from ROHM Semiconductor, housed in an SSOP-5 package. It provides a fixed 1.5V output with a maximum current of 100mA. Key electrical parameters include a typical circuit current of 80µA, input voltage range of 1.7V to 6V, and ±2.0% output voltage accuracy. The device features a typical dropout voltage of 0.085V at 100mA, ripple rejection of 68dB, and load regulation of 0.5mV. It operates within -40°C to 125°C and includes shutdown, thermal shutdown, and overcurrent protection.

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

• Automotive-grade qualification compliant with AEC-Q100 standards for functional safety support.
• Integrated shutdown function allowing precise control of power consumption via the EN pin.
• Built-in protection mechanisms including thermal shutdown and overcurrent protection to prevent damage during fault conditions.

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

• Power supply for automotive camera modules
• Power supply for automotive radar systems
• Logic IC power sources requiring low noise and high stability

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

Verify the specific suffix (CTR) indicates tape-and-reel packaging when ordering. Confirm that the 1.5V fixed output variant matches the design requirement, as other voltages exist in the BU15JA2 series. Ensure the SSOP-5 footprint aligns with the PCB layout. Check RoHS compliance status for environmental regulations. Validate that the 100mA output current meets the load demand under all operating temperature conditions.

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

Select this component for applications requiring automotive reliability and low quiescent current. The 1.5V fixed output suits digital logic or sensor interfaces needing stable voltage. Consider the 100mA limit against peak load requirements. The SSOP-5 package offers a compact solution for space-constrained designs. Verify compatibility with external output capacitors, typically 0.47µF ceramic types, for stability.

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

This part belongs to the BUxxJA2DG-C series of high-performance CMOS LDO regulators designed for automotive use. These devices are characterized by low circuit current and excellent noise characteristics. The series supports functional safety analysis, making it suitable for critical automotive electronics where reliability and safety standards are paramount.

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

BU15JA2DG-C is the non-tape version of the same device. BU28JA2DG-C offers similar performance but with different electrical characteristics. Verify pinout and package dimensions before substitution to ensure mechanical compatibility.