BU10JA2DG-CTR

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

The BU10JA2DG-CTR is a single-channel, fixed-output CMOS LDO regulator manufactured by ROHM Semiconductor. It provides a maximum output current of 200mA with a fixed voltage output and an accuracy of ±2.0%. The device operates within an input voltage range of 1.7V to 6V and features a typical ripple rejection ratio of 68dB at 1kHz. It includes a shutdown function, thermal shutdown protection, and over-current protection. The component is housed in an SSOP-5 package (SSOP5) and is qualified to AEC-Q100 standards for automotive applications. It supports a junction temperature range from -40°C to +125°C.

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

• High-performance CMOS architecture designed for low power consumption and excellent noise characteristics.
• Integrated safety features including thermal shutdown and over-current protection circuits.
• Automotive-grade qualification compliant with AEC-Q100 standards for reliability.
• Compact SSOP-5 surface mount package suitable for space-constrained designs.

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

• Power supply for automotive camera systems
• Power supply for automotive radar sensors
• General automotive electronic control units

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

Verify the specific suffix 'CTR' corresponds to the tape-and-reel packaging format required for automated assembly processes. Confirm that the fixed output voltage variant matches the system design requirements, as this part number denotes a specific voltage setting. Ensure the SSOP-5 footprint aligns with the PCB layout specifications. Check for any updated revision codes or alternate pinout configurations if replacing existing inventory. Validate compliance with RoHS directives and REACH regulations for the target market.

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

Select this component when a compact, automotive-grade LDO is needed for low-noise applications such as sensor power supplies. The 200mA output capability suits moderate load requirements while maintaining high PSRR. Consider the fixed output nature; variable voltage options exist within the same family but require different part numbers. Evaluate the thermal performance within the SSOP-5 package against the expected power dissipation. The inclusion of a shutdown pin allows for effective power management in battery-operated automotive systems.

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

This device belongs to the BU10JA2 series of CMOS LDO regulators from ROHM Semiconductor. The series is characterized by its small package size and high reliability for automotive use. Similar parts in the lineup may offer different output currents, voltages, or package types, such as the BU12JA3DG or BU28JA2DG. The 'DG' suffix typically indicates the SSOP-5 package, while 'CTR' specifies the reel packaging. This family is engineered to meet the stringent environmental and functional safety demands of modern vehicle electronics.

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

Direct substitutes within the same manufacturer's automotive LDO portfolio include other variants of the BUxxJA2DG series, provided the output voltage and current ratings match the application requirements. Cross-manufacturer replacements must be evaluated based on pin compatibility, electrical parameters, and package dimensions. Verify that any alternative component also holds AEC-Q100 qualification if used in automotive contexts. Ensure that the replacement maintains the same shutdown functionality and protection features.