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BU1BUA3WNVX-TL

BU1BUA3WNVX-TL Description

The BU1BUA3WNVX-TL is a linear voltage regulator designed by ROHM Semiconductor, a leading manufacturer in the electronics industry. This regulator is part of the Linear & Switching Voltage Regulators category and is specifically tailored for applications requiring a fixed output voltage of 1.15V and a maximum output current of 300mA. The device is housed in a compact SSON004X1010 package, making it suitable for surface mount applications. Despite its small form factor, the BU1BUA3WNVX-TL offers robust performance and a range of features that make it a reliable choice for various electronic designs.

BU1BUA3WNVX-TL Features

• Output Type: Fixed
• Voltage - Input (Max): 5.5V
• Voltage - Output (Min/Fixed): 1.15V
• Current - Output: 300mA
• Number of Regulators: 1
• Output Configuration: Positive
• Voltage Dropout (Max): 0.7V @ 300mA
• Current - Quiescent (Iq): 90 µA
• PSRR: 70dB (1kHz)
• Control Features: Enable
• Protection Features: Over Current, Over Temperature
• Package: Tape & Reel (TR)
• Mounting Type: Surface Mount
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• REACH Status: REACH Unaffected
• RoHS Status: ROHS3 Compliant
• ECCN: EAR99
• HTSUS: 8542.39.0001

The BU1BUA3WNVX-TL stands out due to its low dropout voltage of 0.7V at 300mA, which ensures efficient operation even when the input voltage is close to the output voltage. This feature is particularly beneficial in applications where power supply voltage levels are limited or where battery life needs to be maximized. The regulator also boasts a high power supply rejection ratio (PSRR) of 70dB at 1kHz, which helps in reducing noise and ripple in the output voltage, ensuring clean and stable power delivery to sensitive circuits.

BU1BUA3WNVX-TL Applications

The BU1BUA3WNVX-TL is ideal for a variety of applications that require a stable and reliable power supply. Its fixed output voltage of 1.15V and maximum output current of 300mA make it suitable for powering low-voltage microcontrollers, sensors, and other small electronic devices. The enable control feature allows for easy control of the regulator's operation, making it suitable for applications where power management is critical.

Some specific use cases include:

• Battery-powered devices: The low dropout voltage ensures efficient operation even as the battery voltage drops.
• Microcontroller power supplies: The stable output voltage and low noise characteristics make it ideal for providing clean power to sensitive microcontroller circuits.
• Sensor modules: The compact size and surface mount package make it easy to integrate into small sensor modules and IoT devices.

Conclusion of BU1BUA3WNVX-TL

The BU1BUA3WNVX-TL from ROHM Semiconductor is a high-performance linear voltage regulator that offers a range of features and benefits tailored for modern electronic designs. Its low dropout voltage, high PSRR, and compact surface mount package make it an excellent choice for applications requiring stable and efficient power delivery. While the product is marked as "Not For New Designs," its existing applications continue to benefit from its reliable performance and robust features. For designers looking for a reliable and efficient power solution, the BU1BUA3WNVX-TL remains a compelling option.