ROHM Semiconductor Tariff Inquiry

BU21TD3WG-TR

BU21TD3WG-TR Description

The BU21TD3WG-TR is a linear regulator IC designed and manufactured by ROHM Semiconductor, a leading provider of high-quality semiconductor solutions. This device is part of the Power Management Integrated Circuit (PMIC) category and offers a fixed output voltage of 2.1V with a maximum output current of 200mA. The regulator is designed to operate with an input voltage range up to 6V, making it suitable for a variety of low-voltage applications.

The BU21TD3WG-TR features a low dropout voltage of 0.6V at 200mA, which ensures efficient operation even when the input voltage is close to the output voltage. This characteristic is particularly beneficial in battery-powered devices where maintaining a high efficiency over the entire battery discharge cycle is crucial. The regulator also boasts a low quiescent current of 60 µA, which helps minimize power consumption in standby mode, further extending battery life.

BU21TD3WG-TR Features

• Output Type: Fixed at 2.1V, ensuring stable and consistent power supply.
• Input Voltage Range: Up to 6V, providing flexibility in power source selection.
• Output Current: 200mA, sufficient for driving small to medium-sized loads.
• Low Dropout Voltage: 0.6V at 200mA, enhancing efficiency in low-voltage applications.
• Low Quiescent Current: 60 µA, ideal for low-power and battery-operated devices.
• High PSRR: 70dB at 1kHz, ensuring excellent noise rejection and clean output voltage.
• Control Features: Enable function allows for dynamic control of the regulator's operation.
• Protection Features: Over-current and over-temperature protection safeguard the device and connected circuits.
• Mounting Type: Surface Mount, compatible with modern PCB assembly processes.
• Package: Tape & Reel (TR), facilitating easy handling and automated assembly.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory standards are met.

BU21TD3WG-TR Applications

The BU21TD3WG-TR is well-suited for a range of applications where a stable and efficient power supply is required. Its low dropout voltage and low quiescent current make it ideal for battery-powered devices, such as portable electronics, wearable technology, and IoT devices. The regulator's fixed output voltage and moderate output current are also suitable for powering microcontrollers, sensors, and other low-power peripherals.

Specific use cases include:

• Portable Electronics: Smartphones, tablets, and other mobile devices that require efficient power management.
• Wearable Technology: Fitness trackers, smartwatches, and health monitoring devices that operate on limited battery capacity.
• IoT Devices: Sensors, actuators, and other IoT nodes that need reliable and low-power operation.
• Microcontroller Power Supply: Providing a stable power source for embedded systems and microcontroller-based projects.

Conclusion of BU21TD3WG-TR

The BU21TD3WG-TR from ROHM Semiconductor is a versatile and efficient linear regulator designed to meet the demands of modern low-power applications. Its low dropout voltage, low quiescent current, and high PSRR make it an ideal choice for battery-operated devices and other applications where power efficiency and noise rejection are critical. The inclusion of over-current and over-temperature protection ensures reliable operation under various conditions. With its surface mount package and tape & reel format, the BU21TD3WG-TR is well-suited for automated assembly processes, making it a practical and efficient solution for a wide range of power management needs.