MIC29502WU-TR: A High-Accuracy 150mA Low-Dropout Voltage Regulator

In the realm of power management, precision and reliability are paramount. The MIC29502WU-TR from Microchip Technology stands out as a robust 150mA low-dropout (LDO) voltage regulator engineered for applications demanding high accuracy and exceptional performance. This component is specifically designed to provide a stable and clean output voltage, even when the input voltage is very close to the output level, making it indispensable in power-sensitive systems.

A key feature of the MIC29502WU-TR is its extremely low dropout voltage, typically 50mV at 100mA load. This allows the regulator to maintain regulation with minimal headroom, enhancing efficiency and extending battery life in portable devices. Its high accuracy is evidenced by the tight output voltage tolerance of ±0.5%, ensuring consistent performance critical for precision analog and digital circuits.

The device incorporates advanced protection mechanisms to safeguard both the regulator and the load. These include current limiting to prevent damage during overload conditions and thermal shutdown to protect against excessive junction temperatures. Additionally, the MIC29502WU-TR offers reverse battery protection, making it resilient in automotive and industrial environments where fault conditions may occur.

Another notable advantage is its low quiescent current, which minimizes power loss when the load is light. This characteristic is particularly beneficial for battery-operated equipment such as IoT sensors, handheld instruments, and medical devices, where power conservation is crucial. The regulator also exhibits excellent line and load transient response, maintaining stability across varying operating conditions.

Housed in a space-saving SOT-223 package, the MIC29502WU-TR is suitable for compact PCB designs. Its ability to operate over a wide input voltage range and temperature span further underscores its versatility across diverse applications, from consumer electronics to automotive systems.

ICGOOODFIND: The MIC29502WU-TR is an ideal choice for designers seeking a high-accuracy, low-dropout voltage regulator with robust protection features and efficiency, suitable for precision power management in space-constrained and battery-powered applications.

Keywords:

Low-Dropout (LDO) Regulator

High Accuracy

150mA Output Current

Low Dropout Voltage

Thermal Shutdown Protection