MIC5209YM-TR

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MIC5209YM-TR is a low dropout voltage regulator (LDO) from Microchip Technology. It’s a fixed voltage 3.3V regulator in the Linear regulator category. It uses the popular 2-pin SOT-23 package, and is economical for cost-sensitive designs.

The MIC5209YM-TR is especially useful for portable products due to its low quiescent current, good line and load regulation, and time-tested architecture. The device has an impressive 0.2-Ω series resistor that offers 10-mA regulator standby current, while still operating in normal operating conditions. Also, the device can tolerate up to 8-V input voltage, making it suitable for automotive and batteries applications.

The device operates in a variety of conditions, ranging from low output voltage to very high output voltage, and can operate in temperatures ranging from -30°C to 105°C. This makes it ideal for applications in the automotive, industrial, medical, and consumer electronics industries. The MIC5209YM-TR is also a good choice for industrial process control, automation control, and other applications where a low dropout voltage regulator is needed.

In terms of functional architecture, the MIC5209YM-TR operates using an external transistor, an internal error amplifier, and an internal reference voltage. The circuit provides good line regulation by sensing the input voltage and regulating the internal transistor accordingly. The error amplifier then adjusts the base current of the transistor to keep the output voltage at the desired level. Additionally, the reference voltage is set using a resistor divider. A feedback pin is provided to adjust the output voltage of the device.

The MIC5209YM-TR offers several additional features for improved design performance. These include an EN/Sync pin which can be used to disable the regulation loop when the device is not in operation. It also has an EOC (Ease of Connect) pin which allows the output voltage to be remotely sensed. This is a useful feature for applications where the regulator is located in a remote location.

The MIC5209YM-TR is a versatile and cost-effective voltage regulator designed specifically for cost-sensitive applications. Its low quiescent current, good line and load regulation, and wide operating temperature range make it a great choice for automotive and industrial applications. Also, its EOC and EN/SYNC pins provide additional flexibility for remote sensing and disabling the regulation loop. This makes the MIC5209YM-TR an ideal choice for many cost-sensitive designs.

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