MIC5321-SSYMT-TR

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MIC5321-SSYMT-TR Voltage Regulator Overview

The MIC5321-SSYMT-TR is a linear voltage regulator that is designed specifically to provide a regulated output voltage of 3.3V and can accept an input voltage range of 2.3V to 5.5V. It features high-accuracy voltage regulation and low dropout voltage, making it ideal for low-voltage battery-powered applications. This regulator is capable of delivering up to 100mA of current, making it suitable for many applications such as microprocessors, memory, and DSP systems.

FEATURES OF MIC5321-SSYMT-TR

• Wide input voltage range of 2.3V to 5.5V
• Output voltage range of 2V to 5.5V
• Current limit ±25mA with 8ms transient period
• Output voltage accuracy ±3.0% over line, load and temperature
• Low dropout voltage of 200mV
• 600µA quiescent current
• Stable with ceramic capacitors
• Thermal shutdown and current limit protection

APPLICATIONS

The MIC5321-SSYMT-TR linear voltage regulator has been developed for a wide range of applications that require a low voltage dropout and a regulated output voltage. Some of the most common applications include:

• Computers: The MIC5321-SSYMT-TR can be used to provide power to internal components on a computer, such as CMOS memory, processors, and other logic ICs.
• Memory devices: This regulator can be used to provide power to SRAM and NAND memory devices.
• Consumer electronics: The MIC5321-SSYMT-TR is an ideal solution for powering digital cameras and other portable consumer electronics devices.
• Medical equipment: The low dropout voltage and high accuracy of this regulator make it well suited for powering medical equipment.

Working Principle

The MIC5321-SSYMT-TR is a p-channel linear voltage regulator. Its working principle is quite simple - when the input voltage is greater than the output voltage, the regulator will turn on the p-channel MOSFET, thus allowing current to flow from the input to the output. As the name implies, the output voltage remains constant regardless of the load current or input voltage, thus providing a stable and predictable output. The voltage regulator also features a current limiting setting, which is adjustable via the external control terminal. This allows the device to operate safely in the event of a sudden increase in load current or drop in input voltage.

The MIC5321-SSYMT-TR also has a thermal shutdown feature, which is designed to protect the device from overheating due to prolonged high temperatures or heavy load currents. When the temperature exceeds approximately +150°C, the device will shut down until the temperature drops below this level.

The MIC5321-SSYMT-TR is a versatile and cost-effective linear voltage regulator which is suitable for a wide range of applications. It features a low dropout voltage, high accuracy voltage regulation, and a wide input voltage range. These features make the MIC5321-SSYMT-TR a great choice for powering low-voltage battery powered applications such as microprocessors, memory, and DSP systems.

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