MIC5207-3.3YZ

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MIC5207-3.3YZ is a three-terminal, high-performance, low-dropout linear regulator. It provides both cost and space savings compared to traditional low dropout (LDO) solutions. This is due to its minimum quiescent current (IQ), its high input and output voltage range, and its “low power” logic controlled auto-off feature. The MIC5207-3.3YZ is well suited for applications that require low noise, fast transient response, andMergedhigh efficiency. The user-programmable current limit feature eliminates the need for fuses in many applications. This application field and working principle article explains the fundamentals and capabilities of this voltage regulator.

The MIC5207-3.3YZ is designed to provide an output voltage of 3.3 V with a minimum dropout voltage of 350 mV at 500 mA. It has an input voltage range of 1.8 V to 6 V, allowing it to handle most battery and supply rail voltages. The user-programmable current limit feature can be set by a single resistor and can be configured to shut off in either a “low power” or “high power” mode.

The MIC5207-3.3YZ is designed to run at very low quiescent currents with only 1.5 mA at an output load current of 5 mA. It has excellent line/load regulation performance and superior transient response characteristics, allowing it to meet the stringent requirements of compact and low power applications such as cellular phones and handheld computers.

The MIC5207-3.3YZ features a high power-on-resistance foldback protection circuit which reduces the output current in the event of an overload. This feature protects the device from thermal runaway and catastrophic destruction. The MIC5207-3.3YZ also features reverse polarity protection to prevent damage due to incorrect connection or power up of the device.

The MIC5207-3.3YZ is designed with an externally adjustable voltage reference, allowing the user to select the output voltage from 0.8 V to 3.6 V. The low noise performance of the device is excellent and is maintained by its low power architecture, allowing it to be used in noise-sensitive applications. The MIC5207-3.3YZ also offers excellent logic controlled auto-off shutdown when the power supply voltage is removed, and a power-up sequencing feature, allowing the circuitry to be powered up in sequence, minimizing the inrush current.

The MIC5207-3.3YZ is an ideal solution for a wide range of applications, including portable consumer electronics, handheld devices, and powering low noise analog sections of system circuits. It provides excellent performance and reliability while also offering superior cost and space savings compared to traditional linear regulators.

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