MIC5208-3.3YMM

Product Overview

Category

MIC5208-3.3YMM belongs to the category of voltage regulators.

Use

It is commonly used to regulate and stabilize voltage levels in electronic circuits.

Characteristics

• Package: SOT-23
• Essence: Low dropout voltage regulator
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

The specifications for MIC5208-3.3YMM are as follows:

• Output Voltage: 3.3V
• Input Voltage Range: 2.5V to 16V
• Dropout Voltage: 120mV at 150mA
• Quiescent Current: 35µA
• Load Regulation: 0.1% typical
• Line Regulation: 0.05% typical
• Thermal Shutdown Protection: Yes
• Short Circuit Current Limit: 200mA

Pin Configuration

MIC5208-3.3YMM has the following pin configuration:

1. GND (Ground)
2. VIN (Input Voltage)
3. VOUT (Output Voltage)

Functional Features

• Low dropout voltage: The MIC5208-3.3YMM exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• Low quiescent current: With a quiescent current of only 35µA, this voltage regulator minimizes power consumption when the load is light.
• Thermal shutdown protection: The device incorporates thermal shutdown protection, preventing damage due to excessive temperature.
• Short circuit current limit: It features a short circuit current limit of 200mA, safeguarding the regulator and the connected circuitry from potential damage.

Advantages and Disadvantages

Advantages

• Compact package size (SOT-23) allows for easy integration into space-constrained designs.
• Wide input voltage range (2.5V to 16V) provides flexibility in various applications.
• Low dropout voltage ensures efficient regulation even with low input-output differentials.
• Low quiescent current minimizes power consumption during standby or light load conditions.
• Thermal shutdown protection prevents overheating and subsequent damage.

Disadvantages

• Limited output voltage options, as it is specifically designed for a fixed output voltage of 3.3V.
• Relatively low short circuit current limit compared to some other voltage regulators available in the market.

Working Principles

MIC5208-3.3YMM operates based on the principle of linear voltage regulation. It utilizes a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The device compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

MIC5208-3.3YMM finds application in various electronic systems where a stable 3.3V voltage supply is required. Some common application fields include:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices often require a regulated 3.3V supply for their internal circuitry.
2. Embedded systems: Microcontrollers, sensors, and other components in embedded systems often rely on a stable voltage source, making MIC5208-3.3YMM suitable for such applications.
3. Industrial automation: Control systems, motor drivers, and other industrial automation equipment can benefit from the stable voltage provided by this regulator.
4. Communication systems: Wireless routers, access points, and communication modules often require a regulated 3.3V supply for reliable operation.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MIC5208-3.3YMM are:

1. LM1117-3.3: A popular voltage regulator with a fixed 3.3V output, available in various package options.
2. MCP1700-3302E/TO: Another low dropout voltage regulator with a fixed 3.3V output, offered in a TO-92 package.
3. AMS1117-3.3: A widely used linear regulator with a fixed 3.3V output, available in different package sizes.

These alternative models can be considered based on specific requirements and design constraints.

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