MIC5249-3.3YMM-TR

Product Overview

Category

MIC5249-3.3YMM-TR belongs to the category of voltage regulators.

Use

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

Characteristics

• Input Voltage Range: 2.5V to 16V
• Output Voltage: 3.3V
• Maximum Output Current: 150mA
• Low Dropout Voltage: 120mV at 100mA
• Low Quiescent Current: 40µA
• Thermal Shutdown Protection
• Short Circuit Current Limit
• Small Package Size: SOT-23-5

Packaging/Quantity

The MIC5249-3.3YMM-TR is available in a SOT-23-5 package. It is typically sold in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage: 3.3V ±2%
• Maximum Output Current: 150mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Line Regulation: 0.05%/V
• Load Regulation: 0.1%/mA
• Ripple Rejection: 70dB
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23-5

Pin Configuration

The MIC5249-3.3YMM-TR has the following pin configuration:

```

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| | --| V+ |-- --| |-- --| GND|-- --| |-- --| Vout|-- |____| ```

Pin Descriptions: - V+: Input Voltage - GND: Ground - Vout: Output Voltage

Functional Features

1. Voltage Regulation: The MIC5249-3.3YMM-TR provides a stable output voltage of 3.3V, regardless of input voltage fluctuations.
2. Low Dropout Voltage: With a dropout voltage as low as 120mV at 100mA, it minimizes power dissipation and improves efficiency.
3. Low Quiescent Current: The regulator has a low quiescent current of 40µA, reducing power consumption in standby or idle modes.
4. Thermal Shutdown Protection: It incorporates thermal shutdown protection to prevent damage due to excessive temperature.
5. Short Circuit Current Limit: The device features a short circuit current limit to protect the regulator and connected components from damage.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Low dropout voltage ensures efficient power conversion.
• Small package size enables space-saving designs.
• Thermal shutdown protection prevents overheating.
• Short circuit current limit protects against damage.

Disadvantages

• Limited maximum output current of 150mA may not be suitable for high-power applications.
• Output voltage fixed at 3.3V may not meet the requirements of all circuits.

Working Principles

The MIC5249-3.3YMM-TR is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage of 3.3V. The dropout voltage is minimized by using a low resistance pass transistor. The regulator also includes protection features such as thermal shutdown and short circuit current limit to ensure safe operation.

Application Field Plans

The MIC5249-3.3YMM-TR can be used in various electronic applications, including but not limited to: 1. Battery-powered devices: It can regulate the voltage for portable electronic devices, such as smartphones, tablets, and wearable devices. 2. IoT devices: The regulator can be used in Internet of Things (IoT) devices that require a stable power supply. 3. Industrial control systems: It is suitable for powering microcontrollers, sensors, and other components in industrial control systems. 4. Automotive electronics: The regulator can be utilized in automotive applications, providing a stable voltage for various electronic modules.

Alternative Models

1. MIC5205-3.3YM5-TR: This voltage regulator offers similar specifications and package size to the MIC5249-3.3YMM-TR.
2. LP2985-33DBVR: Another alternative with comparable characteristics and package type.
3. XC6206P332MR: This model provides a slightly lower maximum output current but shares the same SOT-23-5 package.

These alternative models can be considered based on specific application requirements and availability.

In conclusion, the MIC5249-3.3YMM-TR is a voltage regulator with a wide input voltage range, low dropout voltage,