MIC2776L-BM5-TR

Product Overview

Category

The MIC2776L-BM5-TR belongs to the category of voltage regulators.

Use

This product is commonly used in electronic devices to regulate and stabilize voltage levels.

Characteristics

• Voltage regulation: The MIC2776L-BM5-TR provides precise voltage regulation, ensuring stable power supply to connected components.
• Low dropout voltage: This regulator has a low dropout voltage, minimizing power loss and maximizing efficiency.
• Small package size: The MIC2776L-BM5-TR comes in a compact package, making it suitable for space-constrained applications.
• High current capability: With its high current handling capacity, this voltage regulator can support demanding loads.
• Thermal shutdown protection: The device incorporates thermal shutdown protection, preventing damage due to excessive heat.

Package and Quantity

The MIC2776L-BM5-TR is available in a small 5-pin SOT-23 package. It is typically sold in reels containing a quantity of 3000 units.

Specifications

• Input voltage range: 2.7V to 5.5V
• Output voltage options: Fixed or adjustable (1.2V to 5.5V)
• Dropout voltage: 150mV at 100mA load
• Maximum output current: 500mA
• Quiescent current: 45µA
• Operating temperature range: -40°C to +125°C

Pin Configuration

The MIC2776L-BM5-TR features the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin (active high)
4. FB: Feedback pin for adjustable output voltage
5. VOUT: Output voltage pin

Functional Features

• Voltage regulation: The MIC2776L-BM5-TR maintains a stable output voltage regardless of input voltage fluctuations.
• Enable control: The enable pin allows for easy on/off control of the regulator.
• Adjustable output voltage: By connecting an external resistor divider to the feedback pin, the output voltage can be adjusted within a specified range.
• Overcurrent protection: The device incorporates overcurrent protection, safeguarding connected components from excessive current.

Advantages and Disadvantages

Advantages

• Precise voltage regulation ensures stable power supply to sensitive electronic components.
• Low dropout voltage minimizes power loss and improves overall efficiency.
• Small package size makes it suitable for space-constrained applications.
• High current capability supports demanding loads.
• Thermal shutdown protection prevents damage due to excessive heat.

Disadvantages

• Limited output current capacity compared to higher-rated regulators.
• Requires additional external components for adjustable output voltage configuration.

Working Principles

The MIC2776L-BM5-TR operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the difference between the reference voltage and the feedback voltage. The feedback voltage is obtained by dividing the output voltage using an external resistor divider network. The regulator continuously adjusts the pass transistor to maintain a constant output voltage, compensating for changes in the input voltage and load conditions.

Application Field Plans

The MIC2776L-BM5-TR finds application in various electronic devices, including but not limited to: - Mobile phones - Portable media players - Digital cameras - Wireless communication devices - Battery-powered devices

Alternative Models

For those seeking alternative options, the following models provide similar functionality to the MIC2776L-BM5-TR: - MIC5205-3.3YM5-TR - LT1761ES5-3.3#TRMPBF - TPS79333DBVR

These alternatives offer comparable voltage regulation, package size, and current handling capabilities.

In conclusion, the MIC2776L-BM5-TR is a versatile voltage regulator that provides precise voltage regulation, low dropout voltage, and thermal shutdown protection. Its small package size and high current capability make it suitable for various electronic applications. However, it has limited output current capacity compared to higher-rated regulators. The working principle involves using a pass transistor and feedback mechanism to maintain a stable output voltage. Alternative models such as MIC5205-3.3YM5-TR, LT1761ES5-3.3#TRMPBF, and TPS79333DBVR offer similar functionality.