MIC5245-2.85BM5-TR

Product Overview

Category

The MIC5245-2.85BM5-TR belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage Output: 2.85V
• Package Type: SOT-23-5
• Essence: Low dropout voltage regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

The MIC5245-2.85BM5-TR has the following specifications:

• Input Voltage Range: 2.3V to 16V
• Dropout Voltage: 150mV at 150mA
• Output Current: 150mA
• Line Regulation: ±0.1%
• Load Regulation: ±0.4%
• Quiescent Current: 40µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC5245-2.85BM5-TR has a SOT-23-5 package with the following pin configuration:

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Pin 1: VIN (Input Voltage) Pin 2: GND (Ground) Pin 3: NC (No Connection) Pin 4: VOUT (Output Voltage) Pin 5: BYP (Bypass Capacitor)

Functional Features

• Low dropout voltage: The MIC5245-2.85BM5-TR 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 typical quiescent current of 40µA, this voltage regulator minimizes power consumption in standby or low-load conditions.
• Thermal shutdown protection: The device includes built-in thermal shutdown protection to prevent damage due to excessive temperature.

Advantages and Disadvantages

Advantages

• Compact package size (SOT-23-5) allows for space-efficient integration into electronic circuits.
• Wide input voltage range (2.3V to 16V) provides flexibility in various applications.
• Low dropout voltage ensures efficient regulation even with small voltage differentials.

Disadvantages

• Limited output current (150mA) may not be suitable for high-power applications.
• No adjustable output voltage option available.

Working Principles

The MIC5245-2.85BM5-TR is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage from a voltage divider network. The pass transistor adjusts its resistance to maintain a stable output voltage despite changes in the input voltage or load conditions.

Detailed Application Field Plans

The MIC5245-2.85BM5-TR finds applications in various fields, including:

1. Portable Electronics: This voltage regulator is commonly used in battery-powered devices such as smartphones, tablets, and portable media players to ensure stable and reliable power supply.
2. Automotive Electronics: The product's wide input voltage range and compact package make it suitable for automotive applications, including infotainment systems, GPS modules, and lighting control circuits.
3. Industrial Control Systems: The voltage regulator can be employed in industrial control systems, providing regulated power for sensors, actuators, and microcontrollers.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MIC5245-2.85BM5-TR include:

1. LM1117-2.85: A popular voltage regulator with a fixed output voltage of 2.85V, available in various package options.
2. LT1763-2.85: A low dropout linear regulator offering a fixed 2.85V output voltage, known for its low noise and high PSRR (Power Supply Rejection Ratio).
3. MCP1702-285: Another voltage regulator with a fixed 2.85V output, featuring low quiescent current and thermal shutdown protection.

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

In conclusion, the MIC5245-2.85BM5-TR is a voltage regulator that offers stable and efficient voltage regulation in electronic circuits. With its low dropout voltage, compact package, and wide input voltage range, it finds applications in portable electronics, automotive systems, and industrial control. While it has limitations in terms of output current and adjustability, alternative models are available to suit different needs.