MIC2779H-1BM5-TR

Product Overview

Category

The MIC2779H-1BM5-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 MIC2779H-1BM5-TR provides precise voltage regulation, ensuring stable power supply to connected components.
• Low dropout voltage: It operates with a low dropout voltage, minimizing power loss and maximizing efficiency.
• Current limiting: The device incorporates current limiting functionality, protecting the circuit from excessive current flow.
• Thermal shutdown: In case of overheating, the MIC2779H-1BM5-TR has a built-in thermal shutdown feature that prevents damage to the device.

Package

The MIC2779H-1BM5-TR comes in a small surface-mount package, making it suitable for compact electronic designs.

Essence

The essence of the MIC2779H-1BM5-TR lies in its ability to provide reliable and stable voltage regulation, ensuring proper functioning of electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Input voltage range: 2.7V to 5.5V
• Output voltage options: Adjustable or fixed (e.g., 1.8V, 2.5V, 3.3V)
• Maximum output current: 500mA
• Dropout voltage: 200mV at 100mA load
• Quiescent current: 40µA
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The MIC2779H-1BM5-TR has the following pin configuration:

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

Functional Features

• Voltage regulation: The MIC2779H-1BM5-TR maintains a stable output voltage regardless of input voltage fluctuations.
• Current limiting: It protects the circuit by limiting the maximum current that can flow through it.
• Thermal shutdown: In case of excessive temperature, the device shuts down to prevent damage.

Advantages and Disadvantages

Advantages

• Precise voltage regulation ensures reliable performance of connected components.
• Low dropout voltage minimizes power loss and improves efficiency.
• Current limiting protects the circuit from overcurrent situations.
• Thermal shutdown prevents damage due to overheating.

Disadvantages

• Limited maximum output current of 500mA may not be suitable for high-power applications.
• Fixed output voltage options may limit flexibility in certain designs.

Working Principles

The MIC2779H-1BM5-TR operates as a linear voltage regulator. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage. By controlling the pass transistor, it regulates the voltage drop across itself, ensuring a stable output voltage.

Detailed Application Field Plans

The MIC2779H-1BM5-TR finds application in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Wearable devices - IoT devices

Detailed and Complete Alternative Models

Some alternative models to the MIC2779H-1BM5-TR include: - MIC5205: Low dropout voltage regulator with adjustable output voltage. - LT1763: High-performance linear regulator with low dropout voltage and adjustable output voltage. - TPS7A47: Ultra-low noise linear regulator with adjustable output voltage.

These alternative models offer similar functionality and can be considered based on specific design requirements.

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