MIC29204YN

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Current, Adjustable Output
• Package: TO-220
• Essence: The MIC29204YN is a voltage regulator IC designed to provide a stable and adjustable output voltage with low dropout and high current capability.
• Packaging/Quantity: The MIC29204YN is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: 2.5V to 26V
• Output Voltage Range: 1.25V to 20V
• Output Current: Up to 1.5A
• Dropout Voltage: Typically 350mV at 1A load
• Quiescent Current: Typically 120µA
• Line Regulation: Typically 0.01%/V
• Load Regulation: Typically 0.04%/A
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC29204YN has the following pin configuration:

1. VIN - Input Voltage Pin
2. GND - Ground Pin
3. ADJ - Adjustable Output Voltage Pin
4. VOUT - Output Voltage Pin

Functional Features

• Low Dropout: The MIC29204YN can regulate the output voltage even when the input voltage is only slightly higher than the desired output voltage.
• High Current Capability: With a maximum output current of 1.5A, this voltage regulator can handle a wide range of applications.
• Adjustable Output: The output voltage can be adjusted using an external resistor connected to the ADJ pin.

Advantages and Disadvantages

Advantages

• Low dropout voltage allows for efficient regulation even with small input-output voltage differentials.
• High current capability makes it suitable for power-hungry applications.
• Adjustable output voltage provides flexibility in various circuit designs.

Disadvantages

• The TO-220 package may require additional heat sinking for high-power applications.
• Quiescent current of 120µA may not be ideal for low-power battery-operated devices.

Working Principles

The MIC29204YN is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage, and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The MIC29204YN can be used in various applications, including:

1. Power supplies for microcontrollers and other digital ICs.
2. Battery charging circuits.
3. Audio amplifiers.
4. LED drivers.
5. Automotive electronics.

Detailed and Complete Alternative Models

1. LM317: A popular adjustable voltage regulator with similar characteristics.
2. LT1086: Low dropout, high current linear regulator with adjustable output.
3. LM1117: Fixed output voltage regulator with low dropout and high current capability.

These alternative models offer similar functionality and can be considered as substitutes for the MIC29204YN depending on specific requirements.

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