MIC4807BN

Product Overview

• Category: Integrated Circuit
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Current, Adjustable Output
• Package: DIP (Dual Inline Package)
• Essence: Linear Voltage Regulator
• Packaging/Quantity: Tube/50 units per tube

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 15V
• Output Current: Up to 1A
• Dropout Voltage: 300mV at 1A
• Quiescent Current: 75µA
• Line Regulation: 0.02%/V
• Load Regulation: 0.04%/A
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC4807BN has a standard dual inline package (DIP) with 8 pins. The pin configuration is as follows:

1. VOUT: Output Voltage
2. GND: Ground
3. ADJ: Voltage Adjustment
4. VIN: Input Voltage
5. NC: No Connection
6. NC: No Connection
7. NC: No Connection
8. NC: No Connection

Functional Features

• Low dropout voltage allows operation with small input-output differentials.
• High output current capability of up to 1A.
• Adjustable output voltage provides flexibility in various applications.
• Excellent line and load regulation ensures stable output voltage under varying conditions.
• Thermal shutdown and current limit protection features enhance device reliability.

Advantages and Disadvantages

Advantages: - Low dropout voltage enables efficient power conversion. - High output current capability suits a wide range of applications. - Adjustable output voltage offers versatility. - Excellent line and load regulation ensures stable performance. - Thermal shutdown and current limit protection enhance reliability.

Disadvantages: - Limited output current compared to some other voltage regulators. - Higher quiescent current compared to newer, more efficient designs.

Working Principles

The MIC4807BN is a linear voltage regulator that operates by maintaining a constant output voltage regardless of changes in input voltage or load conditions. It achieves this through the use of a pass transistor that adjusts its resistance to maintain the desired output voltage. The adjustable output voltage is set using an external resistor connected to the ADJ pin.

Detailed Application Field Plans

The MIC4807BN can be used in various applications where a stable and regulated voltage supply is required. Some potential application fields include:

1. Battery-powered devices: Provides a regulated voltage for portable electronics such as smartphones, tablets, and portable audio players.
2. Automotive electronics: Ensures stable power supply for automotive sensors, control modules, and infotainment systems.
3. Industrial equipment: Suitable for powering microcontrollers, sensors, and other electronic components in industrial automation systems.
4. Communication systems: Used in base stations, routers, and network switches to maintain a stable voltage supply.
5. Consumer electronics: Can be utilized in televisions, set-top boxes, and gaming consoles to regulate power supply.

Detailed and Complete Alternative Models

1. LM317: Adjustable Linear Voltage Regulator with similar specifications and pin configuration.
2. LT1083: High Current Linear Voltage Regulator with adjustable output voltage.
3. LM1117: Low Dropout Voltage Regulator with fixed output voltage options.
4. L78xx: Series of Fixed Output Linear Voltage Regulators available in various voltage options.

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

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