MAX627MJA/883B

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High precision, low dropout voltage, adjustable output voltage, high current capability
• Package: Ceramic DIP (Dual In-line Package)
• Essence: Monolithic CMOS Voltage Regulator
• Packaging/Quantity: Tube/25 pieces per tube

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 13.2V
• Output Current: Up to 500mA
• Dropout Voltage: 0.4V at 100mA load
• Line Regulation: 0.01%/V
• Load Regulation: 0.05%/mA
• Quiescent Current: 500µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX627MJA/883B has a total of 8 pins:

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

Functional Features

• High precision voltage regulation
• Low dropout voltage for efficient power conversion
• Adjustable output voltage for flexibility
• High current capability for powering various loads
• Excellent line and load regulation for stable performance
• Low quiescent current for power-saving operation

Advantages and Disadvantages

Advantages

• High precision voltage regulation ensures accurate output voltage.
• Low dropout voltage allows efficient power conversion even with low input voltages.
• Adjustable output voltage provides flexibility for different applications.
• High current capability enables the regulator to power a wide range of loads.
• Excellent line and load regulation ensures stable performance under varying conditions.
• Low quiescent current helps in reducing power consumption.

Disadvantages

• Limited output current capacity compared to some other voltage regulators.
• Requires external components for proper operation and stability.

Working Principles

The MAX627MJA/883B is a monolithic CMOS voltage regulator that utilizes a feedback control mechanism to maintain a stable output voltage. It operates by comparing the output voltage with a reference voltage and adjusting the internal pass transistor accordingly. This feedback loop ensures that the output voltage remains constant despite changes in input voltage or load conditions.

Detailed Application Field Plans

The MAX627MJA/883B is commonly used in various electronic devices and systems where precise voltage regulation is required. Some typical application fields include:

1. Battery-powered devices: Portable electronics, such as smartphones, tablets, and portable audio players, benefit from the low dropout voltage and high precision of the MAX627MJA/883B.
2. Industrial equipment: The regulator's high current capability makes it suitable for powering motors, sensors, and control circuits in industrial automation systems.
3. Automotive electronics: The MAX627MJA/883B can be used in automotive applications, such as infotainment systems, lighting controls, and engine management systems.
4. Communication systems: Wireless routers, base stations, and communication modules can utilize the regulator's adjustable output voltage and stable performance.

Detailed and Complete Alternative Models

• LM317: A popular adjustable voltage regulator with similar characteristics and package options.
• LT1086: Another high precision, low dropout voltage regulator available in various package types.
• ADP3339: A high current, low dropout voltage regulator suitable for demanding applications.

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