MAX628MJA/883B

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • High precision
  • Low dropout voltage
  • Wide input voltage range
  • Adjustable output voltage
• 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
• Dropout Voltage: 0.4V at 100mA load current
• Output Current: Up to 150mA
• Quiescent Current: 75µA typical
• Line Regulation: 0.01%/V
• Load Regulation: 0.05%/mA
• Temperature Range: -55°C to +125°C

Pin Configuration

The MAX628MJA/883B has a total of 8 pins arranged as follows:

```

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| | --| Vout Vin|-- --| GND Adj|-- |___________| ```

• Vin: Input voltage pin
• Vout: Output voltage pin
• GND: Ground pin
• Adj: Adjust pin for setting the output voltage

Functional Features

• High precision voltage regulation
• Low dropout voltage for efficient operation
• Wide input voltage range for versatile applications
• Adjustable output voltage for flexibility
• Low quiescent current for power-saving operation
• Excellent line and load regulation for stable performance

Advantages

• Provides accurate and stable output voltage
• Suitable for low-power applications
• Can operate with a wide range of input voltages
• Adjustable output voltage allows customization
• Low dropout voltage minimizes power dissipation

Disadvantages

• Limited output current capacity (up to 150mA)
• Not suitable for high-power applications
• Requires external components for proper operation

Working Principles

The MAX628MJA/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 circuitry to regulate the output within the desired range. The adjustable output voltage is set using an external resistor connected to the Adj pin.

Detailed Application Field Plans

The MAX628MJA/883B is commonly used in various electronic devices and systems where precise voltage regulation is required. Some potential application fields include:

1. Battery-powered devices: Portable electronics, such as smartphones, tablets, and portable audio players, can benefit from the low dropout voltage and adjustable output voltage of the MAX628MJA/883B.
2. Automotive electronics: The wide input voltage range and temperature range make this voltage regulator suitable for automotive applications, including infotainment systems, lighting controls, and sensor circuits.
3. Industrial control systems: The stability and precision of the MAX628MJA/883B make it ideal for use in industrial control systems, such as PLCs (Programmable Logic Controllers), motor drives, and instrumentation equipment.

Detailed and Complete Alternative Models

1. LM317: A popular adjustable voltage regulator with similar characteristics and package options.
2. LT1084: Offers higher output current capability and lower dropout voltage compared to the MAX628MJA/883B.
3. LM1117: Provides fixed output voltage options and is available in various package types.

These alternative models offer different features and specifications, allowing users to choose the most suitable voltage regulator for their specific requirements.

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