MAX176ACPA

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High precision, low dropout voltage, adjustable output, low quiescent current
• Package: 8-pin PDIP (Plastic Dual In-line Package)
• Essence: Linear regulator with adjustable output voltage
• Packaging/Quantity: Tube packaging, 25 pieces per tube

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 15V
• Dropout Voltage: 300mV at 100mA load current
• Quiescent Current: 50µA
• Line Regulation: 0.02% typical
• Load Regulation: 0.05% typical
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX176ACPA has the following pin configuration:

```

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

Functional Features

• Adjustable output voltage allows flexibility in various applications.
• Low dropout voltage ensures efficient power conversion even with small input-output differentials.
• High precision and low quiescent current make it suitable for battery-powered devices.
• Excellent line and load regulation provide stable output voltage under varying conditions.

Advantages

• Wide input voltage range enables compatibility with a variety of power sources.
• Adjustable output voltage allows customization according to specific requirements.
• Low quiescent current prolongs battery life in portable devices.
• High precision ensures accurate voltage regulation.
• Compact 8-pin PDIP package facilitates easy integration into circuit designs.

Disadvantages

• Limited output current capability may restrict usage in high-power applications.
• Non-standard pin configuration may require additional attention during circuit layout.

Working Principles

The MAX176ACPA 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, adjusting the pass transistor's resistance to maintain a stable output voltage. The adjustable output feature is achieved by using an external resistor divider network connected to the "Adj" pin.

Application Field Plans

The MAX176ACPA finds application in various fields, including:

1. Battery-powered devices: Portable electronics, handheld instruments, and wireless communication devices benefit from its low quiescent current and adjustable output voltage.
2. Automotive electronics: Used in automotive systems requiring precise voltage regulation, such as infotainment systems, lighting controls, and sensors.
3. Industrial equipment: Suitable for powering control circuits, sensors, and actuators in industrial automation systems.
4. Medical devices: Provides stable power supply for medical instruments, patient monitoring systems, and diagnostic equipment.

Alternative Models

1. LM317: A widely used adjustable linear voltage regulator with similar specifications.
2. LT1086: Offers higher output current capability and lower dropout voltage compared to the MAX176ACPA.
3. ADP3339: Provides ultra-low dropout voltage and high output current for demanding applications.

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

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