MAX1084AESA

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High-performance, low-dropout linear regulator
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Provides a regulated output voltage with low dropout voltage and high accuracy
• Packaging/Quantity: Available in tubes or tape and reel, quantity per package varies

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 15V
• Dropout Voltage: 300mV at 500mA load current
• Output Current: Up to 500mA
• Line Regulation: ±0.05% typical
• Load Regulation: ±0.1% typical
• Quiescent Current: 5mA typical
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX1084AESA has the following pin configuration:

```

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| | --| Vout Vin|-- --| GND ADJ|-- |___________| ```

• Vin: Input voltage pin
• Vout: Output voltage pin
• ADJ: Adjustable pin for setting the output voltage

Functional Features

• Low dropout voltage: Allows operation with small input-output voltage differentials
• High accuracy: Provides precise and stable output voltage regulation
• Current limiting and thermal shutdown protection: Ensures safe operation under fault conditions
• Adjustable output voltage: Allows flexibility in selecting the desired output voltage level

Advantages

• High performance: Provides reliable and efficient voltage regulation
• Low dropout voltage: Enables operation even with low input-output voltage differentials
• Wide input voltage range: Allows compatibility with various power sources
• Adjustable output voltage: Provides flexibility in meeting specific application requirements

Disadvantages

• Limited output current: Suitable for low to moderate power applications, not suitable for high-power devices
• Requires external components: Additional passive components may be needed for stability and filtering

Working Principles

The MAX1084AESA 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 through a feedback network. The pass transistor adjusts its resistance to maintain a stable output voltage despite changes in input voltage or load conditions.

Detailed Application Field Plans

The MAX1084AESA is commonly used in various electronic devices and systems, including:

1. Battery-powered devices: Portable electronics, handheld instruments, and battery chargers.
2. Automotive applications: Vehicle electronics, infotainment systems, and lighting controls.
3. Industrial equipment: Control systems, sensors, and motor drives.
4. Communication systems: Wireless routers, base stations, and network switches.
5. Consumer electronics: Audio/video equipment, gaming consoles, and set-top boxes.

Detailed and Complete Alternative Models

1. LM317: Adjustable voltage regulator with similar specifications and pin configuration.
2. LT1084: Low dropout linear regulator with higher output current capability.
3. ADP3339: High accuracy, low dropout voltage regulator with adjustable output voltage.

These alternative models offer similar functionality and can be considered as substitutes for the MAX1084AESA based on specific application requirements.

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