MAX856CUA+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Adjustable output voltage - Thermal shutdown protection - Short-circuit current limiting

Package: 8-pin SOIC (Small Outline Integrated Circuit)

Essence: The MAX856CUA+ is a voltage regulator IC that provides a stable output voltage with low dropout, making it suitable for various electronic applications.

Packaging/Quantity: The MAX856CUA+ is available in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 15V
• Dropout Voltage: 0.35V at 100mA
• Output Current: Up to 500mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX856CUA+ has the following pin configuration:

```

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| | --| Vout Vin|-- --| GND EN |-- --| FB NC |-- |___________| ```

• Vout: Output Voltage
• Vin: Input Voltage
• GND: Ground
• EN: Enable Pin
• FB: Feedback Pin
• NC: No Connection

Functional Features

• Low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
• High output current capability allows the IC to power a wide range of devices.
• Adjustable output voltage provides flexibility in meeting specific application requirements.
• Thermal shutdown protection prevents the IC from overheating and damaging itself.
• Short-circuit current limiting protects the IC and connected devices from excessive current flow during a short circuit.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion. - High output current capability allows for powering various electronic components. - Adjustable output voltage provides flexibility in different applications. - Thermal shutdown protection prevents damage due to overheating. - Short-circuit current limiting protects against excessive current flow.

Disadvantages: - Limited input voltage range (2.5V to 16V). - Quiescent current of 75µA may be relatively high for low-power applications.

Working Principles

The MAX856CUA+ is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB) with a reference voltage, adjusting the pass transistor's resistance to maintain a stable output voltage. The enable pin (EN) controls the regulator's operation, allowing it to be turned on or off as needed.

Detailed Application Field Plans

The MAX856CUA+ can be used in various applications, including but not limited to: 1. Battery-powered devices 2. Portable electronics 3. Automotive systems 4. Industrial control systems 5. Communication equipment

Detailed and Complete Alternative Models

Some alternative models to the MAX856CUA+ include: 1. LM317 - Adjustable Voltage Regulator 2. LT1086 - Low Dropout Regulator 3. ADP3339 - High Current Linear Regulator 4. TPS7A47 - Ultra-Low Noise LDO Regulator 5. MIC5205 - Low Quiescent Current LDO Regulator

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

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