MAX761CSA+ - English Editing Encyclopedia Entry

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, adjustable output voltage
• Package: 8-pin small outline integrated circuit (SOIC)
• Essence: Power management IC for regulating voltage levels
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 15V
• Output Current: Up to 500mA
• Dropout Voltage: Typically 0.3V at 100mA load current
• Quiescent Current: Typically 120µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX761CSA+ has the following pin configuration:

1. GND: Ground reference for the IC
2. SHDN: Shutdown control input
3. FB: Feedback input for setting the output voltage
4. VOUT: Output voltage
5. VIN: Input voltage
6. NC: No connection
7. NC: No connection
8. VCC: Supply voltage input

Functional Features

• Adjustable output voltage through feedback input (FB)
• Low dropout voltage enables efficient power conversion
• Shutdown control input (SHDN) for power-saving mode
• Overcurrent and thermal protection for safe operation
• Wide input voltage range allows flexibility in power supply selection

Advantages

• High efficiency power conversion
• Low dropout voltage minimizes power loss
• Adjustable output voltage suits various applications
• Shutdown control feature enhances power-saving capabilities
• Built-in protection mechanisms ensure safe operation

Disadvantages

• Limited output current capacity (up to 500mA)
• Not suitable for high-power applications
• Requires external components for proper operation

Working Principles

The MAX761CSA+ is a voltage regulator IC that regulates the output voltage based on the feedback received through the FB pin. It operates by comparing the output voltage with a reference voltage and adjusts the internal circuitry accordingly to maintain a stable output voltage. The low dropout voltage ensures efficient power conversion even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

The MAX761CSA+ finds applications in various fields, including:

1. Battery-powered devices: Provides regulated voltage for portable electronics such as smartphones, tablets, and wearable devices.
2. Industrial equipment: Used in control systems, sensors, and actuators that require stable power supply.
3. Automotive electronics: Regulates voltage for automotive modules, infotainment systems, and lighting applications.
4. Communication systems: Ensures reliable power supply for routers, switches, and network equipment.
5. Medical devices: Provides regulated voltage for medical instruments and diagnostic equipment.

Detailed and Complete Alternative Models

1. LM317: Adjustable voltage regulator with higher output current capacity.
2. LT1084: Low dropout voltage regulator with adjustable output voltage.
3. LM7805: Fixed output voltage regulator with higher current capacity.
4. LM1117: Low dropout voltage regulator with fixed output voltage options.

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

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