MAX752EPA+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX752EPA+ is a voltage regulator IC that provides a regulated output voltage for various electronic devices. It is commonly used in power supply circuits to ensure stable and reliable power delivery.

Characteristics: - Input Voltage Range: 4.5V to 16V - Output Voltage Range: 2.5V to 12.6V - Output Current: Up to 50mA - Low Dropout Voltage: 120mV at 50mA - Low Quiescent Current: 80µA - High Ripple Rejection: 70dB at 1kHz - Operating Temperature Range: -40°C to +85°C

Package: The MAX752EPA+ is available in an 8-pin PDIP (Plastic Dual In-Line Package) with a lead pitch of 2.54mm.

Essence: This voltage regulator IC ensures a stable output voltage by regulating the input voltage, making it suitable for a wide range of applications where consistent power supply is crucial.

Packaging/Quantity: The MAX752EPA+ is typically sold in reels or tubes, with 75 units per reel/tube.

Specifications

The following are the detailed specifications of the MAX752EPA+:

• Input Voltage Range: 4.5V to 16V
• Output Voltage Range: 2.5V to 12.6V
• Output Current: Up to 50mA
• Dropout Voltage: 120mV at 50mA
• Quiescent Current: 80µA
• Ripple Rejection: 70dB at 1kHz
• Operating Temperature Range: -40°C to +85°C
• Package: 8-pin PDIP
• Lead Pitch: 2.54mm

Pin Configuration

The MAX752EPA+ has the following pin configuration:

```

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

Functional Features

The key functional features of the MAX752EPA+ include:

1. Voltage Regulation: The IC regulates the output voltage within a specified range, ensuring a stable power supply to connected devices.
2. Low Dropout Voltage: With a low dropout voltage of 120mV at 50mA, the IC can maintain a stable output even when the input voltage is close to the desired output voltage.
3. Low Quiescent Current: The IC consumes only 80µA of current in standby mode, minimizing power wastage.
4. High Ripple Rejection: The IC exhibits high ripple rejection of 70dB at 1kHz, reducing noise and interference in the output voltage.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for flexibility in various applications. - Low dropout voltage ensures efficient power delivery. - Low quiescent current minimizes power consumption. - High ripple rejection reduces output voltage noise.

Disadvantages: - Limited output current capacity (up to 50mA), which may not be sufficient for high-power applications. - Only available in an 8-pin PDIP package, limiting compatibility with certain circuit designs.

Working Principles

The MAX752EPA+ operates based on the principle of voltage regulation using a feedback control mechanism. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage, regardless of variations in the input voltage or load conditions.

Application Field Plans

The MAX752EPA+ finds applications in various electronic devices and systems that require a stable power supply. Some potential application fields include:

1. Battery-Powered Devices: Portable electronics such as smartphones, tablets, and portable media players can benefit from the voltage regulation provided by the MAX752EPA+ to ensure consistent performance.
2. Embedded Systems: Microcontrollers, sensors, and other components in embedded systems often require a stable power supply, making the MAX752EPA+ suitable for these applications.
3. Automotive Electronics: The IC can be used in automotive applications where reliable power delivery is essential, such as in-car entertainment systems or engine control units.

Alternative Models

In addition to the MAX752EPA+, there are several alternative models available that offer similar functionality. Some notable alternatives include:

1. LM317: A popular adjustable voltage regulator IC with a wide input voltage range and high output current capability.
2. LT1084: A low dropout voltage regulator IC with adjustable output voltage and high ripple rejection.
3. LM1117: A