MAX868EUB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: µMAX® (8-Pin)
• Essence: Voltage Regulator
• Packaging/Quantity: Tube/100 pieces

Specifications

• Input Voltage Range: 2.5V to 11V
• Output Voltage Range: 1.25V to 10V
• Maximum Output Current: 500mA
• Dropout Voltage: 120mV at 200mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX868EUB has the following pin configuration:

1. GND (Ground)
2. IN (Input Voltage)
3. EN (Enable)
4. FB (Feedback)
5. VOUT (Output Voltage)
6. BYP (Bypass Capacitor)
7. NC (No Connection)
8. SHDN (Shutdown)

Functional Features

• High Efficiency: The MAX868EUB incorporates a high-efficiency voltage regulator that minimizes power loss and maximizes energy conversion.
• Low Power Consumption: With a quiescent current of only 40µA, the MAX868EUB ensures minimal power consumption during operation.
• Enable Function: The EN pin allows for easy control of the device's on/off state, providing flexibility in power management applications.
• Shutdown Mode: The SHDN pin enables a shutdown mode, reducing power consumption to near zero when the device is not in use.
• Overcurrent Protection: The MAX868EUB includes overcurrent protection circuitry, safeguarding the device and connected components from excessive current.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power loss. - Low power consumption prolongs battery life. - Enable and shutdown functions provide flexibility in power management. - Overcurrent protection ensures device and component safety.

Disadvantages: - Limited output current of 500mA may not be suitable for high-power applications. - Narrow input voltage range restricts compatibility with certain systems.

Working Principles

The MAX868EUB is a voltage regulator that maintains a stable output voltage regardless of variations in the input voltage. It achieves this by utilizing a feedback mechanism that continuously adjusts the internal circuitry to compensate for changes in load and input conditions. The device operates by comparing the output voltage with a reference voltage and adjusting the internal control circuit accordingly. This ensures a consistent and reliable output voltage, making it ideal for various power management applications.

Detailed Application Field Plans

The MAX868EUB finds application in a wide range of fields, including but not limited to:

1. Portable Electronics: The low power consumption and high efficiency make it suitable for battery-powered devices such as smartphones, tablets, and portable media players.
2. Industrial Automation: The voltage regulator can be used in industrial automation systems to ensure stable power supply to sensitive components and circuits.
3. Automotive Electronics: With its compact package and ability to operate in a wide temperature range, the MAX868EUB can be employed in automotive electronics for power management purposes.
4. IoT Devices: The device's small form factor and low power consumption make it an excellent choice for IoT devices that require efficient power management.

Detailed and Complete Alternative Models

1. MAX867EUB: Similar to the MAX868EUB, this model offers a higher maximum output current of 1A, making it suitable for applications requiring more power.
2. MAX869EUB: This alternative model provides a wider input voltage range, allowing for compatibility with a broader range of systems.
3. MAX870EUB: With an adjustable output voltage range, the MAX870EUB offers greater flexibility in power management applications.

Note: This is not an exhaustive list of alternative models, and there may be other options available from the manufacturer or other suppliers.

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