MAX1792EUA50+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX1792EUA50+ is a voltage regulator IC that provides a regulated output voltage for various electronic devices. It is commonly used in power management applications.

Characteristics: - Input Voltage Range: 2.5V to 16V - Output Voltage: 5V - Maximum Output Current: 500mA - Low Dropout Voltage: 120mV at 500mA - Low Quiescent Current: 40µA - Adjustable Output Voltage - Thermal Shutdown Protection - Short-Circuit Protection

Package: The MAX1792EUA50+ is available in a small 8-pin µMAX package, which is compact and suitable for space-constrained applications.

Essence: This voltage regulator IC ensures a stable and reliable power supply by regulating the input voltage to a constant 5V output, making it ideal for powering sensitive electronic components.

Packaging/Quantity: The MAX1792EUA50+ is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage: 5V
• Maximum Output Current: 500mA
• Dropout Voltage: 120mV at 500mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C
• Package Type: 8-pin µMAX
• Package Dimensions: 3mm x 3mm

Pin Configuration

The MAX1792EUA50+ has the following pin configuration:

```

---

| | --| VOUT GND |-- --| VIN FB |-- --| EN NC |-- |___________| ```

• VIN: Input voltage pin
• VOUT: Output voltage pin
• GND: Ground pin
• FB: Feedback pin for adjusting the output voltage
• EN: Enable pin (active high)
• NC: No connection (unused pin)

Functional Features

1. Voltage Regulation: The MAX1792EUA50+ regulates the input voltage to a constant 5V output, ensuring a stable power supply for connected devices.
2. Adjustable Output Voltage: The feedback pin (FB) allows users to adjust the output voltage according to their specific requirements.
3. Low Dropout Voltage: With a dropout voltage of only 120mV at 500mA, this IC can maintain a stable output even when the input voltage is close to the desired output voltage.
4. Low Quiescent Current: The quiescent current of 40µA ensures minimal power consumption when the device is in standby or idle mode.
5. Thermal and Short-Circuit Protection: The MAX1792EUA50+ incorporates built-in thermal shutdown and short-circuit protection mechanisms to safeguard the IC and connected components from damage.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows compatibility with various power sources. - Adjustable output voltage provides flexibility for different applications. - Low dropout voltage ensures efficient power conversion. - Compact package size enables use in space-constrained designs. - Thermal and short-circuit protection enhance reliability and safety.

Disadvantages: - Maximum output current limited to 500mA, which may not be sufficient for high-power applications. - Limited pin configuration options may restrict certain circuit designs.

Working Principles

The MAX1792EUA50+ operates as a linear voltage regulator. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant 5V output. The input voltage is regulated by controlling the pass transistor, which drops the excess voltage across it to maintain the desired output voltage.

Detailed Application Field Plans

The MAX1792EUA50+ finds applications in various electronic devices that require a stable 5V power supply. Some common application fields include: - Battery-powered devices - Portable electronics - Embedded systems - IoT devices - Consumer electronics

Detailed and Complete Alternative Models

1. LM7805: A widely used linear voltage regulator IC with similar specifications and pin configuration.
2. LT1763: A low dropout voltage regulator IC suitable for applications requiring higher output currents.
3. TPS7A4700: An adjustable linear voltage regulator IC with a wide input voltage range and high output current capability.

These alternative models offer similar functionality and can be considered as substitutes for the MAX1792EUA50+ depending on specific requirements.

---

Word Count: 610 words