MAX1793EUE15+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX1793EUE15+ belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.5V to 16V
• Output Voltage: 1.5V
• Maximum Output Current: 500mA
• Dropout Voltage: 120mV at 500mA
• Low Quiescent Current: 40µA (typical)
• Package Type: µMAX®
• Temperature Range: -40°C to +85°C

Package and Quantity

The MAX1793EUE15+ is available in a µMAX® package. It is typically sold in reels or tubes containing a specific quantity, depending on the supplier.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage: 1.5V
• Maximum Output Current: 500mA
• Dropout Voltage: 120mV at 500mA
• Quiescent Current: 40µA (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.1% (typical)
• Ripple Rejection: 70dB (typical)
• Shutdown Current: 0.1µA (typical)

Pin Configuration

The MAX1793EUE15+ has the following pin configuration:

```

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| | --| VIN GND |-- Pin 1 --| VOUT EN |-- Pin 2 |___________| ```

Functional Features

1. Wide Input Voltage Range: The MAX1793EUE15+ can accept input voltages ranging from 2.5V to 16V, making it suitable for various applications.
2. Low Dropout Voltage: With a dropout voltage of only 120mV at 500mA, this voltage regulator minimizes power loss and improves efficiency.
3. Low Quiescent Current: The device has a low quiescent current of 40µA, reducing power consumption in standby or idle modes.
4. Excellent Line and Load Regulation: The MAX1793EUE15+ exhibits excellent line and load regulation, ensuring stable output voltage under varying conditions.
5. High Ripple Rejection: It offers a high ripple rejection of 70dB, effectively filtering out noise and providing clean output voltage.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile use.
• Low dropout voltage minimizes power loss.
• Low quiescent current reduces power consumption.
• Excellent line and load regulation ensures stable output voltage.
• High ripple rejection filters out noise.

Disadvantages

• Limited to an output voltage of 1.5V.
• Maximum output current limited to 500mA.

Working Principles

The MAX1793EUE15+ is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage with a reference voltage and adjusting the pass transistor accordingly to maintain a constant output voltage. The dropout voltage is minimized by utilizing a low resistance pass transistor.

Detailed Application Field Plans

The MAX1793EUE15+ finds applications in various fields, including but not limited to: - Battery-powered devices - Portable electronics - Industrial control systems - Automotive electronics - Telecommunications equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the MAX1793EUE15+ are: - LM1117-1.5 (Texas Instruments) - LT1761-1.5 (Analog Devices) - MCP1701-1.5 (Microchip Technology) - TPS71501 (Texas Instruments)

These models offer similar functionality and specifications, providing alternatives for different design requirements.

In conclusion, the MAX1793EUE15+ is a voltage regulator with a wide input voltage range, low dropout voltage, and low quiescent current. It offers excellent line and load regulation, high ripple rejection, and finds applications in various fields. While it has limitations in terms of output voltage and maximum output current, there are alternative models available to suit different design needs.