MAX1044EPA+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX1044EPA+ belongs to the category of integrated circuits (ICs).

Use

This product is primarily used as a voltage converter or voltage doubler.

Characteristics

• The MAX1044EPA+ is a monolithic, CMOS switched-capacitor voltage converter.
• It operates from a single +5V supply and generates an output voltage of -5V.
• This IC can deliver up to 20mA of output current.
• It offers high efficiency and low power consumption.
• The MAX1044EPA+ is designed to be compatible with most microcontrollers and digital systems.

Package

This product comes in an 8-pin DIP (Dual Inline Package) format.

Essence

The essence of the MAX1044EPA+ is its ability to convert a positive input voltage into a negative output voltage.

Packaging/Quantity

The MAX1044EPA+ is typically packaged in tubes or reels. Each tube/reel contains a specific quantity of ICs, usually around 25 pieces.

Specifications

• Input Voltage Range: +3V to +16V
• Output Voltage: -1.5V to -10V
• Output Current: Up to 20mA
• Operating Temperature Range: -40°C to +85°C
• Supply Current: 200µA (typical)

Detailed Pin Configuration

The MAX1044EPA+ has the following pin configuration:

```

---

| | --| V+ GND |-- Pin 1: Positive Supply Voltage (V+) --| VIN VOUT|-- Pin 2: Negative Output Voltage (VOUT) --| GND VIN |-- Pin 3: Ground (GND) --| VOUT NC |-- Pin 4: No Connection (NC) --| NC GND |-- Pin 5: Ground (GND) --| GND VIN |-- Pin 6: Ground (GND) --| VOUT V+ |-- Pin 7: Positive Output Voltage (VOUT) --| V- GND |-- Pin 8: Negative Supply Voltage (V-) |___________| ```

Functional Features

• Voltage Conversion: The MAX1044EPA+ efficiently converts a positive input voltage into a negative output voltage.
• Low Power Consumption: This IC consumes minimal power, making it suitable for battery-powered applications.
• Wide Input Voltage Range: It can operate with input voltages ranging from +3V to +16V.
• High Output Current: The MAX1044EPA+ can deliver up to 20mA of output current.

Advantages and Disadvantages

Advantages

• Efficient voltage conversion
• Low power consumption
• Wide input voltage range
• High output current capability
• Compact and easy-to-use package

Disadvantages

• Limited output voltage range (-1.5V to -10V)
• Requires an external capacitor for operation

Working Principles

The MAX1044EPA+ utilizes switched-capacitor techniques to convert the input voltage into a negative output voltage. It employs charge pumps to transfer energy between capacitors, resulting in voltage multiplication or inversion. By controlling the switching frequency and duty cycle, the desired output voltage is achieved.

Detailed Application Field Plans

The MAX1044EPA+ finds applications in various fields, including:

1. Battery-Powered Devices: It can be used in portable electronic devices that require a negative voltage supply, such as handheld instruments and portable audio players.
2. Industrial Automation: The IC can be employed in industrial control systems that need a negative voltage source for specific components or sensors.
3. Automotive Electronics: It can be utilized in automotive applications where a negative voltage is required, such as in-car entertainment systems or electronic control units (ECUs).
4. Telecommunications: The MAX1044EPA+ can be integrated into telecommunication equipment that requires a negative voltage supply, such as modems or routers.

Detailed and Complete Alternative Models

1. ICL7660CPA: This IC offers similar functionality to the MAX1044EPA+ and comes in an 8-pin DIP package.
2. LTC1044: Another alternative with comparable features, available in various package options.
3. ICL7660S: This surface-mount version of the ICL7660CPA provides a compact solution for space-constrained applications.

These alternative models can be considered based on specific requirements and availability.

In conclusion, the MAX1044EPA+ is a versatile voltage converter IC that efficiently generates a negative output voltage from a positive input. With its low power consumption, wide input voltage range, and high output current capability, it finds applications in diverse fields. While it has limitations in terms of