MAX770EPA+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX770EPA+ belongs to the category of integrated circuits (ICs).

Use

This product is primarily used as a voltage regulator.

Characteristics

• The MAX770EPA+ is a low-dropout linear regulator.
• It operates with an input voltage range of 2.5V to 11V.
• The output voltage can be adjusted from 1.25V to 10V.
• It has a maximum output current of 500mA.
• This IC offers excellent line and load regulation.
• It provides thermal shutdown protection.

Package

The MAX770EPA+ is available in an 8-pin PDIP (Plastic Dual In-line Package) package.

Essence

The essence of the MAX770EPA+ lies in its ability to regulate voltage efficiently, ensuring stable power supply for various electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 11V
• Output Voltage Range: 1.25V to 10V
• Maximum Output Current: 500mA
• Dropout Voltage: 300mV at 500mA
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.1% (typical)
• Quiescent Current: 80µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX770EPA+ features the following pin configuration:

1. GND (Ground)
2. IN (Input Voltage)
3. OUT (Output Voltage)
4. ADJ (Adjustment Pin)
5. NC (No Connection)
6. NC (No Connection)
7. NC (No Connection)
8. VCC (Supply Voltage)

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• Excellent line and load regulation provide stable output voltage under varying conditions.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Adjustable output voltage allows flexibility in various applications.

Advantages and Disadvantages

Advantages

• Efficient voltage regulation
• Wide input voltage range
• Adjustable output voltage
• Excellent line and load regulation
• Thermal shutdown protection

Disadvantages

• Limited maximum output current (500mA)
• Dropout voltage of 300mV may be relatively high for some applications

Working Principles

The MAX770EPA+ operates as a low-dropout linear regulator. It regulates the output voltage by maintaining a constant voltage difference between the input and output terminals. This is achieved through internal circuitry that adjusts the resistance between these terminals, compensating for changes in load and input voltage.

Detailed Application Field Plans

The MAX770EPA+ finds application in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable audio players - Wireless communication devices - Industrial control systems - Automotive electronics - Medical equipment

Detailed and Complete Alternative Models

1. LM1117-ADJ: Adjustable Linear Voltage Regulator, 800mA Output Current
2. LT1763-ADJ: Adjustable Low Dropout Regulator, 500mA Output Current
3. TPS7A4700-ADJ: Adjustable Ultra-Low Dropout Regulator, 1A Output Current
4. MCP1700-ADJ: Adjustable CMOS Low Dropout Regulator, 250mA Output Current
5. LP2985-ADJ: Adjustable Micropower Voltage Regulator, 150mA Output Current

These alternative models offer similar functionality and can be considered as substitutes for the MAX770EPA+ in various applications.

In conclusion, the MAX770EPA+ is a versatile voltage regulator IC that provides efficient and stable power supply. With its adjustable output voltage, excellent regulation, and thermal protection, it finds application in a wide range of electronic devices and systems.