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MAX1822EPA+
Product Overview
Category
The MAX1822EPA+ belongs to the category of voltage regulators.
Use
It is used to regulate voltage in electronic circuits, ensuring a stable and reliable power supply.
Characteristics
- Input Voltage Range: 4.5V to 28V
- Output Voltage Range: 1.25V to 26V
- Low Dropout Voltage: 300mV at 500mA
- Low Quiescent Current: 75µA
- Package: 8-pin PDIP or SO package
- Essence: High-efficiency, low dropout voltage, and low quiescent current
- Packaging/Quantity: Available in tubes or reels, quantity varies based on supplier
Specifications
The MAX1822EPA+ has the following specifications: - Output Current: 500mA - Line Regulation: 0.05% (Typ) - Load Regulation: 0.1% (Typ) - Dropout Voltage: 300mV at 500mA (Typ) - Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The detailed pin configuration of MAX1822EPA+ is as follows:
| Pin Number | Name | Function | |------------|------------|----------------------| | 1 | IN | Input Voltage | | 2 | GND | Ground | | 3 | FB | Feedback Voltage | | 4 | SHDN | Shutdown Control | | 5 | NC | No Connection | | 6 | NC | No Connection | | 7 | OUT | Output Voltage | | 8 | NC | No Connection |
Functional Features
The MAX1822EPA+ offers the following functional features: - Low dropout voltage for extended battery life - Low quiescent current for improved efficiency - Thermal shutdown and current limit protection - Adjustable output voltage with external resistors
Advantages and Disadvantages
Advantages
- High efficiency
- Wide input voltage range
- Compact package size
Disadvantages
- Limited output current capacity
- External components required for adjustable output voltage
Working Principles
The MAX1822EPA+ operates by comparing the feedback voltage to a reference voltage and adjusting the pass transistor to maintain a stable output voltage. When the input voltage decreases or the load current increases, the regulator adjusts the pass transistor to ensure a consistent output voltage.
Detailed Application Field Plans
The MAX1822EPA+ is suitable for various applications including: - Battery-powered devices - Portable electronics - Automotive systems - Industrial control systems
Detailed and Complete Alternative Models
Some alternative models to MAX1822EPA+ include: - LM317: A popular adjustable linear voltage regulator - LT1086: Low dropout positive adjustable regulator - ADP3338: Ultralow noise, high PSRR, low dropout linear regulator
In conclusion, the MAX1822EPA+ is a versatile voltage regulator with a wide input voltage range, low dropout voltage, and low quiescent current, making it suitable for a variety of electronic applications.
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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van MAX1822EPA+ in technische oplossingen
What is the MAX1822EPA+ and what does it do?
- The MAX1822EPA+ is a step-up DC-DC converter that provides a regulated output voltage from an input voltage lower than the output voltage.
What is the input voltage range for the MAX1822EPA+?
- The input voltage range for the MAX1822EPA+ is typically 0.7V to 5.5V.
What is the typical output voltage range of the MAX1822EPA+?
- The typical output voltage range of the MAX1822EPA+ is 1.8V to 5.5V.
What is the maximum output current of the MAX1822EPA+?
- The maximum output current of the MAX1822EPA+ is typically 100mA.
What are the typical applications for the MAX1822EPA+?
- The MAX1822EPA+ is commonly used in battery-powered devices, portable equipment, and other applications where efficient voltage conversion is required.
What are the key features of the MAX1822EPA+?
- The key features of the MAX1822EPA+ include low input voltage operation, high efficiency, and a small footprint due to its integrated components.
What are the recommended external components to use with the MAX1822EPA+?
- The MAX1822EPA+ typically requires an inductor, input and output capacitors, and a diode for proper operation.
How can the MAX1822EPA+ be configured for different output voltages?
- The output voltage of the MAX1822EPA+ can be adjusted by selecting appropriate feedback resistors and configuring the compensation network.
What are the thermal considerations for the MAX1822EPA+?
- Proper PCB layout and heat sinking may be necessary to ensure the MAX1822EPA+ operates within its specified temperature range.
Where can I find detailed application notes and design resources for the MAX1822EPA+?
- Detailed application notes, datasheets, and design resources for the MAX1822EPA+ can be found on the manufacturer's website or through authorized distributors.