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MAX1802EHJ+ - English Editing Encyclopedia Entry
Product Overview
- Category: Integrated Circuit (IC)
- Use: Power Management
- Characteristics: High Efficiency, Low Quiescent Current, Small Package Size
- Package: 32-Pin Thin QFN
- Essence: Voltage Regulator
- Packaging/Quantity: Tape and Reel, 2500 units per reel
Specifications
- Input Voltage Range: 2.5V to 5.5V
- Output Voltage Range: 1.8V to 3.6V
- Output Current: Up to 500mA
- Quiescent Current: 40µA (typical)
- Switching Frequency: 1.2MHz (typical)
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The MAX1802EHJ+ has a total of 32 pins. The pin configuration is as follows:
| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VIN | Input Voltage | | 2 | GND | Ground | | 3 | EN | Enable Control | | 4 | FB | Feedback Voltage | | 5 | VOUT | Output Voltage | | ... | ... | ... |
Functional Features
- High efficiency voltage regulation for portable devices
- Low quiescent current for extended battery life
- Integrated power MOSFETs for compact design
- Overcurrent and thermal protection for enhanced safety
- Soft-start feature to minimize inrush current
Advantages and Disadvantages
Advantages
- High efficiency operation saves power
- Compact package size allows for space-constrained designs
- Wide input voltage range for versatile applications
- Integrated protection features enhance reliability
Disadvantages
- Limited output current compared to some other voltage regulators
- Higher cost compared to traditional linear regulators
Working Principles
The MAX1802EHJ+ is a step-down (buck) voltage regulator. It takes an input voltage within the range of 2.5V to 5.5V and efficiently converts it to a lower, regulated output voltage between 1.8V and 3.6V. The integrated power MOSFETs and control circuitry ensure high efficiency and low quiescent current operation.
Detailed Application Field Plans
The MAX1802EHJ+ is commonly used in various portable electronic devices, such as smartphones, tablets, digital cameras, and portable media players. Its compact size, high efficiency, and low quiescent current make it suitable for battery-powered applications where power efficiency and extended battery life are crucial.
Detailed and Complete Alternative Models
- MAX1801EHJ+: Similar specifications and features, but with a different pin configuration.
- MAX1803EHJ+: Higher output current capability, suitable for applications requiring higher power.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MAX1802EHJ+ en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of MAX1802EHJ+ in technical solutions:
Q: What is the MAX1802EHJ+? A: The MAX1802EHJ+ is a high-efficiency, step-up DC-DC converter IC designed for various applications.
Q: What is the input voltage range of MAX1802EHJ+? A: The input voltage range of MAX1802EHJ+ is typically between 0.8V and 5.5V.
Q: What is the output voltage range of MAX1802EHJ+? A: The output voltage range of MAX1802EHJ+ can be adjusted from 2.5V to 5.5V using external resistors.
Q: What is the maximum output current of MAX1802EHJ+? A: The maximum output current of MAX1802EHJ+ is typically around 500mA.
Q: Can MAX1802EHJ+ operate in a low-power mode? A: Yes, MAX1802EHJ+ has a low-power shutdown mode that reduces the quiescent current to minimize power consumption.
Q: Is MAX1802EHJ+ suitable for battery-powered applications? A: Yes, MAX1802EHJ+ is well-suited for battery-powered applications due to its low quiescent current and high efficiency.
Q: Does MAX1802EHJ+ have built-in protection features? A: Yes, MAX1802EHJ+ includes overcurrent protection, thermal shutdown, and undervoltage lockout to ensure safe operation.
Q: Can MAX1802EHJ+ be used in automotive applications? A: Yes, MAX1802EHJ+ is automotive-grade and can be used in various automotive applications.
Q: What type of package does MAX1802EHJ+ come in? A: MAX1802EHJ+ is available in a small 8-pin SOIC package, which is suitable for space-constrained designs.
Q: Are there any application notes or reference designs available for MAX1802EHJ+? A: Yes, Maxim Integrated provides application notes and reference designs that can help with the implementation of MAX1802EHJ+ in different technical solutions.
Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.