Voir les spécifications pour les détails du produit.
MAX791CPE
Product Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Regulator
- Characteristics: High precision, low dropout voltage, adjustable output, current limiting, thermal shutdown
- Package: PDIP (Plastic Dual In-line Package)
- Essence: Linear regulator with adjustable output voltage
- Packaging/Quantity: Tube packaging, 25 pieces per tube
Specifications
- Input Voltage Range: 4.5V to 40V
- Output Voltage Range: 1.25V to 37V
- Dropout Voltage: 0.15V at 100mA load current
- Output Current: Up to 1A
- Line Regulation: 0.01% typical
- Load Regulation: 0.1% typical
- Quiescent Current: 3.5mA typical
- Operating Temperature Range: -40°C to +125°C
Pin Configuration
The MAX791CPE has a total of 8 pins arranged as follows:
___________
| |
NC |1 8| Vout
Vin |2 7| Adj
GND |3 6| NC
NC |4 5| NC
|___________|
Functional Features
- Adjustable output voltage through the "Adj" pin
- Low dropout voltage allows operation with small input-output differentials
- Current limiting protects against excessive load currents
- Thermal shutdown prevents overheating and damage to the device
Advantages and Disadvantages
Advantages: - High precision voltage regulation - Wide input voltage range - Adjustable output voltage - Current limiting and thermal shutdown protection
Disadvantages: - Limited output current capacity (up to 1A) - Requires external components for proper operation
Working Principles
The MAX791CPE is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage, adjusting the pass transistor accordingly to maintain a stable output.
Detailed Application Field Plans
The MAX791CPE is commonly used in various applications requiring precise voltage regulation. Some typical application fields include: - Power supplies for microcontrollers and other digital circuits - Battery-powered devices - Automotive electronics - Industrial control systems
Detailed and Complete Alternative Models
- LM317: Adjustable positive voltage regulator with similar specifications
- LT1083: High current adjustable positive voltage regulator
- LM1117: Low dropout voltage regulator with fixed output voltage options
These alternative models offer similar functionality and can be considered as alternatives to the MAX791CPE depending on specific requirements.
Word count: 314 words
Énumérez 10 questions et réponses courantes liées à l'application de MAX791CPE dans les solutions techniques
Sure! Here are 10 common questions and answers related to the application of MAX791CPE in technical solutions:
Q: What is MAX791CPE? A: MAX791CPE is a high-voltage, low-dropout linear regulator IC manufactured by Maxim Integrated. It is commonly used for power management applications.
Q: What is the input voltage range of MAX791CPE? A: The input voltage range of MAX791CPE is typically between 4.5V and 40V.
Q: What is the output voltage range of MAX791CPE? A: The output voltage range of MAX791CPE can be adjusted from 1.25V to 37V using external resistors.
Q: What is the maximum output current of MAX791CPE? A: The maximum output current of MAX791CPE is 1A.
Q: Can MAX791CPE operate in a wide temperature range? A: Yes, MAX791CPE is designed to operate in a temperature range of -40°C to +85°C.
Q: Does MAX791CPE have built-in protection features? A: Yes, MAX791CPE includes built-in protection features such as thermal shutdown, current limiting, and reverse battery protection.
Q: Can MAX791CPE be used in battery-powered applications? A: Yes, MAX791CPE is suitable for battery-powered applications due to its low dropout voltage and low quiescent current.
Q: Is MAX791CPE available in different package options? A: Yes, MAX791CPE is available in an 8-pin PDIP (plastic dual inline package) and SOIC (small outline integrated circuit) package.
Q: What are some typical applications of MAX791CPE? A: Some typical applications of MAX791CPE include power supplies, battery chargers, instrumentation, and automotive electronics.
Q: Are there any application notes or reference designs available for MAX791CPE? A: Yes, Maxim Integrated provides application notes and reference designs on their website that can help in designing with MAX791CPE.
Please note that the answers provided here are general and may vary depending on specific requirements and use cases. It is always recommended to refer to the datasheet and documentation provided by the manufacturer for accurate information.