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MAX8640YELT12+T
Product Overview
- Category: Integrated Circuit (IC)
- Use: Power Management
- Characteristics: High Efficiency, Low Quiescent Current
- Package: 12-Lead Thin QFN (3mm x 3mm)
- Essence: Voltage Regulator
- Packaging/Quantity: Tape and Reel, 2500 units per reel
Specifications
- Input Voltage Range: 2.7V to 5.5V
- Output Voltage Range: 1.2V
- Maximum Output Current: 600mA
- Quiescent Current: 15µA
- Efficiency: Up to 95%
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The MAX8640YELT12+T has a 12-lead thin QFN package with the following pin configuration:
- VIN: Input Voltage
- GND: Ground
- EN: Enable Pin
- FB: Feedback Pin
- SS/TR: Soft-Start/Tracking Pin
- VOUT: Output Voltage
- PGND: Power Ground
- SW: Switching Node
- SW: Switching Node
- SW: Switching Node
- SW: Switching Node
- VCC: Supply Voltage
Functional Features
- High efficiency voltage regulator for portable devices
- Low quiescent current extends battery life
- Integrated power MOSFETs for compact design
- Soft-start and tracking functionality for smooth operation
- Overcurrent and overtemperature protection for reliability
Advantages and Disadvantages
Advantages: - High efficiency results in longer battery life - Compact size enables integration into small devices - Wide input voltage range allows compatibility with various power sources - Overcurrent and overtemperature protection ensures device safety
Disadvantages: - Limited output current may not be suitable for high-power applications - Single output voltage limits flexibility in certain designs
Working Principles
The MAX8640YELT12+T is a voltage regulator that converts an input voltage within the range of 2.7V to 5.5V to a fixed output voltage of 1.2V. It achieves high efficiency by utilizing integrated power MOSFETs and minimizing quiescent current. The soft-start and tracking functionality ensure smooth operation during power-up and transient conditions. The device also incorporates overcurrent and overtemperature protection mechanisms to safeguard against potential faults.
Detailed Application Field Plans
The MAX8640YELT12+T is commonly used in portable electronic devices, such as smartphones, tablets, and wearable devices. Its compact size and high efficiency make it ideal for battery-powered applications where maximizing battery life is crucial. The voltage regulator can provide a stable 1.2V output, which is commonly required for powering various digital and analog components in these devices.
Detailed and Complete Alternative Models
- MAX8641YELT12+T: Similar to MAX8640YELT12+T but with a higher output current of 800mA.
- MAX8642YELT12+T: Similar to MAX8640YELT12+T but with a lower output voltage of 1.0V.
- MAX8643YELT12+T: Similar to MAX8640YELT12+T but with a wider input voltage range of 2.5V to 5.5V.
These alternative models offer variations in output current, output voltage, and input voltage range, allowing designers to choose the most suitable option for their specific application requirements.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MAX8640YELT12+T en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of MAX8640YELT12+T in technical solutions:
Q: What is the MAX8640YELT12+T? A: The MAX8640YELT12+T is a high-efficiency, synchronous step-down DC-DC converter.
Q: What is the input voltage range of the MAX8640YELT12+T? A: The input voltage range is from 2.7V to 5.5V.
Q: What is the output voltage range of the MAX8640YELT12+T? A: The output voltage can be adjusted from 0.6V to 5.5V.
Q: What is the maximum output current of the MAX8640YELT12+T? A: The maximum output current is 2A.
Q: Does the MAX8640YELT12+T require an external compensation network? A: No, it has an internal compensation network, simplifying the design.
Q: Can the MAX8640YELT12+T operate in a low-power mode? A: Yes, it has a low-power mode that reduces quiescent current for improved efficiency at light loads.
Q: Is the MAX8640YELT12+T suitable for battery-powered applications? A: Yes, it is designed for low-power applications and operates efficiently with battery voltages.
Q: Does the MAX8640YELT12+T have built-in protection features? A: Yes, it includes overcurrent protection, thermal shutdown, and undervoltage lockout.
Q: Can the MAX8640YELT12+T be used in automotive applications? A: Yes, it is qualified for automotive applications and operates over a wide temperature range.
Q: What package does the MAX8640YELT12+T come in? A: It comes in a 5mm x 5mm, 16-pin TQFN package.
Please note that these answers are general and may vary depending on the specific application and requirements.