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MAX1687ESA+ - English Editing Encyclopedia Entry
Product Overview
Category
MAX1687ESA+ belongs to the category of integrated circuits (ICs).
Use
It is primarily used as a step-up DC-DC converter.
Characteristics
- High efficiency
- Low input voltage operation
- Adjustable output voltage
- Overcurrent protection
- Thermal shutdown protection
Package
MAX1687ESA+ comes in a small outline package (SOIC) with 8 pins.
Essence
The essence of MAX1687ESA+ lies in its ability to efficiently convert low input voltages to higher output voltages, making it suitable for various applications.
Packaging/Quantity
This product is typically packaged in reels or tubes and is available in quantities of 2500 units per reel/tube.
Specifications
- Input Voltage Range: 2.5V to 16V
- Output Voltage Range: 3.3V to 28V
- Maximum Output Current: 100mA
- Switching Frequency: 500kHz
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
- VIN: Input voltage pin
- GND: Ground pin
- FB: Feedback pin for adjusting the output voltage
- EN: Enable pin for turning the converter on/off
- SW: Switching node pin
- VOUT: Output voltage pin
- SS/TR: Soft-start/Tracking pin
- COMP: Compensation pin for stability control
Functional Features
- Step-up voltage conversion
- Adjustable output voltage through feedback pin
- Soft-start function for controlled startup
- Overcurrent protection to prevent damage
- Thermal shutdown protection to prevent overheating
Advantages and Disadvantages
Advantages
- High efficiency conversion
- Wide input voltage range
- Compact package size
- Overcurrent and thermal protection features
Disadvantages
- Limited maximum output current (100mA)
- Requires external components for operation
Working Principles
MAX1687ESA+ operates as a step-up DC-DC converter. It uses an internal oscillator to control the switching of the power MOSFET, which converts the input voltage to a higher output voltage. The feedback pin allows the user to adjust the output voltage according to their requirements. The soft-start function ensures a controlled startup, while the overcurrent and thermal shutdown protections safeguard the circuit from damage.
Detailed Application Field Plans
MAX1687ESA+ finds applications in various fields, including: 1. Battery-powered devices 2. Portable electronics 3. Automotive systems 4. LED lighting 5. Industrial equipment
Detailed and Complete Alternative Models
Some alternative models to MAX1687ESA+ include: 1. MAX1686ESA+ 2. MAX1688ESA+ 3. MAX1689ESA+
These models offer similar functionality and can be considered as alternatives based on specific requirements.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX1687ESA+ v technických řešeních
Sure! Here are 10 common questions and answers related to the application of MAX1687ESA+ in technical solutions:
Q: What is the MAX1687ESA+? A: The MAX1687ESA+ is a high-efficiency, step-up DC-DC converter designed for driving up to 10 white LEDs in series.
Q: What is the input voltage range of the MAX1687ESA+? A: The input voltage range of the MAX1687ESA+ is typically between 2.5V and 5.5V.
Q: What is the maximum output current of the MAX1687ESA+? A: The maximum output current of the MAX1687ESA+ is typically 30mA.
Q: Can the MAX1687ESA+ be used to drive other types of LEDs apart from white LEDs? A: Yes, the MAX1687ESA+ can be used to drive other types of LEDs as long as they are within the specified voltage and current limits.
Q: Does the MAX1687ESA+ have built-in over-temperature protection? A: Yes, the MAX1687ESA+ has built-in thermal shutdown protection to prevent damage due to excessive temperature.
Q: Can the MAX1687ESA+ operate with a single-cell battery? A: Yes, the MAX1687ESA+ can operate with a single-cell battery as long as the input voltage is within the specified range.
Q: Is the MAX1687ESA+ suitable for automotive applications? A: Yes, the MAX1687ESA+ is suitable for automotive applications as it can withstand the required temperature and voltage ranges.
Q: Can the MAX1687ESA+ be used in dimming applications? A: Yes, the MAX1687ESA+ supports PWM dimming control for adjusting the brightness of the LEDs.
Q: What is the efficiency of the MAX1687ESA+? A: The efficiency of the MAX1687ESA+ can reach up to 90% depending on the input and output conditions.
Q: Are there any evaluation boards or reference designs available for the MAX1687ESA+? A: Yes, Maxim Integrated provides evaluation kits and reference designs that can help in implementing the MAX1687ESA+ in various applications.
Please note that these answers are general and may vary based on specific application requirements. It is always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.