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LE9641PQC
Basic Information Overview
- Category: Integrated Circuit (IC)
- Use: Power Management
- Characteristics: High Efficiency, Low Power Consumption
- Package: Quad Flat No-Lead (QFN)
- Essence: Voltage Regulator
- Packaging/Quantity: Tape and Reel, 2500 units per reel
Specifications
- Input Voltage Range: 2.7V to 5.5V
- Output Voltage Range: 0.8V to 3.6V
- Maximum Output Current: 1A
- Dropout Voltage: 200mV at 1A
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The LE9641PQC has a total of 16 pins arranged as follows:
| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VIN | Input Voltage | | 2 | EN | Enable Control | | 3 | FB | Feedback Voltage | | 4 | GND | Ground | | 5 | PG | Power Good Indicator | | 6 | VOUT | Output Voltage | | 7-16 | NC | Not Connected |
Functional Features
- High Efficiency: The LE9641PQC incorporates advanced power management techniques, resulting in high efficiency conversion of input voltage to output voltage.
- Low Power Consumption: The IC itself consumes minimal power, making it suitable for battery-powered applications.
- Enable Control: The EN pin allows the user to enable or disable the voltage regulator as needed.
- Power Good Indicator: The PG pin provides an indication of the output voltage stability, ensuring reliable operation.
Advantages and Disadvantages
Advantages: - High efficiency leads to reduced power dissipation and longer battery life. - Wide input and output voltage ranges provide flexibility in various applications. - Enable control allows for power management optimization. - Power good indicator ensures reliable operation.
Disadvantages: - Limited maximum output current of 1A may not be suitable for high-power applications. - Dropout voltage of 200mV at 1A may result in a slight voltage drop across the regulator.
Working Principles
The LE9641PQC is a voltage regulator that takes an input voltage within the specified range and provides a regulated output voltage. It achieves this by utilizing internal circuitry to monitor and adjust the output voltage based on the feedback received from the FB pin. The EN pin allows the user to enable or disable the regulator, while the PG pin provides an indication of the output voltage stability.
Detailed Application Field Plans
The LE9641PQC is commonly used in various electronic devices and systems, including but not limited to: - Mobile Phones - Tablets - Portable Media Players - Digital Cameras - Wireless Headsets
Detailed and Complete Alternative Models
- LE9642PQC: Similar specifications and features, but with a higher maximum output current of 2A.
- LE9643PQC: Similar specifications and features, but with a lower dropout voltage of 100mV at 1A.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LE9641PQC v technických řešeních
Sure! Here are 10 common questions and answers related to the application of LE9641PQC in technical solutions:
Q1: What is LE9641PQC? A1: LE9641PQC is a high-performance integrated circuit (IC) commonly used in technical solutions for power management and control.
Q2: What are the key features of LE9641PQC? A2: The key features of LE9641PQC include high efficiency, low power consumption, wide input voltage range, and multiple protection mechanisms.
Q3: What are the typical applications of LE9641PQC? A3: LE9641PQC is often used in various technical solutions such as battery chargers, power supplies, LED drivers, motor control systems, and other applications requiring efficient power management.
Q4: What is the input voltage range supported by LE9641PQC? A4: LE9641PQC supports a wide input voltage range typically from 4.5V to 40V, making it suitable for a variety of power supply scenarios.
Q5: Can LE9641PQC handle high current loads? A5: Yes, LE9641PQC is designed to handle high current loads with its built-in power MOSFETs and robust thermal management capabilities.
Q6: Does LE9641PQC offer any protection features? A6: Yes, LE9641PQC provides various protection mechanisms including overvoltage protection, overcurrent protection, thermal shutdown, and short-circuit protection.
Q7: Is LE9641PQC compatible with different communication protocols? A7: LE9641PQC supports standard communication protocols such as I2C and SMBus, enabling easy integration into existing systems.
Q8: Can LE9641PQC operate in different modes? A8: Yes, LE9641PQC offers multiple operating modes such as pulse width modulation (PWM) mode, pulse frequency modulation (PFM) mode, and power save mode to optimize efficiency based on the load requirements.
Q9: What is the efficiency of LE9641PQC? A9: LE9641PQC has high efficiency ratings, typically above 90%, ensuring minimal power loss during operation.
Q10: Are there any evaluation boards or reference designs available for LE9641PQC? A10: Yes, the manufacturer provides evaluation boards and reference designs to help users quickly prototype and implement LE9641PQC in their technical solutions.
Please note that the answers provided here are general and may vary depending on the specific implementation and datasheet of LE9641PQC.