LM27964SQX-I
Product Overview
Category: Integrated Circuit (IC)
Use: Power Management IC
Characteristics: - High efficiency voltage regulator - Low dropout voltage - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection - Small package size
Package: QFN (Quad Flat No-leads)
Essence: LM27964SQX-I is a power management IC designed to regulate voltage efficiently in various electronic devices.
Packaging/Quantity: The LM27964SQX-I is available in a QFN package. The quantity per package may vary depending on the supplier.
Specifications
- Input Voltage Range: 2.7V to 5.5V
- Output Voltage Range: 0.8V to VIN
- Maximum Output Current: 1A
- Dropout Voltage: 200mV at 1A
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The LM27964SQX-I has the following pin configuration:
- VIN: Input voltage pin
- GND: Ground pin
- EN: Enable pin
- FB: Feedback pin
- VOUT: Output voltage pin
Functional Features
- High efficiency conversion
- Low dropout voltage for improved power efficiency
- Overcurrent protection to prevent damage to the IC and connected devices
- Thermal protection to prevent overheating
- Adjustable output voltage for flexibility in different applications
Advantages and Disadvantages
Advantages: - High efficiency operation - Wide input voltage range - Compact package size - Overcurrent and thermal protection
Disadvantages: - Limited maximum output current (1A) - Dropout voltage of 200mV may affect performance in low voltage applications
Working Principles
The LM27964SQX-I is a voltage regulator that uses a switching mechanism to efficiently convert the input voltage to a regulated output voltage. It employs a control loop to maintain the desired output voltage by adjusting the duty cycle of the internal switch.
Detailed Application Field Plans
The LM27964SQX-I can be used in various applications, including but not limited to: - Portable electronic devices - Battery-powered systems - IoT (Internet of Things) devices - Wearable technology - Embedded systems
Detailed and Complete Alternative Models
Some alternative models to LM27964SQX-I that offer similar functionality are: - LM1117-ADJ - TPS7A4700 - LT1763-5
These alternatives may have different specifications and pin configurations, so it is important to review their datasheets for detailed information.
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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق LM27964SQX-I في الحلول التقنية
Sure! Here are 10 common questions and answers related to the application of LM27964SQX-I in technical solutions:
Q: What is LM27964SQX-I? A: LM27964SQX-I is a voltage regulator IC (integrated circuit) designed for use in various technical solutions.
Q: What is the input voltage range of LM27964SQX-I? A: The input voltage range of LM27964SQX-I is typically between 2.7V and 5.5V.
Q: What is the output voltage range of LM27964SQX-I? A: The output voltage range of LM27964SQX-I can be adjusted from 0.6V to 5.5V.
Q: What is the maximum output current of LM27964SQX-I? A: LM27964SQX-I can provide a maximum output current of up to 1A.
Q: Can LM27964SQX-I operate in a wide temperature range? A: Yes, LM27964SQX-I is designed to operate in a wide temperature range, typically from -40°C to 125°C.
Q: Does LM27964SQX-I have built-in protection features? A: Yes, LM27964SQX-I includes built-in protection features such as thermal shutdown, overcurrent protection, and short-circuit protection.
Q: Can LM27964SQX-I be used in battery-powered applications? A: Yes, LM27964SQX-I is suitable for battery-powered applications due to its low quiescent current and high efficiency.
Q: Is LM27964SQX-I compatible with both ceramic and tantalum capacitors? A: Yes, LM27964SQX-I is compatible with both ceramic and tantalum capacitors for input and output filtering.
Q: Can LM27964SQX-I be used in automotive applications? A: Yes, LM27964SQX-I is qualified for automotive applications and meets the necessary standards and requirements.
Q: Are there any evaluation boards or reference designs available for LM27964SQX-I? A: Yes, Texas Instruments provides evaluation boards and reference designs to help users quickly prototype and implement LM27964SQX-I in their applications.
Please note that these answers are general and may vary depending on specific application requirements and datasheet specifications.