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LTC3621EDCB-3.3
Product Overview
Category
LTC3621EDCB-3.3 belongs to the category of voltage regulators.
Use
This product is commonly used in electronic circuits to regulate and stabilize voltage levels.
Characteristics
- Input Voltage Range: 2.7V to 5.5V
- Output Voltage: 3.3V
- Maximum Output Current: 1A
- Low Quiescent Current: 20µA
- High Efficiency: Up to 95%
- Adjustable Frequency: 1MHz to 3MHz
- Integrated Power MOSFETs
- Thermal Shutdown Protection
Package
LTC3621EDCB-3.3 comes in a small 6-Lead DFN (2mm x 2mm) package.
Essence
The essence of LTC3621EDCB-3.3 lies in its ability to efficiently regulate input voltage to a stable 3.3V output, making it suitable for various electronic applications.
Packaging/Quantity
This product is typically available in reels containing 3000 units.
Specifications
- Input Voltage Range: 2.7V to 5.5V
- Output Voltage: 3.3V ±2%
- Maximum Output Current: 1A
- Quiescent Current: 20µA
- Efficiency: Up to 95%
- Switching Frequency: Adjustable from 1MHz to 3MHz
- Operating Temperature Range: -40°C to 125°C
- Package Type: 6-Lead DFN (2mm x 2mm)
Detailed Pin Configuration
- VIN: Input Voltage Pin
- GND: Ground Pin
- SW: Switching Node Pin
- FB: Feedback Pin
- EN: Enable Pin
- VOUT: Output Voltage Pin
Functional Features
- Wide input voltage range allows for flexibility in various applications.
- High efficiency ensures minimal power loss during voltage regulation.
- Adjustable switching frequency enables optimization for different system requirements.
- Integrated power MOSFETs simplify the circuit design and reduce external component count.
- Thermal shutdown protection prevents damage due to excessive temperature.
Advantages
- Small package size saves board space in compact designs.
- Low quiescent current minimizes power consumption during standby or idle modes.
- High efficiency reduces heat dissipation and extends battery life in portable devices.
- Adjustable frequency allows for better noise performance and compatibility with other components.
- Integrated power MOSFETs simplify the design process and reduce overall system cost.
Disadvantages
- Limited output current of 1A may not be sufficient for high-power applications.
- Narrow output voltage range restricts its use in systems requiring different voltage levels.
- Non-isolated design may not be suitable for applications requiring galvanic isolation.
Working Principles
LTC3621EDCB-3.3 operates as a synchronous buck regulator, converting the input voltage to a lower, regulated output voltage. It utilizes pulse-width modulation (PWM) techniques to control the duty cycle of the internal power MOSFETs, achieving efficient voltage conversion. The feedback pin (FB) monitors the output voltage and adjusts the duty cycle accordingly to maintain a stable 3.3V output.
Detailed Application Field Plans
LTC3621EDCB-3.3 finds application in various electronic systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - IoT (Internet of Things) devices - Embedded systems
Detailed and Complete Alternative Models
- LTC3621EDCB-5: Output voltage of 5V
- LTC3621EDCB-2.5: Output voltage of 2.5V
- LTC3621EDCB-ADJ: Adjustable output voltage
These alternative models provide different output voltage options to suit specific application requirements.
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Énumérez 10 questions et réponses courantes liées à l'application de LTC3621EDCB-3.3 dans les solutions techniques
Sure! Here are 10 common questions and answers related to the application of LTC3621EDCB-3.3 in technical solutions:
Q1: What is LTC3621EDCB-3.3? A1: LTC3621EDCB-3.3 is a specific model of a low-noise, high-efficiency synchronous buck regulator IC.
Q2: What is the input voltage range for LTC3621EDCB-3.3? A2: The input voltage range for LTC3621EDCB-3.3 is typically between 2.7V and 5.5V.
Q3: What is the output voltage of LTC3621EDCB-3.3? A3: The output voltage of LTC3621EDCB-3.3 is fixed at 3.3V.
Q4: What is the maximum output current of LTC3621EDCB-3.3? A4: The maximum output current of LTC3621EDCB-3.3 is typically around 1.5A.
Q5: Can LTC3621EDCB-3.3 be used in battery-powered applications? A5: Yes, LTC3621EDCB-3.3 can be used in battery-powered applications as it has a wide input voltage range and low quiescent current.
Q6: Does LTC3621EDCB-3.3 have built-in protection features? A6: Yes, LTC3621EDCB-3.3 includes various protection features such as overcurrent protection, thermal shutdown, and short-circuit protection.
Q7: Can LTC3621EDCB-3.3 operate in a wide temperature range? A7: Yes, LTC3621EDCB-3.3 is designed to operate in a wide temperature range, typically from -40°C to 125°C.
Q8: What is the efficiency of LTC3621EDCB-3.3? A8: The efficiency of LTC3621EDCB-3.3 can reach up to 95% under typical operating conditions.
Q9: Can LTC3621EDCB-3.3 be used in automotive applications? A9: Yes, LTC3621EDCB-3.3 is suitable for automotive applications as it meets the necessary requirements and has a wide input voltage range.
Q10: Are there any evaluation boards available for LTC3621EDCB-3.3? A10: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards for LTC3621EDCB-3.3, which can help in testing and prototyping applications.
Please note that these answers are general and may vary depending on specific application requirements and datasheet specifications.