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L6920DBTR
Product Overview
Category: Integrated Circuit (IC)
Use: Power Management IC
Characteristics: - Low dropout voltage regulator - High output current capability - Adjustable output voltage - Thermal shutdown protection - Overcurrent protection - Short-circuit protection
Package: DBT (PowerSO-10)
Essence: The L6920DBTR is a low dropout voltage regulator designed for power management applications. It provides a stable and adjustable output voltage with high output current capability.
Packaging/Quantity: The L6920DBTR is available in a PowerSO-10 package, which contains one unit of the IC.
Specifications
- Input Voltage Range: 2.5V to 16V
- Output Voltage Range: 1.2V to 15V
- Dropout Voltage: 300mV @ 1A
- Output Current: Up to 1.5A
- Quiescent Current: 100µA
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The L6920DBTR has the following pin configuration:
- GND (Ground)
- Vout (Output Voltage)
- ADJ (Adjustment Pin)
- NC (No Connection)
- NC (No Connection)
- NC (No Connection)
- NC (No Connection)
- Vin (Input Voltage)
- NC (No Connection)
- NC (No Connection)
Functional Features
- Low dropout voltage: The L6920DBTR can regulate the output voltage even when the input voltage is close to the desired output voltage.
- High output current capability: It can provide a maximum output current of 1.5A, making it suitable for various power-hungry applications.
- Adjustable output voltage: The output voltage can be adjusted within a wide range to meet specific requirements.
- Thermal shutdown protection: The IC automatically shuts down when the temperature exceeds a certain threshold, preventing damage due to overheating.
- Overcurrent protection: It safeguards against excessive current flow, protecting both the IC and the connected devices.
- Short-circuit protection: The L6920DBTR detects and protects against short circuits, ensuring the safety of the circuit.
Advantages and Disadvantages
Advantages: - Low dropout voltage ensures efficient power conversion. - High output current capability allows for powering demanding loads. - Adjustable output voltage provides flexibility in various applications. - Built-in protection features enhance reliability and prevent damage.
Disadvantages: - Limited number of pins may restrict the functionality in complex systems. - Requires external components for proper operation.
Working Principles
The L6920DBTR is a linear voltage regulator that operates by maintaining a constant voltage difference between the input and output terminals. It uses a pass transistor to regulate the output voltage based on the feedback received from the adjustment pin (ADJ). The internal circuitry continuously adjusts the pass transistor to maintain the desired output voltage, compensating for changes in load and input voltage.
Detailed Application Field Plans
The L6920DBTR is commonly used in various applications, including but not limited to: - Battery-powered devices - Portable electronic devices - Automotive electronics - Industrial equipment - Telecommunications equipment
Detailed and Complete Alternative Models
- LM1117-3.3: Low dropout voltage regulator with fixed 3.3V output voltage.
- LT1085CT: Adjustable linear voltage regulator with high output current capability.
- TPS7A4700: Ultra-low noise, high PSRR, low dropout voltage regulator.
These alternative models offer similar functionalities and can be considered as substitutes for the L6920DBTR in different applications.
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Enumerați 10 întrebări și răspunsuri comune legate de aplicarea lui L6920DBTR în soluțiile tehnice
Sure! Here are 10 common questions and answers related to the application of L6920DBTR in technical solutions:
Q: What is L6920DBTR? A: L6920DBTR is a voltage regulator IC (integrated circuit) commonly used in technical solutions for regulating power supply voltages.
Q: What is the input voltage range of L6920DBTR? A: The input voltage range of L6920DBTR is typically between 2.5V and 16V.
Q: What is the output voltage range of L6920DBTR? A: The output voltage range of L6920DBTR can be adjusted from 0.8V to 6V using external resistors.
Q: What is the maximum output current of L6920DBTR? A: The maximum output current of L6920DBTR is around 1A, which makes it suitable for powering various electronic components.
Q: Can L6920DBTR handle high-frequency switching applications? A: Yes, L6920DBTR is designed to handle high-frequency switching applications with its fast transient response and low dropout voltage.
Q: Is L6920DBTR suitable for battery-powered devices? A: Yes, L6920DBTR is well-suited for battery-powered devices due to its low quiescent current and ability to operate at low input voltages.
Q: Does L6920DBTR have built-in thermal protection? A: Yes, L6920DBTR incorporates built-in thermal shutdown protection to prevent overheating and ensure safe operation.
Q: Can L6920DBTR be used in automotive applications? A: Yes, L6920DBTR is automotive-grade and can be used in various automotive applications, such as infotainment systems or lighting control.
Q: What is the typical efficiency of L6920DBTR? A: The typical efficiency of L6920DBTR is around 90%, making it an energy-efficient choice for power regulation.
Q: Are there any recommended external components to use with L6920DBTR? A: Yes, L6920DBTR requires a few external components, such as input/output capacitors and resistors for voltage adjustment, as specified in the datasheet.
Please note that these answers are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and consult the manufacturer for detailed information.