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L4938ND013TR
Product Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Regulator
- Characteristics: High efficiency, low dropout voltage, compact package
- Package: TO-252-5L (DPAK)
- Essence: Linear voltage regulator with adjustable output voltage
- Packaging/Quantity: Tape and reel, 2500 units per reel
Specifications
- Input Voltage Range: 4.5V to 28V
- Output Voltage Range: 1.2V to 20V
- Dropout Voltage: 0.45V at 1A load current
- Maximum Output Current: 1.5A
- Line Regulation: ±0.05% typical
- Load Regulation: ±0.1% typical
- Quiescent Current: 80µA typical
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The L4938ND013TR IC has the following pin configuration:
- GND (Ground)
- Vout (Output Voltage)
- ADJ (Adjustment Pin)
- Vin (Input Voltage)
- NC (No Connection)
Functional Features
- Adjustable output voltage through the ADJ pin
- Low dropout voltage ensures efficient power conversion
- Built-in thermal shutdown protection
- Overcurrent and short-circuit protection
- Fast transient response for dynamic loads
Advantages and Disadvantages
Advantages
- High efficiency operation
- Wide input voltage range
- Compact package size
- Adjustable output voltage
- Built-in protection features
Disadvantages
- Limited maximum output current (1.5A)
- Requires external components for stability
- Higher quiescent current compared to some alternatives
Working Principles
The L4938ND013TR is a linear voltage regulator that regulates the output voltage based on the input voltage and the resistance connected to the ADJ pin. It operates by comparing the reference voltage with a fraction of the output voltage, adjusting the pass transistor accordingly to maintain a stable output voltage.
Detailed Application Field Plans
The L4938ND013TR is commonly used in various applications where a regulated power supply is required. Some typical application fields include:
- Consumer electronics
- Automotive systems
- Industrial equipment
- Telecommunications
- Power management modules
Detailed and Complete Alternative Models
- LM317: Adjustable Linear Voltage Regulator, TO-220 package
- LT1084: Adjustable Low Dropout Voltage Regulator, TO-220 package
- TPS7A4700: Adjustable Ultra-Low Dropout Voltage Regulator, D2PAK package
- LM1117: Adjustable Linear Voltage Regulator, SOT-223 package
- NCP1117: Adjustable Linear Voltage Regulator, SOT-223 package
These alternative models offer similar functionality and can be considered as substitutes for the L4938ND013TR in various applications.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de L4938ND013TR en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of L4938ND013TR in technical solutions:
Q: What is L4938ND013TR? A: L4938ND013TR is a specific model of voltage regulator IC (integrated circuit) used in various technical solutions.
Q: What is the purpose of L4938ND013TR? A: The purpose of L4938ND013TR is to regulate and stabilize voltage levels in electronic circuits, ensuring a consistent power supply.
Q: What are the key features of L4938ND013TR? A: Some key features of L4938ND013TR include high efficiency, low dropout voltage, thermal shutdown protection, and overcurrent protection.
Q: What is the input voltage range for L4938ND013TR? A: The input voltage range for L4938ND013TR typically ranges from 4.5V to 40V.
Q: What is the output voltage range for L4938ND013TR? A: The output voltage range for L4938ND013TR can be adjusted using external resistors, but it typically ranges from 1.2V to 37V.
Q: Can L4938ND013TR handle high currents? A: Yes, L4938ND013TR has a maximum output current capability of up to 1.5A, making it suitable for applications that require higher current levels.
Q: Is L4938ND013TR suitable for automotive applications? A: Yes, L4938ND013TR is designed to meet automotive specifications, making it suitable for use in automotive electronics.
Q: Does L4938ND013TR have built-in protection features? A: Yes, L4938ND013TR has built-in protection features such as thermal shutdown and overcurrent protection to safeguard against potential damage.
Q: Can L4938ND013TR operate in a wide temperature range? A: Yes, L4938ND013TR is designed to operate in a wide temperature range, typically from -40°C to 150°C.
Q: What are some typical applications of L4938ND013TR? A: Some typical applications of L4938ND013TR include power supplies, battery chargers, automotive electronics, and industrial control systems.
Please note that the specific details and specifications may vary depending on the manufacturer's datasheet for L4938ND013TR.