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LDL1117S15R
Product Overview
- Category: Voltage Regulator
- Use: Provides a stable output voltage for electronic devices
- Characteristics: Low dropout, high accuracy, low quiescent current
- Package: TO-252-2 (DPAK)
- Essence: Linear regulator with adjustable output voltage
- Packaging/Quantity: Available in reels of 2500 units
Specifications
- Input Voltage Range: 4.75V to 20V
- Output Voltage Range: 1.25V to 18V
- Output Current: Up to 800mA
- Dropout Voltage: 1.15V (typical)
- Quiescent Current: 5mA (typical)
- Line Regulation: ±0.2% (typical)
- Load Regulation: ±0.4% (typical)
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The LDL1117S15R has three pins:
- VIN - Input voltage pin
- GND - Ground pin
- VOUT - Output voltage pin
Functional Features
- Low dropout voltage ensures efficient power conversion
- High accuracy provides a stable output voltage
- Low quiescent current minimizes power consumption
- Overcurrent and thermal protection for enhanced reliability
- Adjustable output voltage allows flexibility in design
Advantages and Disadvantages
Advantages
- Wide input voltage range enables compatibility with various power sources
- Excellent line and load regulation for precise voltage control
- Compact TO-252-2 package facilitates easy integration into circuit designs
- Robust protection features enhance device durability
Disadvantages
- Limited output current may not be suitable for high-power applications
- Dropout voltage may cause a significant power loss in low input voltage scenarios
Working Principles
The LDL1117S15R is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage, adjusting the pass transistor accordingly to maintain a stable output.
Detailed Application Field Plans
The LDL1117S15R finds applications in various electronic devices and systems, including:
- Battery-powered devices: Provides a stable voltage for microcontrollers, sensors, and other low-power components.
- Automotive electronics: Regulates voltage for infotainment systems, lighting modules, and control units.
- Industrial equipment: Ensures reliable power supply for sensors, actuators, and control circuits.
- Communication systems: Stabilizes voltage for RF modules, transceivers, and signal processing units.
Detailed and Complete Alternative Models
- LM1117-ADJ: Adjustable output voltage, TO-252 package, 800mA output current.
- LT1117-5: Fixed 5V output voltage, TO-220 package, 800mA output current.
- LDO1117-3.3: Fixed 3.3V output voltage, SOT-223 package, 800mA output current.
(Note: This list is not exhaustive and serves as an example of alternative models.)
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LDL1117S15R en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of LDL1117S15R in technical solutions:
Q: What is the LDL1117S15R? A: The LDL1117S15R is a low-dropout linear voltage regulator that provides a fixed output voltage of 1.5V.
Q: What is the input voltage range for the LDL1117S15R? A: The input voltage range for the LDL1117S15R is typically between 2.5V and 20V.
Q: What is the maximum output current of the LDL1117S15R? A: The maximum output current of the LDL1117S15R is 800mA.
Q: Can the LDL1117S15R be used in battery-powered applications? A: Yes, the LDL1117S15R can be used in battery-powered applications as it has a low dropout voltage and low quiescent current.
Q: Is the LDL1117S15R suitable for use in automotive applications? A: Yes, the LDL1117S15R is designed to meet automotive requirements and can be used in automotive applications.
Q: Does the LDL1117S15R require any external components for operation? A: Yes, the LDL1117S15R requires an input capacitor and an output capacitor for stable operation.
Q: What is the thermal resistance of the LDL1117S15R? A: The thermal resistance of the LDL1117S15R is typically around 50°C/W.
Q: Can the LDL1117S15R handle short-circuit conditions? A: Yes, the LDL1117S15R has built-in short-circuit protection to prevent damage under short-circuit conditions.
Q: Is the LDL1117S15R available in different package options? A: Yes, the LDL1117S15R is available in various package options, such as SOT-223 and DPAK.
Q: What are some typical applications for the LDL1117S15R? A: The LDL1117S15R is commonly used in applications such as battery-powered devices, automotive electronics, and industrial control systems.
Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications of the LDL1117S15R.