IRU1117CPTR
Product Overview
Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics: - Low dropout voltage - High output current capability - Thermal shutdown protection - Short circuit current limit - Fast transient response
Package: TO-252-3 (DPAK)
Essence: The IRU1117CPTR is a low dropout voltage regulator designed to provide a regulated output voltage even when the input voltage is very close to the desired output voltage.
Packaging/Quantity: The IRU1117CPTR is typically sold in reels of 2500 units.
Specifications
- Input Voltage Range: 2.5V to 18V
- Output Voltage Range: 1.2V to 16V
- Dropout Voltage: 1.2V (typical)
- Output Current: Up to 800mA
- Line Regulation: ±0.2% (typical)
- Load Regulation: ±0.4% (typical)
- Quiescent Current: 120µA (typical)
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The IRU1117CPTR has three pins:
- VIN (Pin 1): Input voltage pin.
- GND (Pin 2): Ground reference pin.
- VOUT (Pin 3): Regulated output voltage pin.
Functional Features
- Low dropout voltage ensures stable output voltage even with small input-output voltage differentials.
- High output current capability allows for powering a wide range of loads.
- Thermal shutdown protection prevents the IC from overheating.
- Short circuit current limit protects the IC and connected components from excessive current.
- Fast transient response enables quick regulation of output voltage during load changes.
Advantages and Disadvantages
Advantages: - Low dropout voltage ensures efficient power conversion. - High output current capability allows for versatile applications. - Thermal shutdown protection enhances reliability. - Fast transient response enables stable operation during load changes.
Disadvantages: - Limited output current compared to higher-rated regulators. - Higher quiescent current compared to some other low dropout voltage regulators.
Working Principles
The IRU1117CPTR 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's resistance to maintain a constant output voltage.
Detailed Application Field Plans
The IRU1117CPTR is commonly used in various applications, including but not limited to: - Power supplies for microcontrollers and digital circuits - Battery-powered devices - Automotive electronics - Industrial control systems - Consumer electronics
Detailed and Complete Alternative Models
Some alternative models to the IRU1117CPTR include: - LM1117-3.3 (Texas Instruments) - LT1117-3.3 (Linear Technology) - MCP1702-3302E/TO (Microchip Technology) - TS1117CZ-3.3 (STMicroelectronics)
These alternatives offer similar functionality and can be used as replacements depending on specific requirements.
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技術ソリューションにおける IRU1117CPTR の適用に関連する 10 件の一般的な質問と回答をリストします。
Sure! Here are 10 common questions and answers related to the application of IRU1117CPTR in technical solutions:
Q: What is the IRU1117CPTR? A: The IRU1117CPTR is a low dropout (LDO) voltage regulator IC that provides a stable output voltage from an input voltage source.
Q: What is the maximum input voltage supported by the IRU1117CPTR? A: The IRU1117CPTR can handle a maximum input voltage of 20V.
Q: What is the typical output voltage range of the IRU1117CPTR? A: The IRU1117CPTR typically provides an output voltage range of 1.2V to 5V, depending on the specific variant.
Q: What is the maximum output current capability of the IRU1117CPTR? A: The IRU1117CPTR can deliver a maximum output current of 1A.
Q: Is the IRU1117CPTR suitable for battery-powered applications? A: Yes, the IRU1117CPTR is suitable for battery-powered applications as it has a low dropout voltage and low quiescent current.
Q: Does the IRU1117CPTR require any external components for operation? A: Yes, the IRU1117CPTR requires a minimum set of external components such as input/output capacitors for stability and filtering.
Q: Can the IRU1117CPTR handle thermal overload conditions? A: Yes, the IRU1117CPTR has built-in thermal shutdown protection to prevent damage due to excessive heat.
Q: What is the operating temperature range of the IRU1117CPTR? A: The IRU1117CPTR can operate within a temperature range of -40°C to +125°C.
Q: Can the IRU1117CPTR be used in automotive applications? A: Yes, the IRU1117CPTR is suitable for automotive applications as it meets the necessary requirements for automotive electronics.
Q: Are there any recommended layout guidelines for using the IRU1117CPTR? A: Yes, the datasheet of the IRU1117CPTR provides recommended layout guidelines to ensure proper performance and minimize noise.
Please note that these answers are general and may vary depending on the specific application and requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.