IRU1117-18CP
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 IRU1117-18CP is a low dropout voltage regulator designed to provide a fixed output voltage of 1.8V with a maximum output current of 800mA.
Packaging/Quantity: The IRU1117-18CP is available in tape and reel packaging, with 2,500 units per reel.
Specifications
- Input Voltage Range: 2.5V to 12V
- Output Voltage: 1.8V
- Dropout Voltage: 0.6V typical at 800mA
- Output Current: Up to 800mA
- Line Regulation: ±0.2%
- Load Regulation: ±0.4%
- Quiescent Current: 120µA typical
- Operating Temperature Range: -40°C to +125°C
Pin Configuration
The IRU1117-18CP has three pins:
- VIN - Input voltage pin
- GND - Ground pin
- VOUT - Output voltage pin
Functional Features
- Low dropout voltage allows for efficient regulation even when the input voltage is close to the desired output voltage.
- High output current capability enables the IRU1117-18CP to power a wide range of devices.
- Thermal shutdown protection prevents the IC from overheating and damaging itself or other components.
- Short circuit current limit protects the IC and connected devices from excessive current flow during a short circuit event.
- Fast transient response ensures stable output voltage even during sudden load changes.
Advantages and Disadvantages
Advantages: - Low dropout voltage ensures efficient regulation. - High output current capability allows for versatile applications. - Thermal shutdown protection enhances reliability. - Fast transient response ensures stable performance.
Disadvantages: - Limited output voltage options (fixed at 1.8V). - Maximum output current may not be sufficient for high-power applications.
Working Principles
The IRU1117-18CP 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 voltage.
Detailed Application Field Plans
The IRU1117-18CP can be used in various applications, including but not limited to: - Battery-powered devices - Portable electronics - Embedded systems - Communication equipment - Industrial control systems
Detailed and Complete Alternative Models
Some alternative models to the IRU1117-18CP include: - LM1117-1.8 - LT1117-1.8 - MCP1825S-1802E/DB
These models offer similar functionality and characteristics, providing alternatives for different design requirements.
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기술 솔루션에 IRU1117-18CP 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
Sure! Here are 10 common questions and answers related to the application of IRU1117-18CP in technical solutions:
Q: What is the IRU1117-18CP? A: The IRU1117-18CP is a low dropout (LDO) voltage regulator IC that provides a fixed output voltage of 1.8V.
Q: What is the input voltage range for the IRU1117-18CP? A: The input voltage range for the IRU1117-18CP is typically between 2.5V and 6.0V.
Q: What is the maximum output current of the IRU1117-18CP? A: The maximum output current of the IRU1117-18CP is 800mA.
Q: Can the IRU1117-18CP be used in battery-powered applications? A: Yes, the IRU1117-18CP can be used in battery-powered applications as it has a low dropout voltage and operates at low quiescent current.
Q: Does the IRU1117-18CP require any external components for operation? A: Yes, the IRU1117-18CP requires an input capacitor and an output capacitor for stability and proper operation.
Q: What is the thermal resistance of the IRU1117-18CP? A: The thermal resistance of the IRU1117-18CP is typically 50°C/W.
Q: Can the IRU1117-18CP handle overcurrent or short-circuit conditions? A: Yes, the IRU1117-18CP has built-in overcurrent and short-circuit protection features to ensure safe operation.
Q: Is the IRU1117-18CP available in different package options? A: Yes, the IRU1117-18CP is available in a variety of package options, including TO-220 and D2PAK.
Q: Can the IRU1117-18CP be used in automotive applications? A: Yes, the IRU1117-18CP is suitable for automotive applications as it meets the necessary requirements for automotive-grade components.
Q: What are some typical applications for the IRU1117-18CP? A: The IRU1117-18CP can be used in various applications such as battery-powered devices, embedded systems, consumer electronics, and automotive electronics.
Please note that these answers are general and may vary depending on specific design considerations and requirements.