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LR3802
LR3802 chip is a power management IC for use in portable devices, featuring high efficiency and low stand-by power consumption.
LR3802
LR3802 chip is a power management IC for use in portable devices, featuring high efficiency and low stand-by power consumption.
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Service & Packaging
Service & Packaging
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LR3802 DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
LR3802 is a voltage regulator IC that belongs to the LR38XX series. It is a low-dropout (LDO) regulator, which means it can maintain a stable output voltage even when the input voltage is close to the output voltage. The LR3802 is commonly used in various electronic devices and circuits to provide a regulated voltage supply. The LR3802 has a maximum output current of 500 mA and a low dropout voltage of around 200 mV at full load, making it efficient and suitable for applications where a constant voltage supply is required. It has a wide input voltage range, typically from 2V to 6V, and an adjustable output voltage ranging from 1.2V to 5V, making it versatile for different power supply requirements. This IC also features thermal shutdown and current limit protections, ensuring the safety and longevity of the device and the connected circuits. It comes in a small form factor package, typically SOT-23 or similar, making it easy to integrate into compact designs.
Key Features
- Compact and lightweight design
- High-resolution LCD display
- Wide measuring range
- Easy-to-use interface
- Long battery life
- Automatic shut-off feature
- Durable construction for long-lasting use
- Multiple measurement units available
- Portable and convenient for on-the-go use
Application
- Industrial automation
- Robotics
- Material handling
- Product packaging
- Automated assembly
- Inspection and quality control
- Testing and measurement
- Agricultural automation
- Food and beverage processing
- Automotive manufacturing
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Manufacturer | IR | Product Category ! | FETs - Single |
FAQs
What is LR3802?
The LR3802 is a low dropout regulator (LDO) IC designed by Infineon Technologies. It is commonly used to provide stable voltage outputs with minimal voltage drop, making it suitable for applications requiring precise voltage regulation, such as power management circuits in electronic devices.
How Does LR3802 Work?
The LR3802 operates by maintaining a stable output voltage even when the input voltage varies. It regulates the output voltage by adjusting the internal circuitry based on the reference voltage and feedback mechanism. The LDO ensures a constant voltage output with minimal dropout, making it ideal for sensitive electronic components.
How Many Pins does LR3802 have and What are the Functions of the Pinout Configuration?
The LR3802 typically comes in a standard TO-252 or TO-263 package with 3 pins. The pinout configuration includes:
- VIN: Input voltage pin.
- VOUT: Output voltage pin.
- GND: Ground pin.
What are the Pros and Cons of LR3802?
Pros:
- Low Dropout: Maintains a stable output voltage even with small input voltage changes.
- Precision Regulation: Offers precise voltage regulation for sensitive electronic components.
- Thermal Shutdown Protection: Includes thermal shutdown protection to prevent overheating.
- Easy to Use: Simple 3-pin configuration for easy integration into circuits.
Cons:
- Limited Current Capacity: May have limitations on maximum output current compared to other regulators.
- Heat Dissipation: Requires proper heat sinking for efficient operation, especially at high currents.
Are There Any Equivalents/Alternatives to LR3802 for Recommendation?
- Alternatives to the LR3802 include the LM1117 from Texas Instruments and the MCP1703 from Microchip Technology.
- The equivalent part to the LR3802 is the MIC5205 from Microchip Technology.
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