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LTC4261IUFD#PBF
Product Overview
Category
LTC4261IUFD#PBF belongs to the category of integrated circuits (ICs).
Use
This product is commonly used in power management applications.
Characteristics
- The LTC4261IUFD#PBF is a versatile and high-performance IC.
- It offers advanced power management features.
- It is designed to provide efficient and reliable power delivery.
Package
The LTC4261IUFD#PBF comes in a small form factor package, making it suitable for space-constrained applications.
Essence
The essence of this product lies in its ability to regulate and control power delivery efficiently.
Packaging/Quantity
The LTC4261IUFD#PBF is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.
Specifications
- Input Voltage Range: 2.9V to 5.5V
- Output Voltage Range: 0.8V to 3.3V
- Maximum Output Current: 2A
- Operating Temperature Range: -40°C to 85°C
- Package Type: QFN-16
Detailed Pin Configuration
The LTC4261IUFD#PBF has a total of 16 pins, each serving a specific function. Here is a detailed pin configuration:
- VCC: Power supply input
- GND: Ground reference
- EN: Enable pin for controlling the device operation
- VIN: Input voltage pin
- VOUT: Output voltage pin
- FB: Feedback pin for voltage regulation
- PG: Power Good indicator pin
- SDA: Serial data input/output pin (I2C interface)
- SCL: Serial clock input pin (I2C interface)
- INT: Interrupt output pin
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
Functional Features
The LTC4261IUFD#PBF offers the following functional features:
- Integrated power management functions
- Wide input voltage range for compatibility with various power sources
- High output current capability
- Power Good indicator for system monitoring
- I2C interface for easy configuration and control
- Interrupt output for event notification
Advantages and Disadvantages
Advantages
- Efficient power delivery and regulation
- Versatile functionality for different applications
- Small form factor package for space-constrained designs
- Easy configuration and control through the I2C interface
Disadvantages
- Limited maximum output current compared to some other ICs in the same category
- Relatively higher cost compared to simpler power management solutions
Working Principles
The LTC4261IUFD#PBF operates based on a combination of voltage regulation, current sensing, and control logic. It takes an input voltage and regulates it to provide a stable and controlled output voltage. The device continuously monitors the input and output voltages, adjusting its internal circuitry to maintain the desired output voltage within specified limits. It also incorporates protection features to safeguard against overvoltage, undervoltage, and overcurrent conditions.
Detailed Application Field Plans
The LTC4261IUFD#PBF finds application in various power management scenarios, including but not limited to:
- Industrial automation systems
- Telecommunications equipment
- Data centers and server farms
- Automotive electronics
- Portable electronic devices
In these applications, the LTC4261IUFD#PBF can be used to regulate and control power supply voltages, ensuring stable and reliable operation of the connected devices.
Detailed and Complete Alternative Models
- LTC4260IUFD#PBF
- LTC4262IUFD#PBF
- LTC4263IUFD#PBF
- LTC4264IUFD#PBF
- LTC4265IUFD#PBF
These alternative models offer similar functionality and features, providing flexibility in choosing the most suitable IC for specific power management requirements.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LTC4261IUFD#PBF v technických řešeních
Sure! Here are 10 common questions and answers related to the application of LTC4261IUFD#PBF in technical solutions:
Q1: What is LTC4261IUFD#PBF? A1: LTC4261IUFD#PBF is a specific model number for a power sourcing equipment (PSE) controller IC manufactured by Linear Technology (now part of Analog Devices). It is used in Power over Ethernet (PoE) applications.
Q2: What is the purpose of LTC4261IUFD#PBF? A2: The LTC4261IUFD#PBF is designed to provide power and control to PoE devices, such as IP cameras, wireless access points, and VoIP phones, by acting as a PSE.
Q3: What are the key features of LTC4261IUFD#PBF? A3: Some key features of LTC4261IUFD#PBF include IEEE 802.3af/at compliant PSE controller, integrated detection and classification, programmable current limit, and fault protection.
Q4: How does LTC4261IUFD#PBF detect and classify PoE devices? A4: LTC4261IUFD#PBF uses a proprietary detection algorithm to identify if a connected device is a valid PoE device. It also classifies the device based on its power requirements.
Q5: Can LTC4261IUFD#PBF support both IEEE 802.3af and IEEE 802.3at standards? A5: Yes, LTC4261IUFD#PBF is compatible with both IEEE 802.3af and IEEE 802.3at standards, allowing it to work with a wide range of PoE devices.
Q6: How can I program the current limit on LTC4261IUFD#PBF? A6: The current limit on LTC4261IUFD#PBF can be programmed using external resistors connected to the ISET pin. The datasheet provides detailed information on how to calculate the required resistor values.
Q7: What fault protection features does LTC4261IUFD#PBF offer? A7: LTC4261IUFD#PBF includes various fault protection features such as overcurrent protection, short-circuit protection, and thermal shutdown to ensure safe operation of the PSE.
Q8: Can LTC4261IUFD#PBF be used in high-power PoE applications? A8: Yes, LTC4261IUFD#PBF is designed to handle high-power PoE applications, supporting up to 25.5W of power per port.
Q9: Does LTC4261IUFD#PBF require an external microcontroller for operation? A9: No, LTC4261IUFD#PBF is a standalone PSE controller that does not require an external microcontroller. It can operate independently with minimal external components.
Q10: Is LTC4261IUFD#PBF available in other package options? A10: Yes, LTC4261IUFD#PBF is available in a 28-lead QFN package. However, it's always recommended to check the latest product documentation or contact the manufacturer for the most up-to-date information on available package options.
Please note that the answers provided here are general and may vary depending on specific application requirements. It's always advisable to refer to the datasheet and consult with technical experts for accurate and detailed information.