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LTC3126EUFD
Product Overview
- Category: Integrated Circuit (IC)
- Use: Power Management
- Characteristics: High Efficiency, Low Quiescent Current
- Package: 4mm x 3mm DFN-12
- Essence: Step-Up DC/DC Converter
- Packaging/Quantity: Tape & Reel, 3000 pieces per reel
Specifications
- Input Voltage Range: 1.8V to 5.5V
- Output Voltage Range: 2.5V to 15V
- Switching Frequency: 1MHz
- Maximum Output Current: 500mA
- Quiescent Current: 20µA
- Efficiency: Up to 95%
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
The LTC3126EUFD features a 12-pin DFN package with the following pin configuration:
- VIN: Input Voltage
- SW: Switch Node Connection
- GND: Ground
- FB: Feedback Voltage Input
- VOUT: Output Voltage
- SS: Soft-Start Capacitor Connection
- EN: Enable Pin
- PGND: Power Ground
- BST: Boost Regulator Supply Voltage
- VCC: IC Supply Voltage
- AGND: Analog Ground
- PGOOD: Power Good Indicator
Functional Features
- Wide input voltage range allows for versatile applications.
- High efficiency conversion minimizes power loss.
- Low quiescent current enables energy-saving operation.
- Adjustable output voltage suits various requirements.
- Soft-start feature prevents inrush current during startup.
- Enable pin provides control over device operation.
- Power good indicator ensures reliable system operation.
Advantages and Disadvantages
Advantages: - High efficiency leads to longer battery life. - Low quiescent current reduces power consumption. - Small package size saves board space. - Wide input voltage range enhances flexibility. - Adjustable output voltage accommodates different loads.
Disadvantages: - Limited maximum output current may restrict certain applications. - Higher switching frequency may introduce more noise.
Working Principles
The LTC3126EUFD is a step-up DC/DC converter that efficiently converts a low input voltage to a higher output voltage. It utilizes a boost regulator topology to achieve this conversion. The input voltage is stepped up using an inductor and a switch, while the output voltage is regulated by feedback control. The device operates at a high switching frequency of 1MHz, allowing for smaller external components and reducing overall system size.
Detailed Application Field Plans
The LTC3126EUFD finds applications in various fields, including but not limited to: - Battery-powered devices - Portable electronics - IoT (Internet of Things) devices - Industrial equipment - Automotive systems
Detailed and Complete Alternative Models
Some alternative models to LTC3126EUFD with similar functionality are: - LT1308: Step-Up DC/DC Converter, 1.5A Output Current - LT3467: Step-Up DC/DC Converter, 500mA Output Current - LT1618: Step-Up DC/DC Converter, 1.2A Output Current - LT3470: Step-Up DC/DC Converter, 600mA Output Current - LT1930: Step-Up DC/DC Converter, 1.2A Output Current
These alternative models offer different output currents and may have varying specifications, but they serve as suitable alternatives depending on specific application requirements.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LTC3126EUFD v technických řešeních
Sure! Here are 10 common questions and answers related to the application of LTC3126EUFD in technical solutions:
Q: What is LTC3126EUFD? A: LTC3126EUFD is a high-efficiency, synchronous buck-boost DC/DC converter IC manufactured by Linear Technology (now part of Analog Devices). It is commonly used in various technical solutions.
Q: What is the input voltage range of LTC3126EUFD? A: The input voltage range of LTC3126EUFD is typically from 2.7V to 15V.
Q: What is the output voltage range of LTC3126EUFD? A: The output voltage range of LTC3126EUFD can be adjusted from 1.8V to 15V.
Q: What is the maximum output current of LTC3126EUFD? A: The maximum output current of LTC3126EUFD is typically around 2A.
Q: Can LTC3126EUFD operate in both buck and boost modes? A: Yes, LTC3126EUFD is a versatile buck-boost converter that can operate in both step-up (boost) and step-down (buck) modes.
Q: What is the efficiency of LTC3126EUFD? A: The efficiency of LTC3126EUFD can reach up to 95% under certain operating conditions.
Q: Does LTC3126EUFD have built-in protection features? A: Yes, LTC3126EUFD includes various protection features such as overvoltage protection, undervoltage lockout, and thermal shutdown.
Q: Can LTC3126EUFD be used in battery-powered applications? A: Yes, LTC3126EUFD is suitable for battery-powered applications due to its wide input voltage range and high efficiency.
Q: What type of package does LTC3126EUFD come in? A: LTC3126EUFD is available in a 4mm x 5mm QFN-28 package, which is compact and suitable for space-constrained designs.
Q: Are there any application notes or reference designs available for LTC3126EUFD? A: Yes, Analog Devices provides application notes and reference designs on their website that can help users implement LTC3126EUFD in various technical solutions.
Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.