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LTC3126IFE
Product Overview
- Category: Integrated Circuit (IC)
- Use: Power Management
- Characteristics: High Efficiency, Low Quiescent Current
- Package: 16-Lead TSSOP
- Essence: Step-Up DC/DC Converter
- Packaging/Quantity: Tape & Reel, 2500 units 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
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
The LTC3126IFE has a 16-lead TSSOP package with the following pin configuration:
- VIN: Input Voltage
- GND: Ground
- SW: Switch Node Connection
- FB: Feedback Voltage Input
- VOUT: Output Voltage
- SS: Soft-Start Capacitor Connection
- PGND: Power Ground
- EN: Enable Pin
- VCC: Supply Voltage for Internal Circuitry
- BST: Boost Regulator Output
- AGND: Analog Ground
- COMP: Compensation Node
- RT: Timing Resistor Connection
- SYNC: Synchronization Input
- SS/TRK: Soft-Start/Tracking Control
- PGOOD: Power Good Indicator
Functional Features
- High Efficiency: The LTC3126IFE utilizes a high-efficiency step-up DC/DC converter design, ensuring minimal power loss during voltage conversion.
- Low Quiescent Current: With a quiescent current of only 20µA, the LTC3126IFE minimizes power consumption in standby or idle modes.
- Wide Input and Output Voltage Range: The IC can accept input voltages ranging from 1.8V to 5.5V and provides output voltages between 2.5V and 15V, making it versatile for various applications.
- Synchronization Capability: The SYNC pin allows synchronization with an external clock signal, enabling precise timing control in multi-device systems.
Advantages and Disadvantages
Advantages: - High efficiency results in reduced power consumption and longer battery life. - Low quiescent current minimizes standby power drain. - Wide input and output voltage range offers flexibility in design. - Synchronization capability enables precise timing control.
Disadvantages: - Limited maximum output current of 500mA may not be suitable for high-power applications. - Requires additional external components for proper operation.
Working Principles
The LTC3126IFE is a step-up DC/DC converter that converts a lower input voltage to a higher output voltage. It utilizes a high-frequency switching regulator to efficiently transfer energy from the input to the output. The internal control circuitry ensures stable and regulated output voltage, while the feedback loop adjusts the duty cycle of the switching transistor to maintain the desired output voltage.
Detailed Application Field Plans
The LTC3126IFE is commonly used in various applications, including but not limited to: - Battery-powered devices - Portable electronics - IoT (Internet of Things) devices - Wireless communication systems - Industrial control systems
Detailed and Complete Alternative Models
- LTC3126EFE: Similar specifications and features, but comes in a 20-Lead TSSOP package.
- LTC3126HFE: Higher maximum output current of 1A, suitable for more demanding applications.
- LTC3126IDE: Provides an adjustable output voltage range, allowing for greater flexibility in design.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LTC3126IFE v technických řešeních
Sure! Here are 10 common questions and answers related to the application of LTC3126IFE in technical solutions:
Q: What is LTC3126IFE? A: LTC3126IFE 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 for power management.
Q: What is the input voltage range of LTC3126IFE? A: The input voltage range of LTC3126IFE is typically between 1.8V and 5.5V.
Q: What is the output voltage range of LTC3126IFE? A: The output voltage range of LTC3126IFE can be adjusted from 1.8V to 5.25V using external resistors.
Q: What is the maximum output current of LTC3126IFE? A: The maximum output current of LTC3126IFE is typically 2A.
Q: Can LTC3126IFE operate in both buck and boost modes? A: Yes, LTC3126IFE is a versatile buck-boost converter that can operate in both step-up (boost) and step-down (buck) modes, allowing it to regulate the output voltage regardless of whether the input voltage is higher or lower than the desired output voltage.
Q: Does LTC3126IFE have built-in protection features? A: Yes, LTC3126IFE includes various protection features such as overvoltage protection (OVP), undervoltage lockout (UVLO), thermal shutdown, and short-circuit protection.
Q: What is the switching frequency of LTC3126IFE? A: The switching frequency of LTC3126IFE is typically set at 1MHz, but it can be adjusted using an external resistor.
Q: Can LTC3126IFE operate in a wide temperature range? A: Yes, LTC3126IFE is designed to operate in a wide temperature range, typically from -40°C to 125°C.
Q: What type of package does LTC3126IFE come in? A: LTC3126IFE is available in a 16-lead TSSOP (Thin Shrink Small Outline Package) for easy integration into various technical solutions.
Q: What are some typical applications of LTC3126IFE? A: LTC3126IFE is commonly used in battery-powered devices, portable electronics, industrial equipment, automotive systems, and other applications where efficient power management is required.
Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.