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LTC3611IWP
Product Overview
Category: Integrated Circuit (IC)
Use: Power Management
Characteristics: - High efficiency step-down DC/DC converter - Wide input voltage range - Adjustable output voltage - Low quiescent current - Overcurrent and overtemperature protection - Small form factor
Package: 20-Lead Plastic TSSOP
Essence: The LTC3611IWP is a high-performance step-down DC/DC converter designed for power management applications. It offers high efficiency, adjustable output voltage, and various protection features in a compact package.
Packaging/Quantity: The LTC3611IWP is available in a 20-Lead Plastic Thin Shrink Small Outline Package (TSSOP). The quantity per package may vary depending on the supplier.
Specifications
- Input Voltage Range: 2.25V to 5.5V
- Output Voltage Range: 0.6V to VIN
- Maximum Output Current: 4A
- Switching Frequency: Up to 4MHz
- Quiescent Current: 40µA
- Operating Temperature Range: -40°C to 125°C
Pin Configuration
The LTC3611IWP has a total of 20 pins. Here is the detailed pin configuration:
- VIN: Input Voltage
- SW: Switch Node Connection
- PGND: Power Ground
- AGND: Analog Ground
- FB: Feedback Voltage Input
- SS: Soft-Start Capacitor Connection
- VCC: IC Supply Voltage
- EN: Enable Pin
- SYNC: External Clock Synchronization
- RT: Oscillator Timing Resistor
- CT: Oscillator Timing Capacitor
- BST: Bootstrap Capacitor Connection
- LX: Inductor Connection
- VOUT: Output Voltage
- PGND: Power Ground
- AGND: Analog Ground
- FB: Feedback Voltage Input
- SS: Soft-Start Capacitor Connection
- VCC: IC Supply Voltage
- EN: Enable Pin
Functional Features
- High Efficiency: The LTC3611IWP offers high efficiency conversion, minimizing power losses and maximizing battery life.
- Adjustable Output Voltage: The output voltage can be adjusted according to the application requirements.
- Protection Features: The IC includes overcurrent and overtemperature protection, ensuring safe operation under various conditions.
- Small Form Factor: The compact package allows for space-saving designs in power management applications.
Advantages and Disadvantages
Advantages: - High efficiency conversion - Adjustable output voltage - Overcurrent and overtemperature protection - Compact size
Disadvantages: - Limited input voltage range (2.25V to 5.5V) - Maximum output current limited to 4A
Working Principles
The LTC3611IWP is a step-down DC/DC converter that uses a synchronous buck topology. It operates by switching the input voltage across an inductor and then filtering it to obtain the desired output voltage. The integrated control circuitry ensures efficient power transfer and regulates the output voltage within the specified range. The IC also incorporates protection features to safeguard against overcurrent and overtemperature conditions.
Detailed Application Field Plans
The LTC3611IWP is suitable for a wide range of power management applications, including but not limited to: - Portable electronic devices - Battery-powered systems - Industrial equipment - Automotive electronics - Distributed power systems
Detailed and Complete Alternative Models
- LTC3611EWP: Similar specifications and features as LTC3611IWP, but with a different package (20-Lead Plastic TSSOP).
- LTC3611HWP: Higher maximum output current (up to 6A) compared to LTC3611IWP, suitable for applications requiring higher power delivery.
- LTC3611MWP: Lower quiescent current (20µA) compared to LTC3611IWP, ideal for battery-powered devices where power efficiency is crucial.
These alternative models offer similar functionality and can be considered based on specific application requirements.
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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van LTC3611IWP in technische oplossingen
What is the input voltage range of LTC3611IWP?
- The input voltage range of LTC3611IWP is 2.5V to 5.5V.What is the typical output current capability of LTC3611IWP?
- The typical output current capability of LTC3611IWP is 1A.Can LTC3611IWP be used in battery-powered applications?
- Yes, LTC3611IWP is suitable for battery-powered applications due to its low input voltage range and high efficiency.What is the switching frequency of LTC3611IWP?
- The switching frequency of LTC3611IWP is typically 2.25MHz.Is LTC3611IWP suitable for portable electronic devices?
- Yes, LTC3611IWP is well-suited for portable electronic devices due to its small size and low power consumption.Does LTC3611IWP have built-in overcurrent protection?
- Yes, LTC3611IWP features built-in overcurrent protection to safeguard the circuit and connected devices.Can LTC3611IWP operate in a wide temperature range?
- Yes, LTC3611IWP is designed to operate in a wide temperature range, making it suitable for various environments.What type of package does LTC3611IWP come in?
- LTC3611IWP is available in a 10-lead DFN package for compact and space-constrained designs.Is LTC3611IWP compatible with both ceramic and tantalum capacitors?
- Yes, LTC3611IWP is compatible with both ceramic and tantalum capacitors, offering flexibility in component selection.Can LTC3611IWP be used in automotive applications?
- Yes, LTC3611IWP is suitable for automotive applications, providing reliable power conversion in automotive systems.