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LTC3614EUDD
Product Overview
- Category: Integrated Circuit (IC)
- Use: Power Management
- Characteristics: High efficiency, low quiescent current, small form factor
- Package: 12-pin DFN (Dual Flat No-Lead) package
- Essence: Step-down DC/DC converter
- Packaging/Quantity: Tape and reel packaging, 2500 units per reel
Specifications
- Input Voltage Range: 2.25V to 5.5V
- Output Voltage Range: 0.6V to VIN
- Maximum Output Current: 4A
- Switching Frequency: 1MHz
- Efficiency: Up to 95%
- Quiescent Current: 20µA
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
- VIN: Input voltage pin
- GND: Ground pin
- SW: Switching node connection
- FB: Feedback voltage pin
- SS: Soft-start capacitor connection
- VCC: Internal regulator output
- PGND: Power ground pin
- EN: Enable pin
- SYNC: Synchronization input/output
- BST: Bootstrap capacitor connection
- LX: Inductor connection
- VOUT: Output voltage pin
Functional Features
- Wide input voltage range allows for versatile applications
- High efficiency conversion minimizes power loss
- Low quiescent current enables energy-saving operation
- Small form factor package suits space-constrained designs
- Adjustable output voltage provides flexibility
Advantages
- High efficiency results in longer battery life
- Low quiescent current reduces standby power consumption
- Compact size facilitates integration into various systems
- Wide input voltage range accommodates different power sources
- Adjustable output voltage meets diverse application requirements
Disadvantages
- Limited maximum output current may restrict certain high-power applications
- Higher cost compared to non-integrated power management solutions
- Sensitive to external noise due to high switching frequency
Working Principles
The LTC3614EUDD is a step-down DC/DC converter that utilizes a synchronous rectification topology. It operates by converting a higher input voltage to a lower output voltage with high efficiency. The integrated circuit incorporates a control loop that regulates the output voltage based on the feedback signal received from the FB pin. The SW pin controls the switching of the internal MOSFETs, allowing energy transfer from the input to the output. The EN pin enables or disables the device, while the SYNC pin provides synchronization capability.
Detailed Application Field Plans
The LTC3614EUDD is commonly used in various applications, including:
- Portable electronic devices: Provides efficient power conversion for smartphones, tablets, and portable media players.
- Industrial equipment: Suitable for powering sensors, actuators, and control systems in industrial automation.
- Automotive electronics: Used in automotive infotainment systems, lighting modules, and advanced driver assistance systems (ADAS).
- IoT devices: Enables power management in smart home devices, wearables, and wireless sensor networks.
- Battery-powered systems: Ideal for energy harvesting applications, battery chargers, and solar-powered devices.
Detailed and Complete Alternative Models
- LT8614S: Similar specifications with higher maximum output current (6A)
- LTC3615EUFD: Comparable features with adjustable output voltage range (0.6V to 5.5V)
- LT8609S: Lower quiescent current (10µA) with slightly reduced maximum output current (3.5A)
- LTC3612EUFD: Integrated IC with similar characteristics but different pin configuration
- LT8640S: Higher switching frequency (2MHz) for improved transient response
(Note: The above alternative models are provided as examples and may not cover all available options in the market.)
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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van LTC3614EUDD in technische oplossingen
Sure! Here are 10 common questions and answers related to the application of LTC3614EUDD in technical solutions:
Q: What is LTC3614EUDD? A: LTC3614EUDD is a high-efficiency, synchronous buck regulator IC (integrated circuit) designed for use in various power management applications.
Q: What is the input voltage range supported by LTC3614EUDD? A: The input voltage range supported by LTC3614EUDD is typically between 2.25V and 5.5V.
Q: What is the output voltage range that can be achieved with LTC3614EUDD? A: The output voltage range that can be achieved with LTC3614EUDD is adjustable from 0.6V to VIN.
Q: What is the maximum output current that LTC3614EUDD can handle? A: LTC3614EUDD can handle a maximum output current of up to 4A.
Q: Is LTC3614EUDD suitable for battery-powered applications? A: Yes, LTC3614EUDD is suitable for battery-powered applications as it supports a wide input voltage range and offers high efficiency.
Q: Does LTC3614EUDD have built-in protection features? A: Yes, LTC3614EUDD includes various protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.
Q: Can LTC3614EUDD operate in a wide temperature range? A: Yes, LTC3614EUDD can operate in a temperature range of -40°C to 125°C, making it suitable for a wide range of environments.
Q: What type of package does LTC3614EUDD come in? A: LTC3614EUDD is available in a 16-lead QFN (Quad Flat No-Lead) package.
Q: Can LTC3614EUDD be used in automotive applications? A: Yes, LTC3614EUDD is suitable for automotive applications as it meets the necessary requirements and standards.
Q: Are there any evaluation boards or reference designs available for LTC3614EUDD? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs to help users get started with LTC3614EUDD in their applications.
Please note that the answers provided here are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and application notes for detailed information.