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LT3477EFE#PBF
Product Overview
Category
LT3477EFE#PBF belongs to the category of integrated circuits (ICs).
Use
The LT3477EFE#PBF is primarily used as a step-up DC/DC converter.
Characteristics
- High efficiency
- Wide input voltage range
- Adjustable output voltage
- Low quiescent current
- Internal soft-start
- Thermal shutdown protection
Package
LT3477EFE#PBF is available in an 16-pin TSSOP package.
Essence
The essence of LT3477EFE#PBF lies in its ability to efficiently convert a lower input voltage to a higher output voltage, making it suitable for various applications.
Packaging/Quantity
LT3477EFE#PBF is typically packaged in reels and comes in quantities of 2500 units per reel.
Specifications
- Input Voltage Range: 2.5V to 16V
- Output Voltage Range: Up to 34V
- Switching Frequency: 1MHz
- Quiescent Current: 40µA
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
- SW: Switch Node Connection
- GND: Ground
- FB: Feedback Pin
- VCC: Supply Voltage Input
- VIN: Input Voltage
- LX: Inductor Connection
- LX: Inductor Connection
- NC: No Connection
- EN: Enable Pin
- SS/TR: Soft-Start/Tracking Pin
- PGND: Power Ground
- PGND: Power Ground
- VOUT: Output Voltage
- VOUT: Output Voltage
- NC: No Connection
- NC: No Connection
Functional Features
- High efficiency up to 90%
- Adjustable output voltage through external resistors
- Internal soft-start for controlled startup
- Thermal shutdown protection prevents overheating
- Enable pin for easy on/off control
Advantages and Disadvantages
Advantages
- Wide input voltage range allows for versatile applications
- High efficiency reduces power loss
- Adjustable output voltage provides flexibility
- Internal soft-start ensures smooth startup
- Thermal shutdown protection enhances reliability
Disadvantages
- Limited maximum output voltage of 34V
- Requires additional external components for operation
Working Principles
LT3477EFE#PBF operates as a step-up DC/DC converter. It takes a lower input voltage and efficiently boosts it to a higher output voltage using an inductor, a switch, and a diode. The internal control circuitry regulates the switching frequency and duty cycle to maintain the desired output voltage.
Detailed Application Field Plans
LT3477EFE#PBF finds applications in various fields, including: 1. Battery-powered devices 2. LED lighting systems 3. Portable electronics 4. Automotive applications 5. Industrial equipment
Detailed and Complete Alternative Models
- LT3477EFE#TRPBF: Similar to LT3477EFE#PBF but packaged in a 16-pin TSSOP package with tape and reel packaging.
- LT3477IFE#PBF: Similar functionality but packaged in a 20-pin TSSOP package.
- LT3477IFE#TRPBF: Similar to LT3477IFE#PBF but packaged in a 20-pin TSSOP package with tape and reel packaging.
(Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's documentation for a complete list.)
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LT3477EFE#PBF v technických řešeních
Sure! Here are 10 common questions and answers related to the application of LT3477EFE#PBF in technical solutions:
Q: What is the LT3477EFE#PBF? A: The LT3477EFE#PBF is a high-efficiency, monolithic synchronous buck regulator designed for applications requiring high output current.
Q: What is the input voltage range of the LT3477EFE#PBF? A: The input voltage range of the LT3477EFE#PBF is typically between 3V and 36V.
Q: What is the maximum output current of the LT3477EFE#PBF? A: The LT3477EFE#PBF can deliver a maximum output current of up to 2A.
Q: Can the LT3477EFE#PBF operate in a wide temperature range? A: Yes, the LT3477EFE#PBF is designed to operate in a wide temperature range, typically from -40°C to 125°C.
Q: Does the LT3477EFE#PBF require an external compensation network? A: No, the LT3477EFE#PBF features internal compensation, eliminating the need for an external compensation network.
Q: Can the LT3477EFE#PBF be used in battery-powered applications? A: Yes, the LT3477EFE#PBF is suitable for battery-powered applications due to its low quiescent current and high efficiency.
Q: What protection features does the LT3477EFE#PBF offer? A: The LT3477EFE#PBF provides protection against overvoltage, undervoltage, overcurrent, and overtemperature conditions.
Q: Can the LT3477EFE#PBF be used in automotive applications? A: Yes, the LT3477EFE#PBF is automotive qualified and can be used in automotive applications.
Q: Does the LT3477EFE#PBF support adjustable output voltage? A: Yes, the LT3477EFE#PBF supports adjustable output voltage through an external resistor divider network.
Q: What package does the LT3477EFE#PBF come in? A: The LT3477EFE#PBF is available in a 16-lead TSSOP package.
Please note that the answers provided here are general and may vary depending on the specific application and requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.