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LT3965IFE-1#TRPBF
Product Overview
Category
The LT3965IFE-1#TRPBF belongs to the category of integrated circuits (ICs) and specifically falls under the LED driver ICs.
Use
This product is primarily used for driving and controlling LEDs (Light Emitting Diodes). It provides a convenient solution for powering and dimming multiple LEDs in various applications.
Characteristics
- High efficiency: The LT3965IFE-1#TRPBF offers high efficiency power conversion, ensuring minimal energy loss during operation.
- Dimming control: It supports versatile dimming options, allowing users to adjust the brightness of connected LEDs.
- Wide input voltage range: The IC can accept a wide range of input voltages, making it suitable for different power supply configurations.
- Thermal protection: The LT3965IFE-1#TRPBF incorporates thermal shutdown circuitry to prevent overheating and ensure safe operation.
Package
The LT3965IFE-1#TRPBF comes in a small form factor package known as TSSOP-28. This package offers ease of handling and compatibility with standard PCB manufacturing processes.
Essence
The essence of the LT3965IFE-1#TRPBF lies in its ability to efficiently drive and control LEDs, enabling precise illumination control in various applications.
Packaging/Quantity
This product is typically supplied in tape and reel packaging, with 250 units per reel.
Specifications
- Input Voltage Range: 4V to 36V
- Output Current: Up to 1.5A
- Dimming Control: Analog/PWM
- Operating Temperature Range: -40°C to 125°C
- Package Type: TSSOP-28
Detailed Pin Configuration
The LT3965IFE-1#TRPBF features a TSSOP-28 package with the following pin configuration:
- VIN: Input voltage
- GND: Ground
- VCC: Supply voltage for internal circuitry
- ADJ: Dimming control input
- PWM: Pulse Width Modulation dimming control input
- FB: Feedback pin for regulating output current
- ISET: Current set pin
- SW: Switch node connection
- LX: Inductor connection
- PGND: Power ground
- EN/UVLO: Enable/Undervoltage Lockout control 12-28. NC: No connection
Functional Features
- LED Current Regulation: The LT3965IFE-1#TRPBF ensures precise regulation of LED current, maintaining consistent brightness levels.
- Wide Dimming Range: It supports a wide range of dimming options, allowing for flexible control over LED brightness.
- Fault Protection: The IC incorporates various protection features such as overvoltage protection, undervoltage lockout, and thermal shutdown to ensure safe operation and prevent damage to the LEDs.
Advantages and Disadvantages
Advantages
- High efficiency power conversion
- Versatile dimming options
- Wide input voltage range
- Compact package size
- Comprehensive fault protection mechanisms
Disadvantages
- Limited maximum output current (up to 1.5A)
- Requires external components for operation
Working Principles
The LT3965IFE-1#TRPBF operates by converting the input voltage to a regulated current suitable for driving LEDs. It utilizes a feedback mechanism to maintain a constant LED current, ensuring consistent brightness levels. The dimming control inputs (ADJ and PWM) allow users to adjust the LED brightness according to their requirements.
Detailed Application Field Plans
The LT3965IFE-1#TRPBF finds applications in various fields, including: - Automotive lighting - Architectural lighting - Display backlighting - Signage and advertising - General illumination
Detailed and Complete Alternative Models
- LT3965IFE: Similar to LT3965IFE-1#TRPBF, but without the TSSOP-28 package.
- LT3965IMSE-1#TRPBF: A variant with a different package (MSOP-16) and slightly lower maximum output current.
- LT3965HFE-1#TRPBF: A high-temperature variant suitable for harsh operating conditions.
These alternative models offer similar functionality and can be considered as alternatives based on specific application requirements.
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Liste 10 perguntas e respostas comuns relacionadas à aplicação de LT3965IFE-1#TRPBF em soluções técnicas
Sure! Here are 10 common questions and answers related to the application of LT3965IFE-1#TRPBF in technical solutions:
Q1: What is the LT3965IFE-1#TRPBF? A1: The LT3965IFE-1#TRPBF is a high voltage, constant-current LED driver designed for driving LEDs with a wide range of forward voltages.
Q2: What is the maximum input voltage supported by the LT3965IFE-1#TRPBF? A2: The LT3965IFE-1#TRPBF can support a maximum input voltage of up to 100V.
Q3: How many LEDs can be driven by the LT3965IFE-1#TRPBF? A3: The LT3965IFE-1#TRPBF can drive multiple LEDs in series or parallel, depending on the application requirements.
Q4: Can the LT3965IFE-1#TRPBF dim the LEDs? A4: Yes, the LT3965IFE-1#TRPBF supports PWM dimming, allowing precise control over the brightness of the LEDs.
Q5: Is the LT3965IFE-1#TRPBF suitable for automotive applications? A5: Yes, the LT3965IFE-1#TRPBF is designed to operate in automotive environments and can withstand harsh conditions.
Q6: Does the LT3965IFE-1#TRPBF have built-in protection features? A6: Yes, the LT3965IFE-1#TRPBF includes various protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.
Q7: What is the efficiency of the LT3965IFE-1#TRPBF? A7: The LT3965IFE-1#TRPBF has high efficiency, typically above 90%, which helps to minimize power losses.
Q8: Can the LT3965IFE-1#TRPBF be used in offline applications? A8: No, the LT3965IFE-1#TRPBF is designed for low voltage DC input applications and requires an external DC power supply.
Q9: What is the maximum output current of the LT3965IFE-1#TRPBF? A9: The LT3965IFE-1#TRPBF can provide a maximum output current of up to 1.5A.
Q10: Are there any evaluation boards available for the LT3965IFE-1#TRPBF? A10: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards that can help in testing and prototyping with the LT3965IFE-1#TRPBF.
Please note that these answers 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.