LT3496IUFD#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: The LT3496IUFD#PBF is a versatile IC primarily used for driving and controlling LED lighting applications. It offers high efficiency, precise current regulation, and dimming capabilities, making it suitable for various lighting systems.

Characteristics: - High efficiency power conversion - Precise current regulation - Dimming capabilities - Wide input voltage range - Compact package size

Package: The LT3496IUFD#PBF is available in a 16-pin QFN (Quad Flat No-Lead) package. This package provides excellent thermal performance and ease of integration into circuit boards.

Essence: The essence of the LT3496IUFD#PBF lies in its ability to efficiently drive and control LED lighting systems, ensuring optimal performance and energy savings.

Packaging/Quantity: The LT3496IUFD#PBF is typically sold in reels containing 250 units per reel.

Specifications

• Input Voltage Range: 3V to 30V
• Output Current: Up to 1A
• Switching Frequency: Adjustable up to 2MHz
• Dimming Control: Analog/PWM
• Operating Temperature Range: -40°C to 125°C
• Package Type: 16-pin QFN

Detailed Pin Configuration

The LT3496IUFD#PBF features the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. VCC: Supply voltage pin
4. FB: Feedback pin for current regulation
5. DIM: Dimming control pin
6. SW: Switch node pin
7. LX: Inductor connection pin
8. PGND: Power ground pin
9. EN: Enable pin
10. SS: Soft-start pin
11. VREF: Reference voltage pin
12. ADJ: Adjustable pin for setting output current
13. ISET: Current set pin
14. VOUT: Output voltage pin
15. NC: No connection
16. NC: No connection

Functional Features

• High-efficiency step-up or step-down LED driver
• Wide input voltage range allows for versatile applications
• Precise current regulation ensures consistent brightness levels
• Dimming control options enable adjustable lighting intensity
• Integrated protection features such as overvoltage and overcurrent protection

Advantages and Disadvantages

Advantages: - High efficiency leads to energy savings - Versatile input voltage range accommodates various power sources - Precise current regulation ensures consistent LED performance - Dimming capabilities offer flexibility in lighting control - Integrated protection features enhance system reliability

Disadvantages: - Limited maximum output current of 1A may not be suitable for high-power LED applications - Requires external components for proper operation, increasing overall system complexity

Working Principles

The LT3496IUFD#PBF operates as a high-efficiency step-up or step-down LED driver. It utilizes a switching regulator topology to convert the input voltage to a regulated output current suitable for driving LEDs. The IC incorporates a feedback loop that regulates the output current based on the reference voltage and the current sense feedback signal.

By adjusting the dimming control input, the brightness of the LEDs can be varied. The LT3496IUFD#PBF also includes protection features such as overvoltage and overcurrent protection, ensuring safe operation of the LED lighting system.

Detailed Application Field Plans

The LT3496IUFD#PBF finds application in various LED lighting systems, including but not limited to: - Automotive lighting - Architectural lighting - Display backlighting - Signage and advertising lighting - Industrial and commercial lighting

Its versatility, efficiency, and dimming capabilities make it suitable for a wide range of lighting applications.

Detailed and Complete Alternative Models

1. LT3496IUFD#TRPBF: Similar to LT3496IUFD#PBF but available in tape and reel packaging.
2. LT3496IUFD#PBF-ND: Same as LT3496IUFD#PBF but available through online distributors.
3. LT3496IUFD#PBF-SP: Special version with extended temperature range (-55°C to 150°C).

These alternative models offer similar functionality and characteristics, providing options based on specific requirements or availability.

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