LT3796HFE-1#TRPBF

Product Overview

Category

The LT3796HFE-1#TRPBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various power management systems, including LED lighting, automotive lighting, and general-purpose lighting applications.

Characteristics

• High efficiency: The LT3796HFE-1#TRPBF offers high efficiency power conversion, making it suitable for energy-efficient applications.
• Wide input voltage range: It can handle a wide range of input voltages, allowing flexibility in different power supply configurations.
• Dimming control: The IC provides versatile dimming control options, enabling precise brightness adjustment in lighting applications.
• Protection features: It incorporates various protection features such as overvoltage protection, overcurrent protection, and thermal shutdown, ensuring safe operation.

Package

The LT3796HFE-1#TRPBF is available in a compact and industry-standard 20-pin TSSOP package. This package offers ease of integration into various circuit designs.

Essence

The essence of the LT3796HFE-1#TRPBF lies in its ability to efficiently manage power in lighting applications, providing reliable and flexible solutions for illumination systems.

Packaging/Quantity

The IC is typically packaged in reels, with each reel containing a specific quantity of LT3796HFE-1#TRPBF ICs. The exact quantity per reel may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 4V to 60V
• Output Voltage Range: 0.8V to 55V
• Maximum Switching Frequency: 2MHz
• Maximum Output Current: 4A
• Control Interface: I2C-compatible

Detailed Pin Configuration

The LT3796HFE-1#TRPBF features a 20-pin TSSOP package with the following pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. VCC: Supply voltage for internal circuitry
4. SDN: Shutdown control pin
5. ISET: Current sense resistor connection
6. FB: Feedback pin for output voltage regulation
7. SYNC: Synchronization input/output
8. CLKOUT: Clock output
9. INTVCC: Internal supply voltage
10. LX: Switching node connection
11. SW: Switching node connection
12. PGND: Power ground
13. AGND: Analog ground
14. ADJ: Adjustable pin for dimming control
15. SDA: I2C data line
16. SCL: I2C clock line
17. PWM: Pulse width modulation input
18. CS+: Positive terminal of current sense resistor
19. CS-: Negative terminal of current sense resistor
20. VOUT: Output voltage

Functional Features

The LT3796HFE-1#TRPBF offers several functional features that enhance its performance and usability in power management applications:

• Wide input voltage range allows compatibility with various power sources.
• Versatile dimming control options enable precise brightness adjustment in lighting applications.
• Integrated protection features ensure safe operation by preventing overvoltage, overcurrent, and thermal issues.
• High switching frequency capability enables efficient power conversion.

Advantages and Disadvantages

Advantages

• High efficiency power conversion leads to energy savings.
• Wide input voltage range provides flexibility in power supply configurations.
• Versatile dimming control options allow for customized lighting effects.
• Compact package size facilitates easy integration into different circuit designs.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• Requires additional external components for complete power management solutions.

Working Principles

The LT3796HFE-1#TRPBF operates based on a switching regulator topology. It utilizes high-frequency switching to efficiently convert input voltage to the desired output voltage. The IC incorporates control circuitry that regulates the switching operation, ensuring stable and accurate output voltage regulation. Dimming control is achieved through various techniques such as pulse width modulation (PWM) or analog dimming.

Detailed Application Field Plans

The LT3796HFE-1#TRPBF finds extensive application in the following fields:

1. LED Lighting: The IC is commonly used in LED lighting systems, providing efficient power management and dimming control for various lighting applications.
2. Automotive Lighting: It is utilized in automotive lighting systems, enabling precise control over brightness levels and energy efficiency.
3. General-Purpose Lighting: The IC can be employed in general-purpose lighting applications, offering reliable power management solutions with flexible dimming capabilities.

Detailed and Complete Alternative Models

1. LT3796: This is the non-H version of the IC, offering similar functionality but with different pin configurations.
2. LT3797: A higher