LT3796EFE-1#PBF

Product Overview

Category

The LT3796EFE-1#PBF belongs to the category of integrated circuits (ICs) used in power management applications.

Use

This IC is primarily used for controlling and regulating power in various electronic devices and systems.

Characteristics

• High efficiency power conversion
• Wide input voltage range
• Adjustable output voltage
• Current mode control
• Dimming capability
• Fault protection features

Package

The LT3796EFE-1#PBF is available in a small form factor package, which ensures easy integration into different circuit designs.

Essence

The essence of LT3796EFE-1#PBF lies in its ability to efficiently manage power conversion, providing stable and regulated output voltages for electronic devices.

Packaging/Quantity

This IC is typically packaged in tape and reel format, allowing for automated assembly processes. It is available in quantities suitable for both prototyping and mass production.

Specifications

• Input Voltage Range: 4V to 60V
• Output Voltage Range: 0.8V to 55V
• Maximum Output Current: 4A
• Switching Frequency: Up to 2MHz
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3796EFE-1#PBF features a total of 24 pins. The pin configuration is as follows:

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. VCC: Supply voltage pin
4. FB: Feedback pin for output voltage regulation
5. COMP: Compensation pin for stability control
6. EN/UVLO: Enable/Undervoltage lockout pin
7. DIM: Dimming control pin
8. SYNC: Synchronization pin for multiple IC operation
9. SS/TR: Soft-start/Tracking pin
10. BST: Bootstrap capacitor connection pin
11. SW: Switching node pin 12-24. NC: No connection pins

Functional Features

• Wide input voltage range allows for versatile applications
• Current mode control ensures stable and efficient power conversion
• Dimming capability enables brightness control in lighting applications
• Fault protection features safeguard against overvoltage, overcurrent, and overtemperature conditions
• Synchronization capability facilitates parallel operation of multiple ICs

Advantages and Disadvantages

Advantages

• High efficiency power conversion results in reduced energy consumption
• Wide input voltage range accommodates various power sources
• Compact package size enables space-saving designs
• Dimming capability provides flexibility in lighting applications
• Fault protection features enhance system reliability

Disadvantages

• Limited maximum output current may restrict usage in high-power applications
• Higher switching frequency may require additional filtering components

Working Principles

The LT3796EFE-1#PBF operates on the principle of current mode control, where the output voltage is regulated by adjusting the duty cycle of the internal switch. It utilizes a feedback mechanism to compare the actual output voltage with the desired value and adjusts the switching action accordingly. This ensures stable and efficient power conversion.

Detailed Application Field Plans

The LT3796EFE-1#PBF finds application in various fields, including:

1. LED Lighting: The dimming capability and wide input voltage range make it suitable for LED driver circuits.
2. Automotive Electronics: Its fault protection features and wide operating temperature range make it ideal for automotive power management systems.
3. Industrial Automation: The high efficiency and compact package size enable its use in industrial control systems.
4. Renewable Energy Systems: The ability to handle a wide input voltage range makes it suitable for solar and wind power applications.

Detailed and Complete Alternative Models

1. LT3796A: Similar to LT3796EFE-1#PBF, but with a higher maximum output current of 6A.
2. LT3796B: Offers additional features such as adjustable switching frequency and external synchronization capability.

These alternative models provide similar functionality with slight variations in specifications, catering to different application requirements.

In conclusion, the LT3796EFE-1#PBF is a versatile integrated circuit used for power management applications. Its high efficiency, wide input voltage range, and fault protection features make it suitable for various industries. While it has some limitations, alternative models offer additional options to meet specific needs.