LT3796EFE#PBF

Product Overview

Category

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

Essence

The essence of LT3796EFE#PBF lies in its ability to efficiently manage power conversion, ensuring optimal performance and reliability in electronic devices.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of units. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 4V to 60V
• Output Voltage Range: 0.8V to 55V
• Maximum Switching Frequency: 1MHz
• Maximum Output Current: 4A
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT3796EFE#PBF has 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. SS: Soft-start pin for gradual power-up
7. RT: External resistor connected to set switching frequency
8. SYNC: Synchronization pin for external clock input
9. CLKOUT: Clock output pin for synchronization purposes
10. INTVCC: Internal voltage reference pin
11. VREF: Reference voltage output pin
12. AGND: Analog ground reference pin
13. PGND: Power ground reference pin
14. SW1, SW2, SW3, SW4: Switching pins for power conversion
15. LX: Inductor connection pin
16. BST: Boost capacitor connection pin
17. VOUT: Output voltage pin
18. ADJ: Adjustable pin for output voltage control
19. DIM: Dimming control pin
20. OVLO: Overvoltage lockout pin
21. UVLO: Undervoltage lockout pin
22. SS/TRK: Soft-start/Tracking pin
23. FLT: Fault indication pin
24. EN/UV: Enable/Undervoltage pin

Functional Features

• High-efficiency step-down (buck) converter
• Wide input voltage range allows compatibility with various power sources
• Current mode control ensures stable and accurate regulation
• Dimming capability enables brightness control in lighting applications
• Fault protection features safeguard against overvoltage, undervoltage, and other potential issues

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption and heat generation
• Wide input voltage range provides flexibility in system design
• Dimming capability allows for versatile lighting control
• Fault protection features enhance system reliability and durability

Disadvantages

• Limited maximum output current may restrict usage in high-power applications
• Complex pin configuration requires careful attention during circuit design and layout

Working Principles

The LT3796EFE#PBF operates as a step-down (buck) converter, converting a higher input voltage to a lower output voltage. It utilizes current mode control to regulate the output voltage accurately. The IC incorporates various protection mechanisms to ensure safe operation and prevent damage to the connected devices.

Detailed Application Field Plans

The LT3796EFE#PBF finds applications in a wide range of fields, including but not limited to: - LED lighting systems - Automotive electronics - Industrial automation - Telecommunications equipment - Renewable energy systems

Detailed and Complete Alternative Models

1. LT8390: Similar functionality with higher maximum output current capability.
2. LT3763: Step-down converter with integrated MPPT (Maximum Power Point Tracking) for solar power applications.
3. LT8614: High-efficiency synchronous step-down converter with adjustable frequency and voltage tracking features.

These alternative models offer similar functionalities to the LT3796EFE#PBF while catering to specific requirements or providing additional features.

In conclusion, the LT3796EFE#PBF is a versatile and efficient IC used for power management in various electronic devices and systems. Its wide input voltage range, current mode control, and fault protection features make it suitable for diverse applications. While it has certain limitations, alternative models are available to address specific needs.