LT3796EFE#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: The LT3796EFE#TRPBF is a versatile IC designed for high-performance LED lighting applications. It provides a complete solution for driving and controlling LEDs, making it suitable for various lighting systems.

Characteristics: - High efficiency - Wide input voltage range - Dimming control options - Fault protection features - Compact package size

Package: The LT3796EFE#TRPBF is available in a 28-pin TSSOP package, which ensures easy integration into lighting system designs.

Essence: This IC serves as a crucial component in LED lighting systems, enabling efficient power conversion and precise control of LED brightness.

Packaging/Quantity: The LT3796EFE#TRPBF is typically sold in reels containing 250 units per reel.

Specifications

• Input Voltage Range: 4V to 60V
• Output Voltage Range: Up to 60V
• Maximum Output Current: 4A
• Switching Frequency: Up to 1MHz
• Dimming Control: Analog/PWM
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3796EFE#TRPBF features the following pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. VCC: Supply voltage for internal circuitry
4. FB: Feedback pin for regulating output voltage
5. COMP: Compensation pin for stability control
6. DIM: Dimming control input
7. PWM: Pulse width modulation input
8. EN/UVLO: Enable/Undervoltage lockout control
9. SS/TRK: Soft-start/tracking control
10. RT/CLKOUT: External resistor for setting switching frequency or clock output
11. SYNC: Synchronization input for multiple ICs
12. VREF: Reference voltage output
13. ITH: Current sense threshold setting
14. LX: Switching node connection
15. SW: Switching node connection
16. PGND: Power ground
17. AGND: Analog ground
18. ADJ: Output voltage adjustment pin
19. OVLO: Overvoltage lockout control
20. OVP: Overvoltage protection control
21. OCSET: Overcurrent protection threshold setting
22. SS/TRK: Soft-start/tracking control
23. BST: Bootstrap capacitor connection
24. VCC: Supply voltage for internal circuitry
25. GATE: Gate drive output
26. GATE: Gate drive output
27. GATE: Gate drive output
28. VIN: Input voltage

Functional Features

• Wide input voltage range allows compatibility with various power sources.
• High efficiency conversion ensures minimal power loss during operation.
• Dimming control options enable precise brightness adjustment.
• Fault protection features safeguard the IC and connected LEDs from damage.
• Compact package size facilitates integration into space-constrained designs.

Advantages and Disadvantages

Advantages: - Versatile and suitable for a wide range of LED lighting applications. - Efficient power conversion minimizes energy wastage. - Precise dimming control allows for customized lighting effects. - Comprehensive fault protection enhances system reliability. - Compact package size enables easy integration.

Disadvantages: - Limited maximum output current may restrict usage in high-power applications. - Requires external components for complete LED driver implementation.

Working Principles

The LT3796EFE#TRPBF operates as a high-performance LED driver by converting the input voltage to a regulated output voltage suitable for driving LEDs. It utilizes a combination of switching regulators, control circuitry, and feedback mechanisms to achieve efficient power conversion and precise dimming control.

The IC incorporates various protection features such as overvoltage lockout, overcurrent protection, and fault detection to ensure the safety and reliability of the LED lighting system.

Detailed Application Field Plans

The LT3796EFE#TRPBF finds applications in a wide range of LED lighting systems, including but not limited to: - Indoor and outdoor architectural lighting - Automotive lighting - Signage and display lighting - Street and area lighting - Industrial and commercial lighting

Its versatility and high-performance characteristics make it suitable for both residential and commercial lighting applications.

Detailed and Complete Alternative Models

1. LT3795EFE#TRPBF: Similar to LT3796EFE#TRPBF with a lower maximum output current of 3A.
2. LT3797EFE#TRPBF: Similar to LT3796EFE#TRPBF with additional features such as integrated power factor correction (PFC).
3. LT3760EFE#TRPBF: Suitable for lower-power LED lighting applications with a maximum output current of 2A.

These alternative