Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | AC DC Offline Switcher |
| Topology | Flyback, Step-Down (Buck), Step-Up (Boost) |
| InternalSwitch(s) | No |
| NumberofOutputs | 1 |
| Voltage-Supply(Max) | 30V |
| Voltage-Output | 1.5V ~ 5V |
| Dimming | Analog |
| OperatingTemperature | -40°C ~ 125°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Overview
Description
The FL7733AMX is a highly efficient, primary-side regulated flyback LED driver IC designed for use in various lighting applications. It features a constant current output, which is crucial for maintaining consistent illumination levels in LED systems. One of its key advantages is its ability to regulate the output current without requiring an opto-coupler or secondary feedback circuitry, thus simplifying the design and reducing component count and cost.
The IC incorporates advanced protection mechanisms, including over-voltage, over-current, and short-circuit protection, ensuring robustness and reliability in adverse conditions. Its high power factor correction (PFC) capabilities contribute to energy efficiency and compliance with international standards for power consumption and harmonic distortion.
Designed for versatility, the FL7733AMX supports a wide input voltage range, making it suitable for global applications. Its compact form factor allows for integration into space-constrained designs. Overall, the FL7733AMX is a versatile solution for engineers seeking an efficient and reliable LED driver for a variety of applications, from residential lighting to commercial and industrial environments.
The IC incorporates advanced protection mechanisms, including over-voltage, over-current, and short-circuit protection, ensuring robustness and reliability in adverse conditions. Its high power factor correction (PFC) capabilities contribute to energy efficiency and compliance with international standards for power consumption and harmonic distortion.
Designed for versatility, the FL7733AMX supports a wide input voltage range, making it suitable for global applications. Its compact form factor allows for integration into space-constrained designs. Overall, the FL7733AMX is a versatile solution for engineers seeking an efficient and reliable LED driver for a variety of applications, from residential lighting to commercial and industrial environments.
Equivalent
The FL7733AMX is a primary-side regulation (PSR) controller used in LED lighting applications. Equivalent products can vary by manufacturer but generally include similar PSR controllers or LED driver ICs. Some potential equivalents are:
1. NXP SSL2108x series
2. ON Semiconductor NCL30080
3. Texas Instruments UCC28880
4. Infineon ICL8002G
Please ensure compatibility in terms of electrical specifications and application requirements before substituting.
1. NXP SSL2108x series
2. ON Semiconductor NCL30080
3. Texas Instruments UCC28880
4. Infineon ICL8002G
Please ensure compatibility in terms of electrical specifications and application requirements before substituting.
Features
The FL7733AMX is an LED driver IC designed for efficient and reliable performance in various lighting applications. Key features include:
1. Primary-Side Regulation (PSR): Allows for simplified design by eliminating the need for secondary feedback circuitry, reducing component count, and improving reliability.
2. High Power Factor and Low Total Harmonic Distortion (THD): Ensures efficient energy usage and compliance with international standards.
3. Constant Voltage (CV) and Constant Current (CC) Output: Provides stable operation and consistent performance across different load conditions.
4. Wide Input Voltage Range: Supports a variety of input conditions, making it suitable for global applications.
5. Built-in Protections: Includes overvoltage, overcurrent, and thermal shutdown protections to enhance safety and longevity.
6. Dimmable Capability: Compatible with various dimming techniques, allowing for flexible lighting control.
7. Compact Package: Available in a small form factor, facilitating easy integration into space-constrained designs.
This IC is ideal for use in commercial, residential, and industrial LED lighting solutions, offering a balance of performance, efficiency, and safety.
1. Primary-Side Regulation (PSR): Allows for simplified design by eliminating the need for secondary feedback circuitry, reducing component count, and improving reliability.
2. High Power Factor and Low Total Harmonic Distortion (THD): Ensures efficient energy usage and compliance with international standards.
3. Constant Voltage (CV) and Constant Current (CC) Output: Provides stable operation and consistent performance across different load conditions.
4. Wide Input Voltage Range: Supports a variety of input conditions, making it suitable for global applications.
5. Built-in Protections: Includes overvoltage, overcurrent, and thermal shutdown protections to enhance safety and longevity.
6. Dimmable Capability: Compatible with various dimming techniques, allowing for flexible lighting control.
7. Compact Package: Available in a small form factor, facilitating easy integration into space-constrained designs.
This IC is ideal for use in commercial, residential, and industrial LED lighting solutions, offering a balance of performance, efficiency, and safety.
Pinout
The FL7733AMX is a primary-side regulation (PSR) controller IC designed for LED lighting applications. It comes in an 8-pin package. Here is a brief overview of its pin functions:
1. VDD: Power supply for the IC.
2. GND: Ground reference.
3. COMP: Compensation pin for loop stability.
4. CS: Current sense input used for primary-side current regulation.
5. FB: Feedback input for voltage regulation.
6. DRAIN: Connected to the drain of the power MOSFET for switching control.
7. VSTR: Start-up pin that connects to the high-voltage input.
8. NC: No connection, usually not used.
The FL7733AMX provides efficient power conversion for LED lighting by integrating a power MOSFET and employing primary-side regulation to eliminate the need for an optocoupler, offering a cost-effective and compact solution.
1. VDD: Power supply for the IC.
2. GND: Ground reference.
3. COMP: Compensation pin for loop stability.
4. CS: Current sense input used for primary-side current regulation.
5. FB: Feedback input for voltage regulation.
6. DRAIN: Connected to the drain of the power MOSFET for switching control.
7. VSTR: Start-up pin that connects to the high-voltage input.
8. NC: No connection, usually not used.
The FL7733AMX provides efficient power conversion for LED lighting by integrating a power MOSFET and employing primary-side regulation to eliminate the need for an optocoupler, offering a cost-effective and compact solution.
Manufacturer
The FL7733AMX is manufactured by ON Semiconductor, which is now known as onsemi. Onsemi is a leading semiconductor manufacturer that specializes in energy-efficient electronics. The company provides a wide range of products including power and signal management, logic, discrete, and custom devices for a variety of sectors. These sectors include automotive, industrial, communications, computing, and consumer applications. Onsemi focuses on driving innovations that deliver energy efficiency, reduce global energy use, and support sustainable practices in the development and deployment of electronic devices.
Application
The FL7733AMX is primarily used in LED lighting applications. It serves as a single-stage primary-side regulated (PSR) LED driver, ideal for non-isolated buck applications. Key application areas include LED retrofit bulbs, LED tubes, downlights, and other LED luminaires. Its design facilitates high power factor and low total harmonic distortion (THD), making it suitable for applications requiring energy efficiency and regulatory compliance. The FL7733AMX supports TRIAC dimming and provides a cost-effective solution for various residential, commercial, and industrial lighting systems.
Package
The FL7733AMX is typically available in an 8-pin Small Outline Integrated Circuit (SOIC-8) package, which is a common form factor for surface-mounted integrated circuits.
