Fairchild Manuals

This reference design supports the inclusion of FL7930B, FLS1800XS and FAN7346 in the design of LED illumination.

FAN7621 is a PWM controller from Fairchild Semiconductor for 384W LLC resonant half-bridge converter. It features high efficiency, low voltage drop, low dead time, etc.

RD-324 is a reference design for Fairchild PFM controller FAN7621, which is applied to LCD TV. The input voltage range is 340~400VDC, the output voltage is 24V(8.3A), the rated output power is 200W, the topology is LLC resonant half-bridge converter. The key features of the design include variable frequency control, high efficiency, fixed dead time, up to 300kHz operating frequency, pulse skipping for frequency limit (programmable) at light-load condition, remote on/off control using control pin, various protection functions: over-voltage protection (OVP), overload protection (OLP), over-current protection (OCP), abnormal over-current protection (AOCP) and internal thermal shutdown (TSD)

The following reference design supports inclusion of FEB-L013 in design of LED SMPS.

The FL103M is a LED lighting controller produced by Fairchild Semiconductor. It supports an input voltage range of 85-265VAC and a maximum output power of 8.4W. The output voltage is 24V (0.35A). The device has constant-voltage (CV) and constant-current (CC) control without secondary feedback circuitry. It achieves low EMI through frequency hopping. It consumes low power in standby mode and has over-voltage protection, under-voltage protection, over-current protection, and over-temperature protection.

This is a reference design from Fairchild Semiconductor Corporation, introducing the features and characteristics of FL6961 and FL6300A.

This document is a reference design that supports the use of FL6961 in LED illumination design. It should be used in conjunction with the FL6961 datasheet as well as Fairchild's application notes and technical support team. The design features a boundary mode PFC controller, low input current THD, controlled on-time PWM, zero current detection, cycle-by-cycle current limiting, leading-edge blanking instead of RC filtering, and other characteristics.

This reference design supports the inclusion of FL6961 in the design of LED illumination, including application range, key features, circuit diagram, etc.

This is a LED illumination reference design from Fairchild Semiconductor Corporation, using FL7701 as the main chip, supporting 90Vac-264Vac input voltage, and can output 2.52W of power.

FL7701 is a LED illumination reference design from Fairchild Semiconductor Corporation

This document is a reference design by Fairchild Semiconductor Corporation, supporting the use of FL7701 in LED illumination. It should be used in conjunction with the FL7701 datasheet as well as Fairchild’s application notes and technical support team. The reference design features digital implemented active PFC function, built-in HV supplying circuit, AOCP function, cycle-by-cycle current limit, etc.

This document is a user guide for the FL7730 demonstration kit. It provides information on the features and characteristics of the FL7730, as well as the datasheet, application notes, and technical support team provided by Fairchild Semiconductor. The FL7730 is an LED bulb with an input voltage range of 180-265VAC, output power of 8.4W, and output voltage of 22V (0.38A). It features compatibility with traditional TRIAC control, a cost-effective solution without input bulk capacitor and feedback circuitry, power factor correction, accurate constant-current control, linear frequency control, and constant current regulation against output voltage and line voltage changes.

This is a reference design for FL7732

This document is a user guide for the FL7732 reference design, which describes the features and applications of the FL7732. The FL7732 is an LED switch mode power supply module with an input voltage range of 90-265VAC, output power of 16.8W, output voltage of 24V, and rated current of 0.7A. The module offers a cost-effective solution without the need for input bulk capacitors or feedback circuitry, power factor correction (PFC), accurate constant-current (CC) control, linear frequency control to improve efficiency and simplify design. The constant current regulation is within ±2.38% for output voltage change (11~28V) and within ±2.79% for line voltage change (90~265VAC). It also provides output-open and short-circuit protection with auto restart. The system efficiency can reach up to 89% with power factor (PF) greater than 0.90 and total harmonic distortion (THD) less than 20% at nominal voltages.

This document describes the features and characteristics of the FL7732 reference design, including a cost-effective solution without the need for input bulk capacitors or feedback circuitry, power factor correction, accurate constant-current control, linear frequency control, and constant current regulation. The document also provides the circuit diagram and bill of materials for the FL7732.