Product Information

NCL30082FLYGEVB

NCL30082FLYGEVB electronic component of ON Semiconductor

Datasheet
LED Lighting Development Tools Flyback 10W 500mA CrntMode Cntlr EvBrd

Manufacturer: ON Semiconductor
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Price (USD)

1: USD 105.5754 ea
Line Total: USD 105.58

1 - Global Stock
Ships to you between
Mon. 27 May to Wed. 29 May
MOQ: 1  Multiples: 1
Pack Size: 1
Availability Price Quantity
1 - WHS 1


Ships to you between Mon. 27 May to Wed. 29 May

MOQ : 1
Multiples : 1

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NCL30082FLYGEVB
ON Semiconductor

1 : USD 90.5625

     
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NCL30083FLYGEVB, NCL30083BB1GEVB 10 W Passive PFC Flyback and BuckBoost Dimmable LED Driver Evaluation NCL30083FLYGEVB, NCL30083BB1GEVB Demo Board Modifications Since the NCL30082/3 has a wide V range this allows CC The board as shipped contains the NCL30083 to one transformer/inductor design to a > 2:1 change in LED demonstrate the line step dimming function which allows string forward voltage. If it is desired to reduce the output the LEDs to be dimmed in 5 discrete steps by toggling the current, the output power is no longer the limit, but simply AC line (V ) off momentarily. C holds up V while in vccbulk CC the level of the reflected voltage from the auxiliary winding V toggles low switching to the next lower dim level. Since in which is monitored by the built in overvoltage protection of the timing is user controlled by switching on/off the light the V pin. If a higher output voltage at lower current is CC switch the timing window is very wide. Toggling the AC required, the auxiliary winding turns ratio would have to be input in one second is typical. It may take more than modified. 20 seconds of AC off to reset the IC, at which time when The input capacitor network uses a valley fill PFC to turned on again it return to the 100% state. By removing the achieve a power factor of > 0.8 to easily meet ENERGY C the step dimming function is effectively disabled so STAR input power factor requirements. If compliance vccbulk the performance of the current control is just like the with EN61000-3-2 Class C is required, the input capacitor NCL300082. It is also possible with this board to replace the network can be easily modified and simplified to one NCL30083 with an NCL30082 to evaluate the analog/ capacitor, this is discussed in the appendix. dimming control. Constant Current Control Architecture Introduction The value of R sets the final output current value in sense Figure 4 portrays the primary and secondary current of a conjunction with R which is for fine adjustment. The trim fly-back converter in discontinuous conduction mode nature of the primary side loop control makes the current (DCM). Figure 3 shows the basic circuit of a fly-back adjustment somewhat iterative because several circuit converter. parameters affect the output current setting. It is relatively easy by changing R to increase the output of the sense evaluation board as long as the output power limit is considered. V Transformer bulk L leak N sp C R clp clp V out . + L p . Clamping Network C lump DRV R sense Figure 3. Basic Flyback Converter Schematic During the on-time of the MOSFET, the bulk voltage V bulk N V V sp out f is applied to the magnetizing and leakage inductors L and p The output diode current increase is limited by the leakage L . The current ramps up. leak inductor. As a consequence, the secondary peak current is When the MOSFET is turned-off, the inductor current reduced: first charges C . The output diode is off until the voltage lump across L reverses and reaches: p

Tariff Desc

8543.70.00 Other machines and apparatus Free
13 Signal processors (graphic equalisers, crossovers etc.) 91 Other Free

9027.10.00 Instruments and apparatus for physical or chemical analysis (eg, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes Free

9031.80.00 MEASURING OR CHECKING INSTRUMENTS, APPLIANCES AND MACHINES, NOT SPECIFIED OR INCLUDED ELSEWHERE IN THIS CHAPTER; PROFILE PROJECTORS Other instruments, appliances and machines Free

9030.31.00 Oscilloscopes, spectrum analysers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, x-ray, cosmic or other ionising radiations.
Other instruments and apparatus, for measuring or checking voltage, current, resistance or power Multimeters without a recording device Free

8473.30.00 Parts and accessories of the machines of 8471 AUTOMATIC DATA PROCESSING MACHINES AND UNITS THEREOF; MAGNETIC OR OPTICAL READERS, MACHINES FOR TRANSCRIBING DATA ONTO DATA MEDIA IN CODED FORM AND MACHINES FOR PROCESSING SUCH DATA, NOT ELSEWHERE SPECIFIED OR INCLUDED:
.Other 71 No Weighing less than 1kg Free

8537 BOARDS, PANELS, CONSOLES, DESKS, CABINETS AND OTHER BASES, EQUIPPED WITH TWO OR MORE APPARATUS OF 8535 OR 8536, FOR ELECTRIC CONTROL OR THE DISTRIBUTION OF ELECTRICITY, INCLUDING THOSE INCORPORATING INSTRUMENTS OR APPARATUS OF CHAPTER 90, AND NUMERICAL CONTROL APPARATUS, OTHER THAN SWITCHING APPARATUS OF 8517:
8538 PARTS SUITABLE FOR USE SOLELY OR PRINCIPALLY WITH THE APPARATUS OF 8535, 8536 OR 8537:
8538.10.10 22 For programmable controllers Free
Aptina / ON Semiconductor
FAIRCHILD
FAIRCHILD (ON SEMICONDUCTOR)
Fairchild Semiconductor
FS8
FSC
ON
ON SEMI
ON Semicon
ON SEMICONDUCTOR
ON SEMICONDUCTOR (FAIRCHILD)
ON Semiconductor / Fairchild
ON4
ON5
onsemi
ON-SEMI
onsemi / Fairchild
OOF
Xsens / Fairchild

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