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دیتاشیت - ON Semiconductor - Combination Power Factor Correction and Quasi-Resonant Flyback Controllers

شماره قطعه NCL30030
شرح مفصل Combination Power Factor Correction and Quasi-Resonant Flyback Controllers
تولید کننده ON Semiconductor 
آرم ON Semiconductor 


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NCL30030 شرح
NCL30030
Combination Power Factor
Correction and
Quasi-Resonant Flyback
Controllers for LED Lighting
This combination IC integrates power factor correction (PFC) and
quasi−resonant flyback functionality necessary to implement a
compact and highly efficient LED driver for high performance LED
lighting applications.
The PFC stage utilizes a proprietary multiplier architecture to
achieve low harmonic distortion and near−unity power factor while
operating in a Critical Conduction Mode (CrM). The circuit
incorporates all the features necessary for building a robust and
compact PFC stage while minimizing the number of external
components.
The quasi−resonant current−mode flyback stage features a
proprietary valley−lockout circuitry, ensuring stable valley switching.
This system works down to the 4th valley and toggles to a frequency
foldback mode with a minimum frequency clamp beyond the 4th
valley to eliminate audible noise. Skip mode operation allows
excellent efficiency in light load conditions while consuming very low
standby power consumption.
Common General Features
Wide VCC Range from 9 V to 30 V with Built−in Overvoltage
Protection
High−Voltage Startup Circuit
Integrated High−Voltage Brown−Out Detector
Fault Input for Severe Fault Conditions, NTC Compatible (Latch and
Auto−Recovery Options)
0.5 A / 0.8 A Source / Sink Gate Drivers
Internal Temperature Shutdown
www.onsemi.com
SOIC−16 NB MISSING PIN 2
CASE 751DT
MARKING DIAGRAM
1
BO/HV
MULT
PControl
PONOFF
QCT
Fault
QFB
16
PFB
GND
PCS/PZCD
PDRV
QDRV
QCS
VCC
QZCD
NCL30030 = Specific Device Code
x = A or B
y = 1, 2 or 3
A = Assembly Location
WL = Wafer Lot
Y = Year
WW = Work Week
G = Pb−Free Package
ORDERING INFORMATION
See detailed ordering and shipping information on page 31 of
this data sheet.
PFC Controller Features
Critical Conduction Mode with a Multiplier
Accurate Overvoltage Protection
Optional Bi−Level Line−Dependent Output Voltage
(2:1 / 1.77:1 Versions)
Fast Line / Load Transient Compensation
Boost Diode Short−Circuit Protection
Feed−Forward for Improved Operation across Line and
Load
Adjustable PFC Disable Threshold Based on Output
Power
QR Flyback Controller Features
Valley Switching Operation with Valley−Lockout for
Noise−Free Operation
Frequency Foldback with Minimum Frequency Clamp
for Highest Performance in Standby Mode
Minimum Frequency Clamp Eliminates Audible Noise
Timer−Based Overload Protection (Latched or
Auto−Recovery options)
Adjustable Overpower Protection
Winding and Output Diode Short−Circuit Protection
4 ms Soft−Start Timer
These are Pb−Free Devices
Typical Applications
High Power LED Drivers
Commercial LED ballasts
LED Signage Power Supplies
Adapters
Open Frame Power Supplies
LED Electronic Control Gear
© Semiconductor Components Industries, LLC, 2015
March, 2015 − Rev. 1
1
Publication Order Number:
NCL30030/D

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