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NCL30001
High-Efficiency Single
Stage Power Factor
Correction and Step-Down
Offline LED Driver
The NCL30001 is a highly integrated controller for implementing
power factor correction (PFC) and isolated step down ac ? dc power
conversion in a single stage, resulting in a lower cost and reduced part
count solution. This controller is ideal for LED Driver power supplies
with power requirements between 40 W and 150 W. The single stage
is based on the flyback converter and it is designed to operate in
continuous conduction (CCM).
http://onsemi.com
MARKING
DIAGRAM
NCL30001G
AWLYWW
The NCL30001 can be configured as as constant current driver or a
fixed output driver for two stage LED lighting applications. In
addition, the controller features a proprietary Soft ? Skip ? to reduce
acoustic noise at light loads. Other features found in the NCL30001
include a high voltage startup circuit, voltage feedforward, brown out
detector, internal overload timer, latch input and a high accuracy
multiplier. The multi ? function latch off pin can also be used to
implement an overtemperature shutdown circuit.
SOIC ? 16
D SUFFIX
CASE 751B
A
WL
YY
WW
G
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb ? Free Package
Features
? Voltage Feedforward Improves Loop Response
? Frequency Jittering Reduces EMI Signature
? Proprietary Soft ? Skip at Light Loads Reduces Acoustic Noise
? Brown Out Detector
? Internal 160 ms Fault Timer
? Independent Latch ? Off Input Facilitates Implementation of
Overvoltage and Overtemperature Fault Detectors
? Average Current Mode Control (ACMC), Fixed Frequency Operation
? High Accuracy Multiplier Reduces Input Line Harmonics
? Adjustable Operating Frequency from 20 kHz to 250 kHz
? These Devices are Pb ? Free and are RoHS Compliant
Typical Applications
? LED Street Lights
? Low Bay LED Lighting
? High Power LED Drivers
? Architectural LED Lighting
PIN CONNECTIONS
CT 1 16 Startup
Ramp Comp 2 15 GND
AC IN 3 14 NC
FB 4 13 DRV
V FF 5 12 V CC
CM 6 11 I spos
AC COMP 7 10 I avg
Latch ? Off 8 9 TEST
(Top View )
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 30 of this data sheet.
? Semiconductor Components Industries, LLC, 2010
March, 2010 ? Rev. 0
1
Publication Order Number:
NCL30001/D
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