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NCL30001

High-Efficiency Single Stage Power Factor Correction and Step-Down Offline LED Driver

ON Semiconductor 

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).

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.

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

www.onsemi.com

MARKING

DIAGRAM

NCL30001G

AWLYWW

SOIC−16

D SUFFIX

CASE 751B

A

= Assembly Location

WL = Wafer Lot

YY

= Year

WW = Work Week

G

= Pb−Free Package

PIN CONNECTIONS

CT 1

Ramp Comp 2

AC IN 3

FB 4

VFF 5

CM 6

AC COMP 7

Latch−Off 8

16 Startup

15 GND

14 NC

13 DRV

12 VCC

11 Ispos

10 Iavg

9 TEST

(Top View)

ORDERING INFORMATION

See detailed ordering and shipping information on page 30 of

this data sheet.

© Semiconductor Components Industries, LLC, 2015

1

February, 2015 − Rev. 1

Publication Order Number:

NCL30001/D

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