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PDF NCL30001 Data sheet ( Hoja de datos )
| Número de pieza | NCL30001 | |
| Descripción | High Efficiency Single Stage Power Factor Correction and Step-Down Offline LED Driver | |
| Fabricantes | ON Semiconductor | |
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NCL30001
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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
http://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 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
1 page  
NCL30001
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ÎÎÎÎÎ
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Figure 2. Typical Application Schematic
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5 Page 
NCL30001
22
21
20
19
18
17
16
−50 −25 0 25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 14. Oscillator CS Limit Voltage Gain vs.
Junction Temperature
5.25
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4.75
4.25
RGout1
3.75
3.25
2.75
2.25
RGout3
1.75
1.25
0.75
RGout2
RGout4
0.25
−50 −25 0 25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 15. Oscillator Reference Generator
Output Voltage vs. Junction Temperature
14 16
12 14
10 12
8.0 10
6.0 8.0
4.0
−50 −25 0 25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 16. DRV Sink Resistance vs. Junction
Temperature
6.0
−50 −25 0
25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 17. DRV Source Drive Resistance vs.
Junction Temperature
http://onsemi.com
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet NCL30001.PDF ] | |
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