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參數(shù)資料
| 型號： | NCP1611ADR2G |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 1/29頁 |
| 文件大小： | 879K |
| 描述： | IC PFC CTLR HE ENHANCED 8-SOIC |
| 標(biāo)準(zhǔn)包裝： | 3,000 |
| 系列： | * |
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?Semiconductor Components Industries, LLC, 2013
May, 2013 Rev. 2
1
Publication Order Number:
NCP1611/D
NCP1611
Enhanced, High-Efficiency
Power Factor Controller
The NCP1611 is designed to drive PFC boost stages based on an
innovative Current Controlled Frequency Foldback (CCFF)
method. In this mode, the circuit classically operates in Critical
conduction Mode (CrM) when the inductor current exceeds a
programmable value. When the current is below this preset level, the
NCP1611 linearly decays the frequency down to about 20 kHz when
the current is null. CCFF maximizes the efficiency at both nominal
and light load. In particular, the standby losses are reduced to a
minimum.
Like in FCCrM controllers, internal circuitry allows nearunity
power factor even when the switching frequency is reduced. Housed in
a SO8 package, the circuit also incorporates the features necessary
for robust and compact PFC stages, with few external components.
Features
" NearUnity Power Factor
" Critical Conduction Mode (CrM)
" Current Controlled Frequency Foldback (CCFF): Low Frequency
Operation is Forced at Low Current Levels
" Ontime Modulation to Maintain a Proper Current Shaping in CCFF
Mode
" Skip Mode Near the Line Zero Crossing
" Fast Line / Load Transient Compensation (Dynamic Response
Enhancer)
" Valley Turn on
" High Drive Capability: 500 mA / +800 mA
" V
CC
Range: from 9.5 V to 35 V
" Low Startup Consumption
" A Version: Low V
CC
Startup Level (10.5 V), B Version: High V
CC
Startup level (17.0 V)
" Line Range Detection
" Configurable for Low Harmonic Content across Wide
Line/Load Range
" EN6100032 Class C Compliant across Wide Load
Range for Dimmable Light Ballasts
" This is a PbFree Device
Safety Features
" Nonlatching, OverVoltage Protection
" BrownOut Detection
" SoftStart for Smooth Startup Operation (A version)
" Over Current Limitation
" Disable Protection if the Feedback Pin is Not
Connected
" Thermal Shutdown
" Low DutyCycle Operation if the Bypass Diode is
Shorted
" Open Ground Pin Fault Monitoring
" Saturated Inductor Protection
" Detailed Safety Testing Analysis (Refer to Application
Note AND9064/D)
Typical Applications
" PC, TV, Adapters Power Supplies
" LED Drivers and Light Ballasts (including dimmable
versions)
" All OffLine Applications Requiring Power Factor
Correction
SOIC8
CASE 751
SUFFIX D
PIN CONNECTIONS
MARKING
DIAGRAM
(Top View)
http://onsemi.com
1
8
NCP1611x = Specific Device Code
x = A or B
A
= Assembly Location
L
= Wafer Lot
Y
= Year
W
= Work Week
G
= PbFree Package
NCP1611x
ALYW
G
1
8
See detailed ordering and shipping information in the package
dimensions section on page 28 of this data sheet.
ORDERING INFORMATION
Feedback
V
CC
DRV
GND
V
control
V
sense
FF
control
CS/ZCD
1
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| NCP1611BDR2G | 功能描述:功率因數(shù)校正 IC NCP1611A ENHANCED PFC RoHS:否 制造商:Fairchild Semiconductor 開關(guān)頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| NCP1611GEVB | 制造商:ON Semiconductor 功能描述:PG - ACDC CONVERSION - Bulk 制造商:ON Semiconductor 功能描述:EVAL BOARD, NCP1611, POWER FACTOR CORRECTION; Silicon Manufacturer:On Semiconductor; Silicon Core Number:NCP1611; Kit Application Type:Power Management; Application Sub Type:Power Factor Correction (PFC) ;RoHS Compliant: Yes |
| NCP1612ADR2G | 功能描述:功率因數(shù)校正 IC RoHS:否 制造商:Fairchild Semiconductor 開關(guān)頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| NCP1612BDR2G | 制造商:ON Semiconductor 功能描述:ENHANCED HIGH-EFFICIENCY - Tape and Reel |
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