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參數(shù)資料
| 型號： | NCP1651DR2G |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 1/32頁 |
| 文件大?。?/td> | 779K |
| 描述： | IC PFC CONTROLLER CCM/DCM 16SOIC |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 模式： | 連續(xù)導(dǎo)電（CCM），間歇導(dǎo)電（DCM） |
| 頻率 - 開關(guān)： | 25kHz ~ 250kHz |
| 電流 - 啟動(dòng)： | 8.5mA |
| 電源電壓： | 10 V ~ 18 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-SOIC |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱： | NCP1651DR2GOSDKR |
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?Semiconductor Components Industries, LLC, 2010
December, 2010 - - Rev. 9
1
Publication Order Number:
NCP1651/D
NCP1651
Single Stage Power Factor
Controller
The NCP1651 is an active, power factor correction controller that
can operate over a wide range of input voltages. It is designed for
50/60 Hz power systems. It is a fixed frequency controller that can
operate in continuous or discontinuous conduction modes.
The NCP1651 provides a low cost, low component count solution
for isolated AC- -DC converters with mid- -high output voltage
requirements. The NCP1651 eases the task of meeting the
IEC1000- -3- -2 harmonic requirements for converters in the range of
50 W - - 250 W.
The NCP1651 drives a flyback converter topology to operate in
continuous/discontinuous mode and programs the average input
current to follow the line voltage in order to provide unity power
factor. By using average current mode control CCM algorithm, the
NCP1651 can help provide excellent power factor while limiting the
peak primary current. Also, the fixed frequency operation eases the
input filter design.
The NCP1651 uses a proprietary multiplier design that allows for
much more accurate operation than with conventional analog
multipliers.
Features
?SPAN class="pst NCP1651DR2G_2410185_4"> Fixed Frequency Operation
?SPAN class="pst NCP1651DR2G_2410185_4"> Average Current Mode PWM
?SPAN class="pst NCP1651DR2G_2410185_4"> Internal High Voltage Startup Circuit
?SPAN class="pst NCP1651DR2G_2410185_4"> Continuous or Discontinuous Mode Operation
?SPAN class="pst NCP1651DR2G_2410185_4"> High Accuracy Multiplier
?SPAN class="pst NCP1651DR2G_2410185_4"> Overtemperature Shutdown
?SPAN class="pst NCP1651DR2G_2410185_4"> External Shutdown
?SPAN class="pst NCP1651DR2G_2410185_4"> Undervoltage Lockout
?SPAN class="pst NCP1651DR2G_2410185_4"> Low Cost/Parts Count Solution
?SPAN class="pst NCP1651DR2G_2410185_4"> Ramp Compensation Does Not Affect Oscillator Accuracy
?SPAN class="pst NCP1651DR2G_2410185_4"> This is a Pb- -Free Device
Typical Applications
?SPAN class="pst NCP1651DR2G_2410185_4"> High Current Battery Chargers
?SPAN class="pst NCP1651DR2G_2410185_4"> Front Ends for Distributed Power Systems
Device
Package
Shipping
ORDERING INFORMATION
NCP1651DR2G
SOIC- -16
(Pb- -Free)
2500/Tape & Reel
1
2
3
4
5
6
7
8
16
12
11
10
9
(Top View)
I
S+
OUT
GND
C
T
RAMP COMP
I
avg- -fltr
I
avg
FB/SD
STARTUP
V
ref
AC COMP
AC INPUT
AC REF
13
V
CC
15
14
NC
NC
SOIC- -16
D SUFFIX
CASE 751B
1
NCP1651G
AWLYWW
16
A
= Assembly Location
WL
= Wafer Lot
Y
= Year
WW
= Work Week
G
= Pb- -Free Package
MARKING
DIAGRAM
PIN CONNECTIONS
http://onsemi.com
For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
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