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參數(shù)資料
| 型號(hào)： | NCP1606 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Cost Effective Power Factor Controller(有源功率因數(shù)控制器) |
| 中文描述： | 符合成本效益的功率因數(shù)控制器（有源功率因數(shù)控制器） |
| 文件頁數(shù)： | 1/22頁 |
| 文件大?。?/td> | 213K |
| 代理商： | NCP1606 |
Semiconductor Components Industries, LLC, 2007
June, 2007 - Rev. 4
1
Publication Order Number:
NCP1606/D
NCP1606
Cost Effective Power Factor
Controller
The NCP1606 is an active power factor controller specifically
designed for use as a pre-converter in electronic ballasts, ac-dc
adapters and other medium power off line converters (typically up to
300W). It embeds a Critical Conduction Mode (CRM) scheme that
substantially exhibits unity power factor across a wide range of input
voltages and power levels. Housed in a DIP8 or SOIC-8 package, the
NCP1606 minimizes the number of external components. Its
integration of comprehensive safety protection features makes it an
excellent driver for rugged PFC stages.
General Features
“Unity” Power Factor
No Need for Input Voltage Sensing
Latching PWM for Cycle by Cycle On Time Control (Voltage Mode)
High Precision Voltage Reference (
±
1.5% over the V
CC
and Temp.
Ranges)
Very Low Startup Current Consumption (
≤
40 A)
Low Typical Operating Current (2.1 mA)
-500 mA / +800 mA Totem Pole Gate Driver
Undervoltage Lockout with Hysteresis
Pin to Pin Compatible with Industry Standards
Safety Features
Programmable Overvoltage Protection
Protection against Open Loop (Undervoltage Protection)
Accurate and Programmable On Time Limitation
Overcurrent Limitation
Typical Applications
Electronic Light Ballast
AC Adapters, TVs, Monitors
All Off Line Appliances Requiring Power Factor Correction
Figure 1. Typical Application
+
AC Line
EMI
Filter
1
4
3
2
8
5
6
7
FB
Ctrl
Ct
CS
GND
ZCD
DRV
+
C
BULK
LOAD
(Ballast,
SMPS, etc.)
NCP1606
V
OUT
R
SENSE
C
in
R
ZCD
R
OUT1
R
OUT2
C
comp
V
CC
Ct
V
CC
D
BOOST
L
BOOST
http://onsemi.com
SO-8
D SUFFIX
CASE 751
MARKING
DIAGRAMS
PIN CONNECTION
NCP1606x
AWL
YYWWG
DIP-8
P SUFFIX
CASE 626
1
8
x
A
L, WL
Y, YY
W, WW = Work Week
or G
= Pb-Free Package
= A or B
= Assembly Location
= Wafer Lot
= Year
1606x
ALYW
1
8
See detailed ordering and shipping information in the package
dimensions section on page 20 of this data sheet.
ORDERING INFORMATION
Feedback
Control
Ct
CS
V
CC
Drive
Ground
ZCD/STDWN
(Top View)
1
8
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