?Semiconductor Components Industries, LLC, 2009
April, 2009 Rev. 1
1
Publication Order Number:
NCP1607/D
NCP1607
Cost Effective Power Factor
Controller
The NCP1607 is an active power factor controller specifically
designed for use as a preconverter in acdc adapters, electronic
ballasts, and other medium power off line converters (typically up to
250 W). It utilizes Critical Conduction Mode (CRM) to ensure unity
power factor across a wide range of input voltages and power levels.
The NCP1607 minimizes the number of external components. The
integration of comprehensive safety protection features makes it an
excellent choice for designing robust PFC stages. It is available in a
SOIC8 package.
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 (?/SPAN>1.6% over the Temperature
Range)
" Very Low Startup Current Consumption (d 40 mA)
" Low Typical Operating Current (2.1 mA)
" Source 500 mA / Sink 800 mA Totem Pole Gate Driver
" Undervoltage Lockout with Hysteresis
" Pin to Pin Compatible with Industry Standards
" This is a PbFree Device
" This Device uses HalogenFree Molding Compound
Safety Features
" Programmable Overvoltage Protection
" Open Feedback Loop Protection
" Accurate and Programmable On Time Control
" Accurate Overcurrent Detector
Typical Applications
" ACDC Adapters, TVs, Monitors
" Off Line Appliances Requiring Power Factor Correction
" Electronic Light Ballast
Figure 1. Typical Application
+
AC Line
EMI
Filter
1
4
3
2
8
5
6
7
+
C
BULK
LOAD
(Ballast,
SMPS, etc.)
NCP1607
V
OUT
R
S
C
IN
R
ZCD
R
OUT1
R
OUT2
C
COMP
V
CC
C
T
D
BOOST
L
BOOST
FB
Control
Ct
CS
GND
ZCD
DRV
V
CC
http://onsemi.com
SO8
D SUFFIX
CASE 751
MARKING
DIAGRAMS
PIN CONNECTION
1
8
A
= Assembly Location
L
= Wafer Lot
Y
= Year
W
= Work Week
G
= PbFree Package
1607B
ALYW
G
1
8
FB
Control
Ct
CS
V
CC
DRV
GND
ZCD
(Top View)
Device
Package
Shipping
ORDERING INFORMATION
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.
NCP1607BDR2G SOIC8
(PbFree)
2500 / Tape & Reel
发布紧急采购，3分钟左右您将得到回复。
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