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NCP1605 Datasheet(PDF) 1 Page - ON Semiconductor

Part # NCP1605
Description  Enhanced, High Voltage and Efficient Standby Mode, Power Factor Controller
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP1605 Datasheet(HTML) 1 Page - ON Semiconductor

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© Semiconductor Components Industries, LLC, 2009
April, 2009 − Rev. 7
1
Publication Order Number:
NCP1605/D
NCP1605, NCP1605A
Enhanced, High Voltage and
Efficient Standby Mode,
Power Factor Controller
The NCP1605 is a controller that exhibits near−unity power factor
while operating in fixed frequency, Discontinuous Conduction Mode
(DCM) or in Critical Conduction Mode (CRM).
Housed in a SOIC−16 package, the circuit incorporates all the
features necessary for building robust and compact PFC stages, with
a minimum of external components. In addition, it integrates the skip
cycle capability to lower the standby losses to a minimum.
General Features
Near−Unity Power Factor
Fixed Frequency, Discontinuous Conduction Mode Operation
Critical Conduction Mode Achievable in Most Stressful Conditions
Lossless High Voltage Current Source for Startup
Soft Skipt Cycle for Low Power Standby Mode
Switching Frequency up to 250 kHz
Synchronization Capability
Fast Line / Load Transient Compensation
Valley Turn On
High Drive Capability: −500 mA / +800 mA
Signal to Indicate that the PFC is Ready for Operation
(“pfcOK” Pin)
VCC range: from 10 V to 20 V
Follower Boost Operation
Two VCC Turn−On Threshold Options:
15 V for NCP1605, 10.5 V for NCP1605A
This is a Pb−Free Device
Safety Features
Output Under and Overvoltage Protection
Brown−Out Detection
Soft−Start for Smooth Startup Operation
Overcurrent Limitation
Zero Current Detection Protecting the PFC stage from Inrush
Currents
Thermal Shutdown
Latched Off Capability
Typical Applications
PC Power Supplies
All Off Line Appliances Requiring Power Factor Correction
http://onsemi.com
SOIC−16
D SUFFIX
CASE 751B
Device
Package
Shipping
ORDERING INFORMATION
MARKING
DIAGRAMS
A
= Assembly Location
WL = Wafer Lot
Y
= Year
WW = Work Week
G
= Pb−Free Package
1
NCP1605G
AWLYWW
1
2
3
4
5
6
7
8
16
15
14
12
11
10
9
(Top View)
CSin
STBY
BO
Vcontrol
FB
CSout/ZCD
Ct
OSC/SYNC
HV
NC
pfcOK/REF5V
VCC
GND
OVP/UVP
DRV
13 STDWN
PIN CONNECTIONS
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
1
NCP1605DR2G
SOIC−16
(Pb−Free)
2500/Tape & Reel
16
NCP1605ADR2G
SOIC−16
(Pb−Free)
2500/Tape & Reel
NCP1605AG
AWLYWW
1
16


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