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NCP1650 Datasheet

  • NCP1650

  • Power Factor Controller

  • 217.62KB

  • ONSEMI

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NCP1650
Power Factor Controller
The NCP1650 is an active, power factor correction controller that
can operate over a wide range of input voltages, and output power
levels. It is designed to operate on 50/60 Hz power systems. This
controller offers several different protection methods to assure safe,
reliable operation under any conditions.
The PWM is a fixed frequency, average current mode controller
with a wide complement of features. These features allow for both
flexibility as well as precision in it鈥檚 application to a circuit. Critical
components of the internal circuitry are designed for high accuracy,
which allows for precise power and current limiting, therefore
minimizing the amount of overdesign necessary for the power stage
components.
The NCP1650 is designed with a true power limiting circuit that will
maintain excellent power factor even in constant power mode. It also
contains features that allow for fast transient response to changing
load currents and line voltages.
Features
http://onsemi.com
MARKING
DIAGRAM
SOIC鈭?6
D SUFFIX
CASE 751B
16
1
NCP1650
AWLYWW
A
WL
Y
WW
= Assembly Location
= Wafer Lot
= Year
= Work Week
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Pb鈭扚ree Package is Available*
Fixed Frequency Operation
Average Current Mode PWM
Continuous or Discontinuous Mode Operation
Fast Line/Load Transient Compensation
True Power Limiting Circuit
High Accuracy Multipliers
Undervoltage Lockout
Overvoltage Limiting Comparator
Brown Out Protection
Ramp Compensation Does Not Affect Oscillator Accuracy
Operation from 25 to 250 kHz
PIN CONNECTIONS
V
in
1
V
ref
2
AC COMP 3
AC REF 4
AC INPUT 5
FB/SD 6
LOOP COMP 7
P
COMP
8
(Top View)
16 OUTPUT
15 GND
14 C
T
13 RAMP COMP
12 I
S鈭?/div>
11 I
avg鈭抐ltr
10 I
avg
9 Pmax
ORDERING INFORMATION
Typical Applications
鈥?/div>
Server Power Converters
鈥?/div>
Front End for Distributed Power Systems
Device
NCP1650D
NCP1650DR2
NCP1650DR2G
Package
SOIC鈭?6
SOIC鈭?6
Shipping
鈥?/div>
48 Units/Rail
2500/Tape & Reel
SOIC鈭?6 2500/Tape & Reel
(Pb鈭扚ree)
鈥燜or information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
*For additional information on our Pb鈭扚ree strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
漏
Semiconductor Components Industries, LLC, 2004
1
November, 2004 鈭?Rev. 9
Publication Order Number:
NCP1650/D

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