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ON Semiconductor - Power Factor Controller

Numéro de référence NCP1654
Description Power Factor Controller
Fabricant ON Semiconductor 
Logo ON Semiconductor 





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NCP1654 fiche technique
NCP1654
Power Factor Controller for
Compact and Robust,
Continuous Conduction
Mode Pre-Converters
The NCP1654 is a controller for Continuous Conduction Mode
(CCM) Power Factor Correction step−up pre−converters. It controls
the power switch conduction time (PWM) in a fixed frequency mode
and in dependence on the instantaneous coil current.
Housed in a SO8 package, the circuit minimizes the number of
external components and drastically simplifies the PFC
implementation. It also integrates high safety protection features that
make the NCP1654 a driver for robust and compact PFC stages like
an effective input power runaway clamping circuitry.
Features
IEC61000−3−2 Compliant
Average Current Continuous Conduction Mode
Fast Transient Response
Very Few External Components
Very Low Startup Currents (< 75 mA)
Very Low Shutdown Currents (< 400 mA)
Low Operating Consumption
±1.5 A Totem Pole Gate Drive
Accurate Fully Integrated 65/133/200 kHz Oscillator
Latching PWM for cycle−by−cycle Duty−Cycle Control
Internally Trimmed Internal Reference
Undervoltage Lockout with Hysteresis
Soft−Start for Smoothly Startup Operation
Shutdown Function
Pin to Pin Compatible with Industry Standard
This is a Pb−Free Device
Safety Features
Inrush Currents Detection
Overvoltage Protection
Undervoltage Detection for Open Loop Detection or Shutdown
Brown−Out Detection
Soft−Start
Accurate Overcurrent Limitation
Overpower Limitation
Typical Applications
Flat TVs, PC Desktops
AC Adapters
White Goods, other Off−line SMPS
www.onsemi.com
8
1
SO−8
D SUFFIX
CASE 751
MARKING DIAGRAM
8
54Bxx
ALYW
G
1
xx = 65, 133 or 200
A = Assembly Location
L = Wafer Lot
Y = Year
W = Work Week
G = Pb−Free Package
PIN CONNECTIONS
Ground 1
8 Driver
VM 2
CS 3
7 VCC
6 Feedback
Brown−Out 4
5 Vcontrol
(Top View)
ORDERING INFORMATION
Device
Package Shipping
NCP1654BD65R2G SO−8
2500 / Tape &
(Pb−Free)
Reel
NCP1654BD133R2G SO−8
2500 / Tape &
(Pb−Free)
Reel
NCP1654BD200R2G SO−8
2500 / Tape &
(Pb−Free)
Reel
†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.
© Semiconductor Components Industries, LLC, 2016
January, 2016 − Rev. 5
1
Publication Order Number:
NCP1654/D

PagesPages 23
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