?Semiconductor Components Industries, LLC, 2009
August, 2009 Rev. 9
1
Publication Order Number:
NCP1603/D
NCP1603
PFC/PWM Combo Controller
with Integrated High
Voltage Startup and Standby
Capability
The NCP1603 is a Power Factor Correction (PFC) and Pulse Width
Modulation (PWM) combo controller. It offers extremely low
noload standby power consumption that is suitable for the
lowpower consumer markets. The key features of the device are
listed below.
Features
" This is a PbFree Device*
PFC Features
" NearUnity Power Factor in Discontinuous and Critical Mode
(DCM and CRM)
" VoltageMode Operation
" Low Startup and Shutdown Current Consumption
" Programmable Switching Frequency for DCM
" Synchronization Capability
" Overvoltage Protection (107% of Nominal Output Level)
" Undervoltage Protection or Shutdown
(8% of Nominal Output Level)
" Programmable Overcurrent Protection
" Thermal Shutdown with Hysteresis (95/140?/SPAN>C)
" Undervoltage Lockout with Hysteresis (9.0/10.5 V)
PWM Features
" Integrated Lossless High Voltage Startup Current Source
" 100 kHz PWM CurrentMode Operation with Skipping Cycle
Capability During Standby Condition
" PFC Bias Voltage is Disabled in Standby Condition to Achieve
Extremely Low NoLoad Standby Power Consumption
" Fault Protection Implemented by a Timer and Independent of Badly
Coupled Auxiliary Transformer Winding
" Primary Overcurrent Protection and Latched Overvoltage Protection
" Internal 2.5 ms SoftStart
"  "6.4% Frequency Jittering for Improved EMI Performance
" Latched Thermal Shutdown with Hysteresis (140/165?/SPAN>C)
" Undervoltage Lockout with Hysteresis (5.6/7.7/12.6 V)
Applications
" Notebook Adapters
" TV/Monitors
*For additional information on our PbFree strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques Reference
Manual, SOLDERRM/D.
http://onsemi.com
SO16
D SUFFIX
CASE 751B
Device
Package
Shipping
ORDERING INFORMATION
MARKING
DIAGRAM
A    = Assembly Location
WL  = Wafer Lot
Y    = Year
WW = Work Week
G    = PbFree Package
1
1603D100G
AWLYWW
1
2
3
4
5
6
7
8
16
15
14
12
11
10
9
(Top View)
Osc
V
aux
FB2
CS2
GND2
GND1
Out1
V
CC1
HV
NC
Ramp
CS1
FB1
V
CC2
V
control
13
Out2
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
NCP1603D100R2G
SO16
(PbFree)
2500 Tape & Reel
16