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NCP1600 fiches techniques PDF

ON Semiconductor - High Voltage PFC Controller

Numéro de référence NCP1600
Description High Voltage PFC Controller
Fabricant ON Semiconductor 
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NCP1600 fiche technique
NCP1600
High Voltage PFC Controller
with Standby Power Saving
The NCP1600 is an active power factor correction controller that
operates as a boost preconverter in offline power supply
applications. NCP1600 is optimized for low to medium power,
highdensity power supplies requiring a minimum board area,
reduced component count and low power dissipation. Two
comparators are built into this device to improve standby (power)
efficiency. With these two comparators, the PFC controller
automatically switches itself in between normal mode and standby
mode (skip or off mode) to save power consumption during light load
conditions.
The NCP1600 can achieve deliver followboost operation that is
an innovative mode allowing a drastic size reduction of both the
inductor and the power switch. Ultimately, the solution system cost is
significantly lowered. NCP1600 can also work in a traditional
constant output voltage mode and intermediate solutions can be
easily implemented. This flexibility makes it ideal to optimally cope
with a wide range of applications.
Features
Lose Less HighVoltage Startup Source
Standard Constant Output Voltage or “FollowBoost” Mode
PFC Skip Mode and Off Mode under Light Load Conditions
Selectable Switching Frequency Clamp
Disable Pin to Stop PFC Operation
Restart Delay Timer
Brownout Protection for Startup
Feedback Loop Open Detection
Output Overvoltage Comparator
Switch Mode Operation: Voltage Mode
Constant OnTime Operation That Saves the Use of an Extra
Multiplier
Improved Regulation Block Dynamic Behavior
Internally Trimmed Reference Current Source
Internal Leading Edge Blanking (LEB) for Noise Immunity
Typical Applications
Monitor/TV Power Supplies
PC Power Supplies
Notebook PC Adapters
Medium Power Adapters
http://onsemi.com
MARKING
DIAGRAM
16
1
SO16
D SUFFIX
CASE 751B
NCP1600
AWLYWW
A = Assembly Location
WL = Wafer Lot
Y = Year
WW = Work Week
PIN CONNECTIONS
AGND 1
VREF 2
RD 3
FB_In 4
CS 5
Mir_Out 6
Vth 7
STB 8
16 Line
15 NC
14 FC
13 VCON
12 CT
11 VCC
10 Gate
9 PGND
(Top View)
ORDERING INFORMATION
Device
Package
Shipping
NCP1600D
SO16
48 Units / Rail
© Semiconductor Components Industries, LLC, 2006
July, 2006 Rev. 2
1
Publication Order Number:
NCP1600/D

PagesPages 23
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