NCP1000, NCP1001,
NCP1002
Integrated Off-Line
Switching Regulator
The NCP1000 through NCP1002 series of integrated switching
regulators, combine a fixed frequency PWM controller with an
integrated high voltage power switch circuit. This chip allows for
simple design and minimal parts count for very low cost applications
which utilize an ac input. This chip is designed to power a single ended
topology, typically a discontinuous mode flyback, with secondary side
sensing.
The internal high voltage switch circuit and start鈥搖p circuit can
function in continuous operation over a wide range of inputs, from 85
Vac to 265 Vac, and thus can be used in any existing power system in
the world. Though inexpensive, these devices include a number of
features such as undervoltage lockout, over鈥搕emperature protection,
bandgap reference and leading edge blanking that make them an
excellent value.
Features
http://onsemi.com
MARKING
DIAGRAMS
TO鈥?20
T SUFFIX
CASE 314D
NCP100xT
AWLYWW
34
5
Pin:
1.
2.
3.
4.
5.
V
CC
Feedback Input
Ground
1
Startup
Power Switch Circuit
12
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
5
Highly Integrated Solution
Operates Over Universal Input Voltage Range (85 Vac to 265 Vac)
On鈥揵oard 700 Volt Power Switch Circuit
Minimal External Parts Required
Input Undervoltage Lockout with Hysteresis
Very Low Standby Current
No Minimum Load Requirement
Opto Fail鈥搒afe Shutdown Circuit
8
8
1
DIP鈥?
P SUFFIX
CASE 626
1
Pin:
1.
2.
3, 6鈥?
4.
5.
V
CC
Feedback Input
Ground
Startup
Power Switch Circuit
NCP100xP
AWL
YYWW
Typical Applications
鈥?/div>
Cell Phone Chargers
鈥?/div>
Wall Adapters
鈥?/div>
On鈥揵oard AC鈥揇C Converters
V
CC
INTERNAL BIAS
UVLO &
OPTO FAIL鈥揝AFE
FEEDBACK
INPUT
+
-
GND
PWM
COMPARATOR
PWM CONTROL
& POWER
SWITCH CIRCUIT
START鈥揢P
x
A
WL
YY, Y
WW
START鈥揢P
CIRCUIT
POWER
SWITCH
CIRCUIT
= Device Number 0, 1, or 2
= Assembly Location
= Wafer Lot
= Year
= Work Week
ORDERING INFORMATION*
Ipk Ron
Typ Max
(A) (W)
0.5
1.0
1.5
0.5
1.0
1.5
18
9
6
18
9
6
Device
NCP1000P
NCP1001P
Package
DIP鈥?
DIP鈥?
DIP鈥?
TO鈥?20
TO鈥?20
TO鈥?20
Shipping
50 Units/Rail
50 Units/Rail
50 Units/Rail
50 Units/Rail
50 Units/Rail
50 Units/Rail
OSCILLATOR
NCP1002P
NCP1000T
Figure 1. Simplified Block Diagram
NCP1001T
NCP1002T
*Consult factory for additional optocoupler fail鈥搒afe
latching, frequency, and current limit options.
漏
Semiconductor Components Industries, LLC, 2001
1
March, 2001 鈥?Rev. 2
Publication Order Number:
NCP1000/D
NCP1001T相關(guān)型號(hào)PDF文件下載
-
型號(hào)
版本
描述
廠商
下載
-
英文版
Sub 1.0 V Precision Adjustable Shunt Regulator
ONSEMI
-
英文版
Sub 1.0 V Precision Adjustable Shunt Regulator
ONSEMI [ON...
-
英文版
Self-Supplied Monolithic Switcher for Low Standby-Power Offl...
-
英文版
Integrated Off-Line Switching Regulator
ONSEMI
-
英文版
Integrated Off-Line Switching Regulator
ONSEMI [ON...
-
英文版
Integrated Off-Line Switching Regulator
ONSEMI
-
英文版
Integrated Off-Line Switching Regulator
ONSEMI [ON...
-
英文版
Integrated Off-Line Switching Regulator
ONSEMI
-
英文版
Integrated Off-Line Switching Regulator
ONSEMI [ON...
-
英文版
Self-Supplied Monolithic Switcher for Low Standby- Power Off...
ONSEMI
-
英文版
Self-Supplied Monolithic Switcher for Low Standby- Power Off...
ONSEMI [ON...
-
英文版
Self-Supplied Monolithic Switcher for Low Standby- Power Off...
ONSEMI
-
英文版
Self-Supplied Monolithic Switcher for Low Standby- Power Off...
ONSEMI [ON...
-
英文版
Self-Supplied Monolithic Switcher for Low Standby- Power Off...
ONSEMI
-
英文版
Self-Supplied Monolithic Switcher for Low Standby- Power Off...
ONSEMI [ON...
-
英文版
Self-Supplied Monolithic Switcher for Low Standby- Power Off...
ONSEMI
-
英文版
Self-Supplied Monolithic Switcher for Low Standby- Power Off...
ONSEMI [ON...
-
英文版
Self-Supplied Monolithic Switcher for Low Standby- Power Off...
ONSEMI
-
英文版
Self-Supplied Monolithic Switcher for Low Standby- Power Off...
ONSEMI [ON...
-
英文版
Self-Supplied Monolithic Switcher for Low Standby- Power Off...
ONSEMI [ON Semi...
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
