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What is 1200AP40?

This electronic component, produced by the manufacturer "ON Semiconductor", performs the same function as "NCP1200AP40".


1200AP40 Datasheet PDF - ON Semiconductor

Part Number 1200AP40
Description NCP1200AP40
Manufacturers ON Semiconductor 
Logo ON Semiconductor Logo 


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NCP1200A
wPwwW.DataMSheetC4U.cuomrrent−Mode
Controller for Universal
Off−Line Supplies Featuring
Low Standby Power
Housed in SOIC−8 or PDIP−8 package, the NCP1200A enhances
the previous NCP1200 series by offering a reduced optocoupler
current together with an increased drive capability. Due to its novel
concept, the circuit allows the implementation of complete off−line
AC−DC adapters, battery charger or a SMPS where standby power is a
key parameter.
With an internal structure operating at a fixed 40 kHz, 60 kHz or
100 kHz, the controller supplies itself from the high−voltage rail,
avoiding the need of an auxiliary winding. This feature naturally eases
the designer task in battery charger applications. Finally,
current−mode control provides an excellent audio−susceptibility and
inherent pulse−by−pulse control.
When the current setpoint falls below a given value, e.g. the output
power demand diminishes, the IC automatically enters the so−called
skip cycle mode and provides excellent efficiency at light loads.
Because this occurs at a user adjustable low peak current, no acoustic
noise takes place.
The NCP1200A features an efficient protective circuitry which, in
presence of an overcurrent condition, disables the output pulses while
the device enters a safe burst mode, trying to restart. Once the default
has gone, the device auto−recovers.
Features
Pb−Free Packages are Available
No Auxiliary Winding Operation
Auto−Recovery Internal Output Short−Circuit Protection
Extremely Low No−Load Standby Power
Current−Mode Control with Skip−Cycle Capability
Internal Temperature Shutdown
Internal Leading Edge Blanking
250 mA Peak Current Capability
Internally Fixed Frequency at 40 kHz, 60 kHz and 100 kHz
Direct Optocoupler Connection
SPICE Models Available for TRANsient and AC Analysis
Pin to Pin Compatible with NCP1200
Typical Applications
AC−DC Adapters for Portable Devices
Offline Battery Chargers
Auxiliary Power Supplies (USB, Appliances, TVs, etc.)
http://onsemi.com
MINIATURE PWM
CONTROLLER FOR HIGH
POWER AC−DC WALL
ADAPTERS AND OFFLINE
BATTERY CHARGERS
8
1
8
1
SOIC−8
D SUFFIX
CASE 751
MARKING
DIAGRAMS
8
200Ay
ALYW
1
PDIP−8
P SUFFIX
CASE 626
8
1200APxxx
AWL
YYWW
1
xxx = Specific Device Code
(40, 60 or 100)
y = Specific Device Code
(4 for 40, 6 for 60, 1 for 100)
A = Assembly Location
WL, L = Wafer Lot
Y, YY = Year
W, WW = Work Week
PIN CONNECTIONS
Adj 1
FB 2
CS 3
GND 4
8 HV
7 NC
6 VCC
5 Drv
(Top View)
© Semiconductor Components Industries, LLC, 2004
October, 2004− Rev. 5
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 13 of this data sheet.
1 Publication Order Number:
NCP1200A/D

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1200AP40 equivalent
NCP1200A
TYPICAL CHARACTERISTICS
70
www.DataSheet4U.com
60
12.5
12.3
50 12.1
40 11.9
30 11.7
20 11.5
10 11.3
0
−25
0
25 50 75 100 125
TEMPERATURE (°C)
Figure 3. HV Pin Leakage Current vs. Temperature
11.1
−25
0 25 50 75 100
TEMPERATURE (°C)
Figure 4. VCC(off) vs. Temperature
10.2 900
10.1 850
10.0 800 100 kHz
9.9 750
60 kHz
9.8 700
40 kHz
9.7 650
9.6
−25
0 25 50 75 100
TEMPERATURE (°C)
Figure 5. VCC(on) vs. Temperature
125
600
−25
0 25 50 75 100
TEMPERATURE (°C)
Figure 6. ICC1 vs. Temperature
125
125
2.10
1.90
1.70
1.50
1.30
1.10
0.90
−25
100 kHz
110
100 kHz
104
98
92
86
80
60 kHz
40 kHz
74
68
62 60 kHz
56
50
40 kHz
44
38
0 25 50 75 100 125
−25 0
25 50 75 100 125
TEMPERATURE (°C)
TEMPERATURE (°C)
Figure 7. ICC2 vs. Temperature
Figure 8. Switching Frequency vs. Temperature
http://onsemi.com
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1200AP40 PWM Controller


1. PWM Current-Mode Controller - Onsemi

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Featured Datasheets

Part NumberDescriptionMFRS
1200AP40The function is NCP1200AP40. ON SemiconductorON Semiconductor

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