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NCP1200 Datasheet(PDF) 4 Page - ON Semiconductor

Part No. NCP1200
Description  PWM Current−Mode Controller for Low−Power Universal Off−Line Supplies
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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NCP1200 Datasheet(HTML) 4 Page - ON Semiconductor

 
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NCP1200
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ELECTRICAL CHARACTERISTICS (For typical values TJ = +25°C, for min/max values TJ = −25°C to +125°C, Max TJ = 150°C,
VCC= 11 V unless otherwise noted)
Rating
Pin
Symbol
Min
Typ
Max
Unit
DYNAMIC SELF−SUPPLY (All Frequency Versions, Otherwise Noted)
VCC Increasing Level at Which the Current Source Turns−off
6
VCCOFF
10.3
11.4
12.5
V
VCC Decreasing Level at Which the Current Source Turns−on
6
VCCON
8.8
9.8
11
V
VCC Decreasing Level at Which the Latchoff Phase Ends
6
VCClatch
6.3
V
Internal IC Consumption, No Output Load on Pin 5
6
ICC1
710
880
Note 1
mA
Internal IC Consumption, 1 nF Output Load on Pin 5, FSW = 40 kHz
6
ICC2
1.2
1.4
Note 2
mA
Internal IC Consumption, 1 nF Output Load on Pin 5, FSW = 60 kHz
6
ICC2
1.4
1.6
Note 2
mA
Internal IC Consumption, 1 nF Output Load on Pin 5, FSW = 100 kHz
6
ICC2
1.9
2.2
Note 2
mA
Internal IC Consumption, Latchoff Phase
6
ICC3
350
mA
INTERNAL CURRENT SOURCE
High−voltage Current Source, VCC = 10 V
8
IC1
2.8
4.0
mA
High−voltage Current Source, VCC = 0 V
8
IC2
4.9
mA
DRIVE OUTPUT
Output Voltage Rise−time @ CL = 1 nF, 10−90% of Output Signal
5
Tr
67
ns
Output Voltage Fall−time @ CL = 1 nF, 10−90% of Output Signal
5
Tf
28
ns
Source Resistance (drive = 0, Vgate = VCCHMAX − 1 V)
5
ROH
27
40
61
W
Sink Resistance (drive = 11 V, Vgate = 1 V)
5
ROL
5
12
25
W
CURRENT COMPARATOR (Pin 5 Un−loaded)
Input Bias Current @ 1 V Input Level on Pin 3
3
IIB
0.02
mA
Maximum internal Current Setpoint
3
ILimit
0.8
0.9
1.0
V
Default Internal Current Setpoint for Skip Cycle Operation
3
ILskip
350
mV
Propagation Delay from Current Detection to Gate OFF State
3
TDEL
100
160
ns
Leading Edge Blanking Duration
3
TLEB
230
ns
INTERNAL OSCILLATOR (VCC = 11 V, Pin 5 Loaded by 1 kW)
Oscillation Frequency, 40 kHz Version
fOSC
36
42
48
kHz
Oscillation Frequency, 60 kHz Version
fOSC
52
61
70
kHz
Oscillation Frequency, 100 kHz Version
fOSC
86
103
116
kHz
Built−in Frequency Jittering, FSW = 40 kHz
fjitter
300
Hz/V
Built−in Frequency Jittering, FSW = 60 kHz
fjitter
450
Hz/V
Built−in Frequency Jittering, FSW = 100 kHz
fjitter
620
Hz/V
Maximum Duty Cycle
Dmax
74
80
87
%
FEEDBACK SECTION (VCC = 11 V, Pin 5 Loaded by 1 kW)
Internal Pullup Resistor
2
Rup
8.0
k
W
Pin 3 to Current Setpoint Division Ratio
Iratio
4.0
SKIP CYCLE GENERATION
Default skip mode level
1
Vskip
1.1
1.4
1.6
V
Pin 1 internal output impedance
1
Zout
25
k
W
1. Max value @ TJ = −25°C.
2. Max value @ TJ = 25°C, please see characterization curves.


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