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NCP1203D60R2 Datasheet(PDF) 4 Page - ON Semiconductor

Part No. NCP1203D60R2
Description  PWM Current−Mode Controller for Universal Off−Line Supplies Featuring Standby and Short Circuit Protection
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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NCP1203
http://onsemi.com
4
ELECTRICAL CHARACTERISTICS (For typical values TJ = 25°C, for min/max values TJ = 0°C to +125°C, Max TJ = 150°C,
VCC = 11 V unless otherwise noted.)
Characteristic
Symbol
Pin
Min
Typ
Max
Unit
Supply Section (All frequency versions, otherwise noted)
Turn−on Threshold Level, VCC Going Up
VCC(on)
6
12.2
12.8
14
V
Minimum Operating Voltage after Turn−on
VCC(min)
6
7.2
7.8
8.4
V
VCC Decreasing Level at which the Latchoff Phase Ends
VCClatch
6
4.9
V
Internal IC Consumption, No Output Load on Pin 5
ICC1
6
750
880
(Note 1)
mA
Internal IC Consumption, 1.0 nF Output Load on Pin 5,
FSW = 40 kHz
ICC2
6
1.2
1.4
(Note 2)
mA
Internal IC Consumption, 1.0 nF Output Load on Pin 5,
FSW = 60 kHz
ICC2
6
1.4
1.6
(Note 2)
mA
Internal IC Consumption, 1.0 nF Output Load on Pin 5,
FSW = 100 kHz
ICC2
6
2.0
2.2
(Note 2)
mA
Internal IC Consumption, Latch−off Phase, VCC = 6.0 V
ICC3
6
250
mA
Internal Startup Current Source (Pin 8 biased at 50 V)
High−Voltage Current Source, VCC = 10 V
IC1
8
3.5
6.0
9.0
mA
High−Voltage Current Source, VCC = 0
IC2
8
11
mA
Drive Output
Output Voltage Rise−Time @ CL = 1.0 nF, 10−90% of
Output Signal
Tr
5
67
ns
Output Voltage Fall−Time @ CL = 1.0 nF, 10−90% of
Output Signal
Tf
5
28
ns
Source Resistance
ROH
5
27
40
61
W
Sink Resistance
ROL
5
5.0
10
20
W
Current Comparator (Pin 5 loaded unless otherwise noted)
Input Bias Current @ 1.0 V Input Level on Pin 3
IIB
3
0.02
mA
Maximum Internal Current Setpoint (Note 3)
ILimit
3
0.85
0.92
1.0
V
Default Internal Current Setpoint for Skip Cycle Operation
ILskip
3
360
mV
Propagation Delay from Current Detection to Gate OFF
State
TDEL
3
90
160
ns
Leading Edge Blanking Duration (Note 3)
TLEB
3
230
ns
Internal Oscillator (VCC = 11 V, Pin 5 loaded by 1 nF)
Oscillation Frequency, 40 kHz Version
fOSC
37
42
47
kHz
Oscillation Frequency, 60 kHz Version
fOSC
57
65
73
kHz
Oscillation Frequency, 100 kHz Version
fOSC
90
103
115
kHz
Maximum Duty−Cycle
Dmax
74
80
87
%
Feedback Section (VCC = 11 V, Pin 5 unloaded)
Internal Pullup Resistor
Rup
2
20
k
W
Pin 3 to Current Setpoint Division Ratio
Iratio
3.3
Skip Cycle Generation
Default Skip Mode Level
Vskip
1
1.0
1.2
1.4
V
Pin 1 Internal Output Impedance
Zout
1
22
k
W
1. Max value at TJ = 0°C.
2. Maximum value @ TJ = 25°C, please see characterization curves.
3. Pin 5 loaded by 1 nF.




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