NCP1200_15 Datasheet, PDF (4/16 Pages) ON Semiconductor – PWM Current-Mode Controller for Low-Power Universal Off-Line Supplies

NCP1200
ELECTRICAL CHARACTERISTICS (For typical values T_J = +25°C, for min/max values T_J = −25°C to +125°C, Max T_J = 150°C,
V_CC= 11 V unless otherwise noted)
Rating
Pin Symbol Min
Typ
Max Unit
DYNAMIC SELF−SUPPLY (All Frequency Versions, Otherwise Noted)
V_CC Increasing Level at Which the Current Source Turns−off
V_CC Decreasing Level at Which the Current Source Turns−on
V_CC Decreasing Level at Which the Latchoff Phase Ends
Internal IC Consumption, No Output Load on Pin 5
6
V_CCOFF
10.3
11.4
12.5
V
6
V_CCON
8.8
9.8
11
V
6
V_CClatch
−
6.3
−
V
6
I_CC1
−
710
880 mA
Note 1
Internal IC Consumption, 1 nF Output Load on Pin 5, F_SW = 40 kHz
6
I_CC2
−
1.2
1.4 mA
Note 2
Internal IC Consumption, 1 nF Output Load on Pin 5, F_SW = 60 kHz
6
I_CC2
−
1.4
1.6 mA
Note 2
Internal IC Consumption, 1 nF Output Load on Pin 5, F_SW = 100 kHz
Internal IC Consumption, Latchoff Phase
INTERNAL CURRENT SOURCE
6
I_CC2
6
I_CC3
−
1.9
2.2 mA
Note 2
−
350
−
mA
High−voltage Current Source, V_CC = 10 V
High−voltage Current Source, V_CC = 0 V
DRIVE OUTPUT
8
I_C1
8
I_C2
2.8
4.0
−
4.9
−
mA
−
mA
Output Voltage Rise−time @ CL = 1 nF, 10−90% of Output Signal
Output Voltage Fall−time @ CL = 1 nF, 10−90% of Output Signal
Source Resistance (drive = 0, Vgate = V_CCHMAX − 1 V)
Sink Resistance (drive = 11 V, Vgate = 1 V)
CURRENT COMPARATOR (Pin 5 Un−loaded)
5
T_r
5
T_f
5
R_OH
5
R_OL
−
67
−
ns
−
28
−
ns
27
40
61
W
5
12
25
W
Input Bias Current @ 1 V Input Level on Pin 3
Maximum internal Current Setpoint
Default Internal Current Setpoint for Skip Cycle Operation
Propagation Delay from Current Detection to Gate OFF State
Leading Edge Blanking Duration
INTERNAL OSCILLATOR (V_CC = 11 V, Pin 5 Loaded by 1 kW)
Oscillation Frequency, 40 kHz Version
Oscillation Frequency, 60 kHz Version
Oscillation Frequency, 100 kHz Version
Built−in Frequency Jittering, F_SW = 40 kHz
Built−in Frequency Jittering, F_SW = 60 kHz
Built−in Frequency Jittering, F_SW = 100 kHz
Maximum Duty Cycle
3
I_IB
3
I_Limit
3
I_Lskip
3
T_DEL
3
T_LEB
−
f_OSC
−
f_OSC
−
f_OSC
−
f_jitter
−
f_jitter
−
f_jitter
−
Dmax
−
0.02
−
mA
0.8
0.9
1.0
V
−
350
−
mV
−
100
160
ns
−
230
−
ns
36
42
48 kHz
52
61
70 kHz
86
103
116 kHz
−
300
− Hz/V
−
450
− Hz/V
−
620
− Hz/V
74
80
87
%
FEEDBACK SECTION (V_CC = 11 V, Pin 5 Loaded by 1 kW)
Internal Pullup Resistor
Pin 3 to Current Setpoint Division Ratio
2
Rup
−
Iratio
−
8.0
−
kW
−
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
−
kW
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
1. Max value @ T_J = −25°C.
2. Max value @ T_J = 25°C, please see characterization curves.
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