NCP1200 데이터 시트보기 (PDF) - ON Semiconductor
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NCP1200 Datasheet PDF : 16 Pages
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NCP1200
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
VCC Decreasing Level at Which the Current Source Turns−on
VCC Decreasing Level at Which the Latchoff Phase Ends
Internal IC Consumption, No Output Load on Pin 5
6
VCCOFF
10.3
6
VCCON
8.8
6
VCClatch
−
6
ICC1
−
11.4
12.5
V
9.8
11
V
6.3
−
V
710
880 mA
Note 1
Internal IC Consumption, 1 nF Output Load on Pin 5, FSW = 40 kHz
6
ICC2
−
1.2
1.4 mA
Note 2
Internal IC Consumption, 1 nF Output Load on Pin 5, FSW = 60 kHz
6
ICC2
−
1.4
1.6 mA
Note 2
Internal IC Consumption, 1 nF Output Load on Pin 5, FSW = 100 kHz
6
ICC2
−
1.9
2.2 mA
Note 2
Internal IC Consumption, Latchoff Phase
INTERNAL CURRENT SOURCE
6
ICC3
−
350
−
mA
High−voltage Current Source, VCC = 10 V
High−voltage Current Source, VCC = 0 V
DRIVE OUTPUT
8
IC1
8
IC2
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 = VCCHMAX − 1 V)
Sink Resistance (drive = 11 V, Vgate = 1 V)
CURRENT COMPARATOR (Pin 5 Un−loaded)
5
Tr
5
Tf
5
ROH
5
ROL
−
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 (VCC = 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, FSW = 40 kHz
Built−in Frequency Jittering, FSW = 60 kHz
Built−in Frequency Jittering, FSW = 100 kHz
Maximum Duty Cycle
3
IIB
3
ILimit
3
ILskip
3
TDEL
3
TLEB
−
fOSC
−
fOSC
−
fOSC
−
fjitter
−
fjitter
−
fjitter
−
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 (VCC = 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
Pin 1 internal output impedance
1. Max value @ TJ = −25°C.
2. Max value @ TJ = 25°C, please see characterization curves.
1
Vskip
1.1
1.4
1.6
V
1
Zout
−
25
−
kW
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