NCP1207A 데이터 시트보기 (PDF) - ON Semiconductor
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NCP1207A Datasheet PDF : 17 Pages
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NCP1207A, NCP1207B
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)
Rating
Pin Symbol
Min
Typ
Max Unit
DYNAMIC SELF-SUPPLY
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
VCC Level at which Output Pulses are Disabled
6
VCCOFF
10.8
12
12.9
V
6
VCCON
9.1
10
10.6
V
6
VCClatch
-
5.3
-
V
6
UVLO
-
VCCON
-
V
-200mV
Internal IC Consumption, No Output Load on Pin 5,
FSW = 60 kHz
Internal IC Consumption, 1.0 nF Output Load on Pin 5,
FSW = 60 kHz
Internal IC Consumption in Latchoff Phase
6
ICC1
-
1.0
1.3
mA
(Note 1)
6
ICC2
-
1.6
2.0
mA
(Note 1)
6
ICC3
-
330
-
mA
INTERNAL STARTUP CURRENT SOURCE (TJ u 0°C)
High-voltage Current Source, VCC = 10 V
High-voltage Current Source, VCC = 0
DRIVE OUTPUT
8
IC1
8
IC2
4.3
7.0
9.6
mA
-
8.0
-
mA
Output Voltage Rise-time @ CL = 1.0 nF, 10-90% of Output Signal
5
Tr
-
40
-
ns
Output Voltage Fall-time @ CL = 1.0 nF, 10-90% of Output Signal
5
Tf
-
20
-
ns
Source Resistance
5
ROH
12
20
36
W
Sink Resistance
5
ROL
5.0
10
19
W
CURRENT COMPARATOR (Pin 5 Unloaded)
Input Bias Current @ 1.0 V Input Level on Pin 3
Maximum Internal Current Setpoint
Propagation Delay from Current Detection to Gate OFF State
Leading Edge Blanking Duration
Internal Current Offset Injected on the CS Pin during OFF Time
3
IIB
-
0.02
-
mA
3
ILimit
0.92
1.0
1.12
V
3
TDEL
-
100
160
ns
3
TLEB
-
380
-
ns
3
Iskip
-
200
-
mA
OVERVOLTAGE SECTION (VCC = 11 V)
Sampling Delay after ON Time
NCP1207A 1
Tsample
-
4.5
-
ms
NCP1207B
1.5
OVP Internal Reference Level
FEEDBACK SECTION (VCC = 11 V, Pin 5 Loaded by 1.0 kW)
Internal Pull-up Resistor
1
Vref
6.4
7.2
8.0
V
2
Rup
-
20
-
kW
Pin 3 to Current Setpoint Division Ratio
-
Iratio
-
3.3
-
-
Internal Soft-start
-
Tss
-
1.0
-
ms
DEMAGNETIZATION DETECTION BLOCK
Input Threshold Voltage (Vpin 1 Decreasing)
1
Hysteresis (Vpin 1 Decreasing)
1
Input Clamp Voltage
High State (Ipin 1 = 3.0 mA)
1
Low State (Ipin 1 = -2.0 mA)
1
Demag Propagation Delay
1
Internal Input Capacitance at Vpin 1 = 1.0 V
1
Minimum TOFF (Internal Blanking Delay after TON)
NCP1207A 1
NCP1207B
Vth
VH
VCH
VCL
Tdem
Cpar
Tblank
35
-
8.0
-0.9
-
-
-
3.5
50
20
10
-0.7
210
10
8.0
4.5
90
mV
-
mV
12
V
-0.5
V
-
ns
-
pF
-
ms
5.5
Timeout After Last Demag Transition
Pin 1 Internal Impedance
1. Max value at TJ = 0°C.
1
Tout
1
Rint
-
5.0
-
ms
-
28
-
kW
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