NCP1207A(2004) 查看數據表（PDF） - ON Semiconductor
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NCP1207A
(Rev.:2004)
(Rev.:2004)
ON Semiconductor
NCP1207A Datasheet PDF : 16 Pages
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NCP1207A
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
4.3
7.0
9.6
mA
8
IC2
−
8.0
−
mA
Output Voltage Rise−time @ CL = 1.0 nF, 10−90% of Output Signal
Output Voltage Fall−time @ CL = 1.0 nF, 10−90% of Output Signal
Source Resistance
Sink Resistance
CURRENT COMPARATOR (Pin 5 Unloaded)
5
Tr
−
40
−
ns
5
Tf
−
20
−
ns
5
ROH
12
20
36
W
5
ROL
5.0
10
19
W
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
3
ILimit
3
TDEL
3
TLEB
3
Iskip
−
0.92
−
−
−
0.02
1.0
100
380
200
−
mA
1.12
V
160
ns
−
ns
−
mA
OVERVOLTAGE SECTION (VCC = 11 V)
Sampling Delay after ON Time
OVP Internal Reference Level
FEEDBACK SECTION (VCC = 11 V, Pin 5 Loaded by 1.0 kW)
Internal Pull−up Resistor
1
Tsample
−
4.5
−
ms
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)
Hysteresis (Vpin 1 Decreasing)
Input Clamp Voltage
High State (Ipin 1 = 3.0 mA)
Low State (Ipin 1 = −2.0 mA)
Demag Propagation Delay
Internal Input Capacitance at Vpin 1 = 1.0 V
Minimum TOFF (Internal Blanking Delay after TON)
Timeout After Last Demag Transition
Pin 1 Internal Impedance
1. Max value at TJ = 0°C.
1
Vth
1
VH
1
VCH
1
VCL
1
Tdem
1
Cpar
1
Tblank
1
Tout
1
Rint
35
−
8.0
−0.9
−
−
−
−
−
50
20
10
−0.7
210
10
8.0
5.0
28
90
mV
−
mV
12
V
−0.5
V
−
ns
−
pF
−
ms
−
ms
−
kW
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