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NCP1337 Datasheet(PDF) 5 Page - ON Semiconductor

Part No. NCP1337
Description  PWM Current−Mode Controller for Free Running Quasi−Resonant Operation
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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NCP1337
http://onsemi.com
5
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
Pin
Symbol
Min
Typ
Max
Unit
SUPPLY SECTION
VCC Increasing Level at which the Controller Starts
6
VCCON
11
12
13
V
VCC Decreasing Level at which the Controller Stops
6
VCCMIN
9.0
10
11
V
Protection Mode is Activated if VCC reaches this Level whereas the HV
Current Source is ON
6
VCCOFF
9.0
V
VCC Decreasing Level at which the Latch−Off Phase Ends
6
VCCLATCH
3.6
5.0
6.0
V
Margin between VCC Level at which Latch Fault is Released and
VCCLATCH
VMARGIN
0.3
V
VCC Increasing Level at which the Controller Enters Protection Mode
6
VCCOVP
17.6
18.6
19.6
V
VCC Level below which HV Current Source is Reduced
6
VCCINHIB
1.5
V
Internal IC Consumption, No Output Load on Pin 5, FSW = 60 kHz
6
ICC1
1.2
mA
Internal IC Consumption, 1.0 nF Output Load on Pin 5, FSW = 60 kHz
6
ICC2
2.0
mA
Internal IC Consumption, Latch−Off Phase, VCC = 8.0 V
6
ICC3
600
mA
Internal IC Consumption in Skip
6
ICCLOW
600
mA
INTERNAL STARTUP CURRENT SOURCE
Minimum Guaranteed Startup Voltage on HV Pin
8
VHVmin
55
V
High−Voltage Current Source when VCC > VCCINHIB
(VCC = 10.5 V, VHV = 60 V)
8
IC1
5.5
9.5
15
mA
High−Voltage Current Source when VCC < VCCINHIB
(VCC = 0 V, VHV = 60 V)
8
IC2
0.3
0.6
1.1
mA
Leakage Current Flowing when the HV Current Source is OFF
(VCC = 17 V, VHV = 500 V)
8
IHVLeak
90
mA
DRIVE OUTPUT
Output Voltage Rise−Time @ CL = 1.0 nF, 10−90% of Output Signal
5
TR
50
ns
Output Voltage Fall−Time @ CL = 1.0 nF, 10−90% of Output Signal
5
TF
20
ns
Source Resistance
5
ROH
20
W
Sink Resistance
5
ROL
8.0
W
TEMPERATURE SHUTDOWN
Temperature Shutdown
TSD
130
°C
Hysteresis on Temperature Shutdown
30
°C
CURRENT COMPARATOR
Maximum Internal Current Setpoint (@ IFB = IFB100%)
3
VCSLimit
475
500
525
mV
Minimum Internal Current Setpoint (@ IFB = IFBrippleIN)
3
VCSrippleIN
100
mV
Internal Current Setpoint for IFB = IFBrippleOUT
3
VCSrippleOUT
130
mV
Propagation Delay from Current Detection to Gate OFF State
3
TDEL
120
150
ns
Leading Edge Blanking Duration
3
TLEB
350
ns
Internal Current Offset Injected on the CS Pin during ON Time
(Over Power Compensation)
@ 1.0 V on Pin 1 and Vpin3 = 0.5 V
@ 2.0 V on Pin 1 and Vpin3 = 0.5 V
3
IOPC
35
105
mA
Maximum ON Time
5
MaxTON
52
67
82
ms




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