NCP1337
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5
ELECTRICAL CHARACTERISTICS
(For typical values T
J
= 25°C, for min/max values T
J
= 0°C to +125°C, Max T
J
= 150°C, V
CC
= 11 V, unless otherwise noted.)
Characteristic Pin Symbol Min Typ Max Unit
SUPPLY SECTION
V
CC
Increasing Level at which the Controller Starts 6 VCC
ON
11 12 13 V
V
CC
Decreasing Level at which the Controller Stops 6 VCC
MIN
9.0 10 11 V
Protection Mode is Activated if V
CC
reaches this Level whereas the HV
Current Source is ON
6 VCC
OFF
− 9.0 − V
V
CC
Decreasing Level at which the Latch−Off Phase Ends 6 VCC
LATCH
3.6 5.0 6.0 V
Margin between V
CC
Level at which Latch Fault is Released and
VCC
LATCH
− V
MARGIN
0.3 − − V
V
CC
Increasing Level at which the Controller Enters Protection Mode 6 VCC
OVP
17.6 18.6 19.6 V
V
CC
Level below which HV Current Source is Reduced 6 VCC
INHIB
− 1.5 − V
Internal IC Consumption, No Output Load on Pin 5, F
SW
= 60 kHz 6 ICC1 − 1.2 − mA
Internal IC Consumption, 1.0 nF Output Load on Pin 5, F
SW
= 60 kHz 6 ICC2 − 2.0 − mA
Internal IC Consumption, Latch−Off Phase, V
CC
= 8.0 V 6 ICC3 − 600 − mA
Internal IC Consumption in Skip 6 ICC
LOW
− 600 − mA
INTERNAL STARTUP CURRENT SOURCE
Minimum Guaranteed Startup Voltage on HV Pin 8 V
HVmin
− − 55 V
High−Voltage Current Source when V
CC
> VCC
INHIB
(V
CC
= 10.5 V, V
HV
= 60 V)
8 IC1 5.5 9.5 15 mA
High−Voltage Current Source when V
CC
< VCC
INHIB
(V
CC
= 0 V, V
HV
= 60 V)
8 IC2 0.3 0.6 1.1 mA
Leakage Current Flowing when the HV Current Source is OFF
(V
CC
= 17 V, V
HV
= 500 V)
8 I
HVLeak
− − 90 mA
DRIVE OUTPUT
Output Voltage Rise−Time @ CL = 1.0 nF, 10−90% of Output Signal 5 T
R
− 50 − ns
Output Voltage Fall−Time @ CL = 1.0 nF, 10−90% of Output Signal 5 T
F
− 20 − ns
Source Resistance 5 R
OH
− 20 − W
Sink Resistance 5 R
OL
− 8.0 − W
TEMPERATURE SHUTDOWN
Temperature Shutdown − TSD 130 − − °C
Hysteresis on Temperature Shutdown − − − 30 − °C
CURRENT COMPARATOR
Maximum Internal Current Setpoint (@ I
FB
= I
FB100%
) 3 V
CSLimit
475 500 525 mV
Minimum Internal Current Setpoint (@ I
FB
= I
FBrippleIN
) 3 V
CSrippleIN
− 100 − mV
Internal Current Setpoint for I
FB
= I
FBrippleOUT
3 V
CSrippleOUT
− 130 − mV
Propagation Delay from Current Detection to Gate OFF State 3 T
DEL
− 120 150 ns
Leading Edge Blanking Duration 3 T
LEB
− 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 I
OPC
−
−
35
105
−
−
mA
Maximum ON Time 5 MaxT
ON
52 67 82 ms
