NCP1395 Ver la hoja de datos (PDF) - ON Semiconductor
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NCP1395 Datasheet PDF : 27 Pages
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NCP1395A/B
ELECTRICAL CHARACTERISTICS (continued) (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
TIMERS
Timer Charge Current
6
Itimer
−
150
−
mA
Timer Duration with a 1.0 mF Capacitor and a 1.0 MW Resistor
6
T−timer
−
25
−
ms
Timer Recurrence in Permanent Fault, Same Values as Above
6
T−timerR
−
1.4
−
s
Voltage at which Pin 6 Stops Output Pulses
6
VtimerON
3.7
4.1
4.5
V
Voltage at which Pin 6 Restarts Output Pulses
6
VtimerOFF 0.9
1.0
1.1
V
Soft−Start Ending Voltage, VFB = 1.0 V
Soft−Start Charge Current
4
VSS
−
2.0
−
V
4
ISS
75
95
115
mA
Note 5
Soft−Start Duration with a 220 nF Capacitor (Note 4)
4
T−SS
−
5.0
−
ms
PROTECTION
Reference Voltage for Fast Input
13
VrefFaultF 1.0
1.05 1.1
V
Reference Voltage for Slow Input
14
VrefFaultS 0.98 1.03 1.08
V
Hysteresis for Fast Input
13 HysteFaultF
−
50
−
mV
Hysteresis for Slow Input
14 HysteFaultS
−
40
−
mV
Propagation Delay for Fast Fault Input Drive Shutdown
13
TpFault
−
70
120
ns
Brown−Out Input Bias Current
7
IBObias
−
0.02
−
mA
Brown−Out Level
7
VBO
0.98 1.03 1.08
V
Hysteresis Current, Vpin 7 > VBO – A Version
7
IBO_A
23
28
33
mA
Hysteresis Current, Vpin 7 > VBO – B Version
7
IBO_B
70
83
96
mA
Latching Voltage
7
Vlatch
3.7
4.1
4.5
V
Temperature Shutdown
−
TSD
140
−
−
°C
Hysteresis
−
TSDhyste
−
40
−
°C
4. The A version does not activate soft−start when the fast−fault is released, this is for skip cycle implementation. The B version does activate
the soft−start upon release of the fast−fault input.
5. Minimum current occurs at TJ = 0°C.
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