NCP1396A Ver la hoja de datos (PDF) - ON Semiconductor
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NCP1396A Datasheet PDF : 25 Pages
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NCP1396A, NCP1396B
ELECTRICAL CHARACTERISTICS
(For typical values TJ = 25C, for min/max values TJ = --40C to +125C, Max TJ = 150C, VCC = 12 V, unless otherwise noted.)
TIMERS
Characteristic
Pin
Symbol
Min
Typ Max Unit
Timer charge current
3
Itimer
--
160
--
mA
Timer duration with a 1 mF capacitor and a 1 MΩ resistor
3
T--timer
--
25
--
ms
Timer recurrence in permanent fault, same values as above
3
T--timerR
--
1.4
--
s
Voltage at which pin 3 stops output pulses
3
VtimerON
3.5
4
4.4
V
Voltage at which pin 3 re--starts output pulses
3
VtimerOFF 0.9
1
1.1
V
Soft--start ending voltage
1
Soft--start charge current
0C < TJ < +125C 1
--40C < TJ < +125C
Soft--start duration with a 100 nF capacitor (Note 3)
1
VSS
ISS
T--SS
--
2
--
V
80
110
125
mA
75
110 130
--
1.8
--
ms
PROTECTION
Characteristic
Pin
Symbol
Min
Typ Max Unit
Reference voltage for fast input (Note 4)
8--9 VrefFaultF 1.00 1.05 1.10
V
Hysteresis for fast input (Note 4)
Reference voltage for slow input
Hysteresis for slow input
8--9 HysteFaultF
--
80
--
mV
0C < TJ < +125C 8--9
VrefFaultS
0.95
1.00 1.05
V
--40C < TJ < +125C
0.92 1.00 1.05
8--9 HysteFaultS
--
60
--
mV
Propagation delay for fast fault input drive shutdown
Brown--Out input bias current
8
TpFault
--
55
90
ns
5
IBObias
--
0.02
--
mA
Brown--Out level (Note 4)
Hysteresis current, Vpin5 > VBO – A version
Hysteresis current, Vpin5 > VBO – B version
Latching voltage
5
0C < TJ < +125C 5
--40C < TJ < +125C
0C < TJ < +125C 5
--40C < TJ < +125C
5
VBO
IBO_A
IBO_B
Vlatch
0.99 1.04 1.09
V
21.5 26.5 31.5
mA
19
26.5
33
86
106 126
mA
80
106 132
3.6
4
4.4
V
Temperature shutdown
--
TSD
140
--
--
C
Hysteresis
--
TSDhyste
--
30
--
C
3. The A version does not activate soft--start (unless the feedback pin voltage is below 0.6 V) 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 for any feedback conditions.
4. Guaranteed by design
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