NCV4279A Ver la hoja de datos (PDF) - ON Semiconductor
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NCV4279A
ON Semiconductor
NCV4279A Datasheet PDF : 15 Pages
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NCV4279A
ELECTRICAL CHARACTERISTICS (−40°C ≤ TJ ≤ 150°C, VI = 13.5 V unless otherwise specified)
Characteristic
Symbol
Test Conditions
Min
Typ
Max Unit
REGULATOR
Output Voltage
Current Limit
Current Consumption; Iq = II – IQ
Current Consumption; Iq = II – IQ
Current Consumption; Iq = II – IQ
Current Consumption; Iq = II – IQ
Dropout Voltage
Load Regulation
Line Regulation
RESET GENERATOR
VQ
IQ
Iq
Iq
Iq
Iq
Vdr
DVQ
DVQ
1 mA v IQ v 100 mA; 6 V v VI v 16 V 4.90
−
150
IQ = 1 mA, RO, SO High
−
IQ = 1 mA, RO High, SO Low (Note 5)
−
IQ = 10 mA, RO, SO High
−
IQ = 50 mA, RO, SO High
−
IQ = 100 mA (Note 6)
−
IQ = 5 mA to 100 mA
−
VI = 6 V to 26 V; IQ = 1 mA
−
5.00
200
190
560
250
2.0
0.25
10
10
5.10 V
500 mA
250 mA
650 mA
450 mA
3.0 mA
0.5
V
20 mV
30 mV
Reset Switching Threshold
Reset Adjust Switching Threshold
Reset Output Saturation Voltage
Upper Delay Switching Threshold
Lower Delay Switching Threshold
Saturation Voltage on Delay Capacitor
Charge Current
Delay Time L ³ H
Delay Time H ³ L
INPUT VOLTAGE SENSE
VRT
VRADJ,TH
VRO,SAT
VUD
VLD
VD,SAT
ID,C
td
tRR
−
VQ > 3.5 V
VQ < VRT, RRO = 20 kW
−
−
VQ < VRT
VD = 1 V
CD = 100 nF
CD = 100 nF
4.50 4.65 4.80 V
1.26 1.35 1.44 V
−
0.1
0.4
V
1.4
1.8
2.2
V
0.3
0.45 0.60 V
−
−
0.1
V
3.0
6.5
9.5 mA
17
28
−
ms
−
3.15
−
ms
Sense Threshold High
VSI,High
−
1.24 1.31 1.38 V
Sense Threshold Low
VSI,Low
−
1.16 1.20 1.28 V
Sense Output Saturation Voltage
VSO,Low
VSI < 1.20 V; VQ > 3 V; RSO = 20 kW
−
0.1
0.4
V
Sense Input Current
ISI
−
−1.0
0.1
1.0
mA
5. Including 20 kW external SO pull−up resistor current.
6. Dropout voltage = VI − VQ measured when the output voltage has dropped 100 mV from the nominal value obtained at 13.5 V input.
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