NCV8772 Просмотр технического описания (PDF) - ON Semiconductor
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NCV8772 Datasheet PDF : 18 Pages
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NCV8772
ELECTRICAL CHARACTERISTICS Vin = 13.2 V, VEN = 3 V, Cin = 0.1 mF, Cout = 1 mF, for typical values TJ = 25°C, for min/max
values TJ = −40°C to 150°C; unless otherwise noted. (Notes 9 and 10)
Parameter
Test Conditions
Symbol Min
Typ
Max
Unit
ENABLE THRESHOLDS
Enable Input Threshold Voltage
Logic Low
Logic High
Vth(EN)
−
V
−
0.8
2.5
−
−
Enable Input Current
Logic High
Logic Low
VEN = 5 V
VEN = 0 V, TJ < 85°C
DT (RESET DELAY TIME SELECT) − D2PAK−7 ONLY
mA
IEN_ON
−
3
5
IEN_OFF
−
0.5
1
DT Threshold Voltage
Logic Low
Logic High
Vth(DT)
−
V
−
0.8
2.0
−
−
DT Input Current
RESET OUTPUT RO
VDT = 5 V
IDT
−
−
1.0
mA
Input Voltage Reset Threshold
Vin decreasing, Vout > VRT
3.3 V
Vin_RT
V
−
3.8
4.2
Output Voltage Reset Threshold
(Note 13)
(NCV8772y) where y = 1,2,3,...
(NCV8772y) where y = A,B,C,...
Vout decreasing
3.3 V Vin > 4.5 V
5.0 V Vin > 5.5 V
3.3 V Vin > 4.5 V
5.0 V Vin > 5.5 V
Reset Hysteresis
Maximum Reset Sink Current
3.3 V Vout = 3 V, VRO = 0.25 V
5.0 V Vout = 4.5 V, VRO = 0.25 V
Reset Output Low Voltage
Reset Output High Voltage
Vout > 1 V, IRO < 200 mA
5.0 V
Reset High Level Leakage Current
3.3 V
VRT
VRH
IROmax
VROL
VROH
IROLK
90
90
87
87
−
1.3
1.75
−
4.5
−
93
93
90
90
2.0
−
−
0.15
−
−
96
96
93
93
−
−
−
0.25
−
1.0
%Vout
%Vout
mA
V
V
mA
Integrated Reset Pull−up Resistor
5.0 V
RRO
kW
15
30
50
Reset Delay Time (DPAK−5, D2PAK−5) Min Available Time
(Note 13)
Max Available Time
tRD
6.4
8.0
9.6
ms
102.4 128 153.6
(20%)
(20%)
Reset Delay Time (D2PAK−7)
(Note 13)
Min Available Time, DT connected to GND
Max Available Time, DT connected to Vout
tRD
3.2
4.0
4.8
ms
102.4 128 153.6
(20%)
(20%)
Reset Reaction Time (see Figure 33)
THERMAL SHUTDOWN
tRR
16
25
38
ms
Thermal Shutdown Temperature
(Note 12)
TSD
150
175
195
°C
Thermal Shutdown Hysteresis
(Note 12)
TSH
−
25
−
°C
9. Refer to ABSOLUTE MAXIMUM RATINGS and APPLICATION INFORMATION for Safe Operating Area.
10. Performance guaranteed over the indicated operating temperature range by design and/or characterization tested at TA [ TJ. Low duty
cycle pulse techniques are used during testing to maintain the junction temperature as close to ambient as possible.
11. Measured when output voltage falls 100 mV below the regulated voltage at Vin = 13.2 V.
12. Values based on design and/or characterization.
13. See APPLICATION INFORMATION section for Reset Thresholds and Reset Delay Time Options
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