NCV8508D2T50R4G(2009) 查看數據表（PDF） - ON Semiconductor
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NCV8508D2T50R4G Datasheet PDF : 26 Pages
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NCV8508
ELECTRICAL CHARACTERISTICS (−40°C ≤ TJ ≤ 125°C; 6.0 V ≤ VIN ≤ 28 V, 100 mA ≤ IOUT ≤ 150 mA, C2 = 1.0 mF, RDelay = 60 k;
unless otherwise specified.)
Characteristic
Test Conditions
Min
Typ
Max
Unit
OUTPUT
Output Voltage
Dropout Voltage (VIN − VOUT)
Load Regulation
Line Regulation
Current Limit
Thermal Shutdown
Quiescent Current
RESET
Threshold
Output Low
Output High
Delay Time
WATCHDOG INPUT
Threshold High
Threshold Low
Hysteresis
Input Current
Pulse Width
−
IOUT = 150 mA. Note 4
VIN = 14 V, 100 mA ≤ IOUT ≤ 150 mA
6.0 V ≤ VIN ≤ 28 V, IOUT = 5.0 mA
−
Guaranteed by Design
VIN = 12 V, IOUT = 150 mA, (see Figure 6)
4.85
−
−
−
250
150
−
5.00
5.15
V
450
900
mV
5.0
30
mV
5.0
50
mV
400
−
mA
180
210
°C
100
150
mA
−
4.50
4.65
4.80
V
RLOAD = 10 k to VOUT, VOUT ≥ 1.0 V
RLOAD = 5.1 k to VOUT, VOUT ≥ 1.0 V
−
0.2
0.4
V
0.4
0.8
RLOAD = 10 k to GND
RLOAD = 5.1 k to GND
VOUT − 0.5 VOUT − 0.25
−
V
VOUT − 1.0 VOUT − 0.5
VIN = 14 V, RDelay = 60 k, IOUT = 5.0 mA
2.0
VIN = 14 V, RDelay = 120 k, IOUT = 5.0 mA
−
3.0
4.0
ms
6.0
−
ms
−
−
−
WDI = 6.0 V
50% WDI falling edge to
50% WDI rising edge and
50% WDI rising edge to
50% WDI falling edge, (see Figure 5)
70
−
−
%VOUT
−
−
30
%VOUT
−
100
−
mV
−
0.1
+10
mA
5.0
−
−
ms
WAKEUP OUTPUT (VIN = 14 V, IOUT = 5.0 mA)
Wakeup Period
See Figures 4 and 5, RDELAY = 60 k
See Figures 4 and 5, RDELAY = 120 k
Wakeup Duty Cycle Nominal
See Figure 3
18
25
32
ms
−
50
−
ms
45
50
55
%
RESET HIGH to
Wakeup Rising Delay Time
RDELAY = 60 k
50% RESET rising edge to
50% Wakeup edge, RDELAY = 120 k
(see Figures 3 and 4)
9.0
12.5
16
ms
−
25
−
ms
Wakeup Response to
Watchdog Input
50% WDI falling edge to
50% Wakeup falling edge
−
0.1
5.0
ms
Wakeup Response to RESET
Output Low
Output High
50% RESET falling edge to
50% Wakeup falling edge.
VOUT = 5.0 V→ 4.5 V
RLOAD = 10 k to VOUT, VOUT ≥ 1.0 V
RLOAD = 5.1 k to VOUT, VOUT ≥ 1.0 V
RLOAD = 10 k to GND
RLOAD = 5.1 k to GND
−
0.1
5.0
ms
−
0.2
0.4
V
0.4
0.8
VOUT − 0.5 VOUT − 0.25
−
V
VOUT − 1.0 VOUT − 0.5
DELAY
Output Voltage
IDELAY = 50 mA. Note 5
−
1.25
−
V
4. Measured when the output voltage has dropped 100 mV from the nominal value. (see Figure 12)
5. Current drain on the Delay pin directly affects the Delay Time, Wakeup Period, and the RESET to Wakeup Delay Time.
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