U642B-FP Просмотр технического описания (PDF) - Atmel Corporation
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U642B-FP Datasheet PDF : 7 Pages
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U642B
Electrical Characteristics (continued)
VBatt = 12 V, Tamb = 25°C, reference point is Pin 8 (see figure 3) unless otherwise specified.
Parameters
Test Conditions / Pins Symbol Min. Typ. Max. Unit
WASH Input, R5 = 10 kW
Pin 5
Switching threshold/Hysteresis
V5
–1.4/–5.4
V
Protection diode
I5 = –10 mA
I5 = 10 mA
V
–0.8
V
7.6
Switching Characteristics, R4 = 47 kW to 300 kW, I4 = –150 mA
Interval time
R3 = 0 kW
R3 = 10 kW
t2
3.6
4
4.4
s
10.8
12
13.2
Prewash delay
tdel
100
ms
After-wipe-time
R4 = 130 kW Pin 5
t5
4.75 5.25 5.75
s
12
Rint = 0
10
Rint = 5 kW
8
6
Rint = 10 kW
4
2
14005
0
–40 –20
0 20 40 60
Temperature ( °C )
80 100
Figure 4. Interval pause = f ( T); Ct = 22 mF
12
Rtime = 51 kW
10
8
VBatt = 8 V
6
4
2
Rtime = 130 kW
Rtime = 300 kW
14006
0
–40 –20
0 20 40 60
Temperature ( °C )
80 100
Figure 5. Afterwiping time = f ( T); Ct = 22 mF
16
14
12
10
8
6
4
2
0
0 2 4 6 8 10 12 14 16 18 20
14009
Interval resistor ( kW )
Figure 6. Interval pause = f ( RINT); Ct = 22 mF
12
Rtime = 51 kW
10
8
VBatt = 16 V
6
4
2
Rtime = 130 kW
Rtime = 300 kW
14007
0
–40 –20
0 20 40 60
Temperature ( °C )
80 100
Figure 7. Afterwiping time = f ( T); Ct = 22 mF
Rev. A4, 10-Apr-01
5 (7)
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