U642B-FP ATMEL Corporation, U642B-FP Datasheet - Page 5

• Manufacturer Part Number: U642B-FP
• Description: Interval- and Wipe/ Wash Wiper Control IC
• Manufacturer: ATMEL Corporation

Electrical Characteristics (continued)
V
Rev. A4, 10-Apr-01
WASH Input, R
Switching threshold/Hysteresis
Protection diode
Switching Characteristics, R
Interval time
Prewash delay
After-wipe-time
Batt
14005
14006
= 12 V, T
Figure 5. Afterwiping time = f ( T); Ct = 22 mF
12
10
12
10
Figure 4. Interval pause = f ( T); Ct = 22 mF
8
6
4
2
0
8
6
4
2
0
–40
–40
Parameters
V
amb
–20
–20
Batt
5
= 25 C, reference point is Pin 8 (see figure 3) unless otherwise specified.
= 10 kW
= 8 V
0
0
Temperature ( C )
Temperature ( C )
20
20
4
40
40
= 47 kW to 300 kW, I
R
R
R
R
time
time
R
R
time
int
60
60
int
int
I
I
R
R
R
= 10 kW
= 130 kW
= 300 kW
= 5 kW
= 51 kW
5
5
= 0
3
3
4
Test Conditions / Pins
= –10 mA
= 10 mA
= 0 kW
= 10 kW
= 130 kW
80
80
100
100
Pin 5
4
= –150 mA
Pin 5
14009
14007
Symbol
Figure 6. Interval pause = f ( R
Figure 7. Afterwiping time = f ( T); Ct = 22 mF
16
14
12
10
12
10
t
8
6
4
2
0
8
6
4
2
0
V
V
t
del
t
–40
2
5
0
5
2
–20
V
Min.
Batt
10.8
4.75
4
3.6
= 16 V
0
6
Interval resistor ( kW )
Temperature ( C )
8
–1.4/–5.4
20
Typ.
–0.8
5.25
10 12 14 16 18 20
100
7.6
12
4
40
R
R
INT
R
time
time
time
60
); Ct = 22 mF
U642B
Max.
= 300 kW
= 130 kW
13.2
5.75
= 51 kW
4.4
80
100
Unit
ms
V
V
s
s
5 (7)