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U2640B Datasheet(PDF) 4 Page - ATMEL Corporation

Part No. U2640B
Description  Intemittent- and Wipe/ Wash Control for Wiper Systems
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Maker  ATMEL [ATMEL Corporation]
Homepage  http://www.atmel.com
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U2640B Datasheet(HTML) 4 Page - ATMEL Corporation

 
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U2640B
Rev. A4, 03-Apr-01
4 (10)
Absolute Maximum Ratings
With recommended external circuitry
Parameter
Test Conditions
Symbol
Value
Unit
Supply voltage (static)
5 min
VBatt
24
V
Supply current pulse
2 ms
IS
1.5
A
Supply current pulse
300 ms
IS
150
mA
Relay output current (static)
IREL
300
mA
Relay output current pulse
300 ms
IREL
1.5
A
Ambient temperature range
Tamb
–40 to +95
°C
Storage temperature range
Tstg
–55 to +125
°C
Power dissipation
DIP8
Ptot
0.45
W
Power dissipation
SO8
Ptot
0.34
W
Thermal Resistance
Parameters
Symbol
Value
Unit
Junction ambient
DIP8
RthJA
120
K/W
Junction ambient
SO8
RthJA
160
K/W
Electrical Characteristics
Reference point Ground GND, Tamb = 25
_C, VBatt = 13.5 V, unless otherwise specified (see figures 11 and 12)
Parameters
Test Conditions / Pin
Symbol
Min
Typ
Max
Unit
Voltage supply
Pin 7
Supply voltage
VBatt
6.0
16.0
V
Supply current
IS
0.5
2.0
3.0
mA
Undervoltage threshold
(POR)
VS
3.0
5.1
V
Internal Z-diode
VZ
13.5
14.0
16.2
V
Internal capacitor
CS
15
pF
Series resistance
RV
510
W
Filter capacitor
CV
47
mF
Oscillator input OSC
Pin 8
Internal discharge resistor
RDIS
1.3
2.0
3.2
k
W
Lower switching-point
voltage
VOSC
0.16
VS 0.20 VS 0.24 VS
V
Upper switching-point
voltage
VOSC
0.55
VS 0.60 VS 0.65 VS
V
Input current
VOSC = 0 V
–IOSC
2
mA
Oscillator frequency
fOSC
1
200
50 k
Hz
Note: All internally generated time sequences are derived from the oscillator frquency. The tolerances refer to a
frequency adjusted to fOSC = 200 Hz.


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