U2640B Datasheet, PDF (4/10 Pages) ATMEL Corporation – Intemittent- and Wipe/ Wash Control for Wiper Systems

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