U842B
Parameters
Test Conditions / Pin
Symbol
Min
Typ
Max
Unit
PAUS input
Pin 4
Protective diode
V
21
25
V
4
Internal capacitance
Relay output
C
4
pF
Pin 8
Saturation voltage 100 mA
Saturation voltage 200 mA
Relay coil resistance
Output current
V
V
1.0
1.2
V
V
8
8
R
Rel
60
I
300
1.5
mA
A
8
8
Normal operation
Output pulse current
Load-dump
I
Internal Z-diode
V
8
28
V
Short circuit threshold
Oscillator input
Oscillator capacitor
Oscillator resistor
Basic frequency
I
500
mA
8
Pin 5
Pin 5
C
R
100
220
nF
k
2
Pins 5 and 6
8
f
320
Hz
0
Lower switching point
Upper switching point
Internal discharge resistance
Protective diode
V
V
0.07 V
5
5
5
6
External 1 k pot.
0.2 V
0.5 V
6
6
R
2
k
V = forward voltage
F
V
5
V + V
S
V
F
Times
External circuitry – see oscillator input (figure 3)
Debouncing times:
INT input
t
t
50
125
ms
4
WASH input
Pre-wash delay
Reverse delay
Park
260
50
14
5
540
125
37
ms
ms
ms
ms
1
t
1,R
t
8
t
7
Short circuit
12
Switch-on delay (interval mode)
Relay activation time
Interval pause
t
18
31
ms
ms
s
4D
t
5
t
6
400
2.25
625
13.75
Dry wiping
Without park switch feedback
With park switch feedback
t
2
2.1
3.5
s
3
wipes
10 (12)
TELEFUNKEN Semiconductors
Rev. A2, 03-Feb-97
TEMIC [ TEMIC SEMICONDUCTORS ]
