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U4793B Datasheet, PDF (3/5 Pages) TEMIC Semiconductors – Overload Monitoring with Resistive Load, VT = 44.5 mV
Electrical Characteristics
VS = 9 to 15 V, Tamb = –40 to +95 °C, figure 1, unless otherwise specified
Parameters
Test Conditions / Pin
Symbol Min
Supply voltage
Pin 2,7 VS
9
Internal Z-diode Z2
Pin 2
VZ
20
Current consumption
VS = 12 V
Pin 1
I1
measured at Pin 1 (GND)
Output saturation voltage VS = 9 V, I3,5 = 10 mA
Tamb = 25 °C
Pin 3,5 Vsat
Output Z-diodes Z3, Z5
Pin 3,5 VZ
21
Control signal threshold I3,5 = 1 mA, figure 3 Pin 4,6
Tamb = 25°C
–VT
43
Temperature coefficient of
control signal threshold
TC
Threshold voltage
Input currents
Switch identification Pin 8
V8
Pin 4,6
II
Pin 8
Delay time
Switch-on
High to low
Switch-off
Low to high
Pin 3,5
td(on)
td(off)
U4793B
Typ
Max
Unit
15
V
V
4.5
6
mA
0.5
V
V
44.5
46
mV
15
0.6 VS
100
5
mV/K
V
nA
mA
6
ms
30
ms
V4,6
(V)
12.00
11.90
V0
(V)
12
6
0
95 10615
td(off)
td(on)
10
20
30 40
50 60
t (ms)
Figure 2. Timing diagram
48
47
46
Tamb = 95 °C
45
25 °C
44
–40 °C
43
42
41
40
6 7 8 9 10 11 12 13 14 15 16
13308
VBatt (V)
Figure 3. Threshold voltage = f (VBatt and temperature)
TELEFUNKEN Semiconductors
3 (5)
Rev. A2, 06-Mar-97