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U4793B Datasheet, PDF (4/6 Pages) TEMIC Semiconductors – Overload Monitoring with Resistive Load, VT = 44.5 mV
Electrical Characteristics (Continued)
VS = 9 V to 15 V, Tamb = -40°C to +125°C, unless otherwise specified (see Figure 1)
No. Parameters
Test Conditions
Pin
Symbol
Min.
Typ.
Max.
Unit
5
Switch Delay (RL = 10 kW connected from Pin 3 or Pin 5 to VBatt)
5.1 Delay time
Tamb = -40°C
td(on)
3
4
6
µs
5.2
Switch-on
5.3
High to low
5.4 Delay time
Tamb = 25°C
Tamb = 125°C
Tamb = -40°C
td(on)
3, 5
td(on)
td(off)
4
6
8
µs
5
7
9
µs
16
24
32
µs
5.5
Switch-off
Tamb = 25°C
5.6
Low to high
Tamb = 125°C
td(off)
td(off)
18
30
50
µs
30
50
70
µs
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Figure 3. Timing Diagram
Type*
C
C
C
C
A
C
V4,6
(V)
12.00
11.90
V0
(V)
12
6
0
t d(off)
t d(on)
10
20
30
40
50
60
t (ms)
Figure 4. Threshold Voltage = f (VBatt and Temperature)
48
47
Tamb = 125°C
46
95°C
45
25°C
44
-40°C
43
42
41
40
6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0
VBatt ( V )
4 U4793B
4557A–AUTO–11/02