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U4791B Datasheet, PDF (3/5 Pages) TEMIC Semiconductors – Automotive Lamp Outage Monitor, VT = 53 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
Reference point Pin 7 (V7)
I3,5 = 1 mA
Pin 4,6
VS = 12 V
–VT
51.5
Voltage drift
+ ** DV
VT(15V) VT(12V)
15 V 12V
VS = 15 V
Pin 4,6
DV
57
Threshold voltage
Input currents
Switch identification Pin 8
V8
Pin 4,6
II
Delay time
Switch-on
High to low
Switch-off
Low to high
Pin 8
Pin 3,5
td(on)
td(off)
U4791B
Typ
Max
Unit
15
V
V
4.5
6
mA
0.5
V
V
53.5
55.5
mV
59
61
1.8
mV/V
0.6 VS
V
100
nA
5
mA
6
ms
30
ms
V4,6
12.00
11.90
V
V0
12
6
V
0
95 10614
td(off)
td(on)
10
20
30
40
50 60 ms
t
Figure 2.
TELEFUNKEN Semiconductors
Rev. A2, 17-Dec-96
3 (5)