U4790B Datasheet, PDF (3/5 Pages) List of Unclassifed Manufacturers – Automotive Lamp-Outage Monitor, VT = 8 mV, VZ(3,5) = 22 V

Electrical Characteristics
V_S = 9 to 15 V, T_amb = –40 to +95 °C, figure 1, unless otherwise specified
Parameters
Test Conditions / Pin
Symbol Min
Supply voltage
Pin 2,7 V_S
9
Internal Z diode Z₂
Pin 2
V_Z
20
Current consumption
V_S = 12 V
Pin 1
I₁
measured at Pin 1 (GND)
Output saturation voltage V_S = 9 V, I_3,5 = 10 mA
T_amb = 25 °C
Pin 3,5 V_sat
Output Z diodes Z₃, Z₅
Pin 3,5 V_Z
21
Control signal threshold Reference point Pin 7 (V₇)
I_3,5 = 3 mA
Pin 4,6
V_S = 12 V
–V_T
6.5
Voltage drift
V_S = 15 V
+ ^** DV
V_T(15V) V_T(12V)
15 V 12V
Pin 4,6
DV
7.8
Threshold voltage
Input currents
Switch identification Pin 8
V₈
Pin 4,6
I_I
Delay time
Switch-on
High to low
Switch-off
Low to high
Pin 8
Pin 3,5
t_d(on)
t_d(off)
U4790B
Typ
Max
Unit
15
V
V
4.5
6
mA
0.5
V
V
8
9.5
mV
9.3
10.8
0.45
mV/V
0.6 V_S
V
100
nA
5
mA
6
ms
30
ms
V_4,6
12.00
11.95
V
V₀
12
6
V
0
95 10624
t_d(off)
t_d(on)
10
20
30
40
50 60 ms
t
Figure 3.
TELEFUNKEN Semiconductors
Rev. A2, 03-Dec-97
3 (5)