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U4790B Datasheet, PDF (2/5 Pages) List of Unclassifed Manufacturers – Automotive Lamp-Outage Monitor, VT = 8 mV, VZ(3,5) = 22 V
U4790B
Pin Description
GND 1
VS 2
OUT2 3
IN1 4
8
Input
switch
7 VRef
6 IN2
5 OUT1
95 10634
Figure 2. Pinning
Pin Symbol
Function
1
GND Reference point, ground
2
VS Supply voltage
3
OUT2 Output 2
4
IN1 Input 1
5
OUT1 Output 1
6
IN2 Input 2
7
VRef Reference voltage
8
Input Input switch
Absolute Maximum Ratings
Parameters
Symbol
Value
Unit
Supply voltage
Current consumption
Pin 2, 7
VS
16.5
V
t = 2 ms, measured at Pin 1 (GND)
Pin 1
I1
1.5
A
Output current
Pin 3, 5
I3,5
20
mA
Input voltage
Pin 4, 6
reference point Pin 7
Power dissipation
Tamb = 95 °C
Tamb = 60 °C
Ambient temperature range
Storage temperature range
Junction temperature
DIP 8
DIP 8
–V4,6
6
V
Ptot
420
mW
Ptot
690
mW
Tamb
–40 to +95
°C
Tstg
–55 to +125
°C
Tj
150
°C
Thermal Resistance
Junction ambient
Parameters
DIP8
Symbol
RthJA
Value
110
Unit
K/W
2 (5)
TELEFUNKEN Semiconductors
Rev. A2, 03-Dec-97