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U479B Datasheet(PDF) 4 Page - ATMEL Corporation

Part # U479B
Description  Automotive Lamp-outage Monitor IC
PDF  8 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

U479B Datasheet(HTML) 4 Page - ATMEL Corporation

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4
U479B
4775A–AUTO–11/03
Figure 3. Delay Times
Electrical Characteristics
VS = 9 to 15 V, Tamb = -40 to +95°C, Figure 1 on page 1, unless otherwise specified.
Parameters
Test Conditions
Pin
Symbol
Min.
Typ.
Max.
Unit
Supply voltage
2, 7
V
S
915
V
Internal Z-diode Z
2
2V
Z
20
V
Current consumption
V
S = 12 V
1
I
1
4.5
6
mA
Output saturation voltage
V
S = 9 V, I3,5 = 10 mA
T
amb = 25 °C
3, 5
V
sat
0.5
V
Control signal threshold
Reference point V
Pin 7
I
3,5 = 3 mA
V
S = 12 V
V
S = 15 V
4, 6
-V
T
-V
T
6.5
7.8
8
9.3
9.5
10.8
mV
mV
Voltage drift
DV0.45
mV/V
Threshold voltage
Switch identification
8
V
8
0.6 V
S
V
Input currents
Input 1/input 2
4, 6
I
I
100
nA
Input switch
8
I
I
5µA
Delay time
Switch-on, high to low
3, 5
t
d(on)
6µs
Switch-off, low to high
t
d(off)
30
µs
DV
V
T(15 V)
V
T(12 V)
–
15 V
12 V
–
---------------------------------------------
=
12.00
11.95
12
V
0
t
d(on)
10
20
30
40
50
60 µs
0
t
V
V
6
t
d(off)
V
4,6



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