u479b ETC-unknow, u479b Datasheet - Page 3

• Manufacturer Part Number: u479b
• Description: Automotive Lamp-outage Monitor, Vt = 8 Mv
• Manufacturer: ETC-unknow

Rev. A2, 22-Apr-99
Electrical Characteristics
V
Supply voltage
Internal Z-diode Z
Current consumption
Output saturation
voltage
Control signal
threshold
Threshold voltage
Input currents
Delay time
Voltage drift
S
= 9 to 15 V, T
Parameters
amb
2
D
= –40 to +95 C, figure 1, unless otherwise specified
V
12.00
11.95
V
V
+
4,6
0
12
6
I
Switch-on
V
V
V
V
V
measured at GND
T
Reference point V
Switch identification
Switch-off
0
3,5
S
amb
T(15V)
Test Conditions / Pin
15 V
S
High to low
Low to high
= 9 V, I
= 3 mA
= 12 V
= 25 C
*
*
V
V
S
S
V
12V
3,5
= 12 V
= 15 V
T(12V)
10
= 10 mA
Pin 2,7
Pin 2
Pin 1
Pin 3,5
Pin 4,6
Pin 8
Pin 3,5
Pin 4,6
Pin 8
Pin 7
20
Figure 3. Delay times
t
d(off)
Symbol
t
t
–V
–V
V
D
d(off)
d(on)
V
V
V
I
I
sat
V
1
I
S
Z
8
T
T
30
40
Min
6.5
7.8
20
9
50
0.6 V
t
0.45
Typ
100
4.5
9.3
d(on)
30
8
5
6
t
S
60
95 10624
m
s
Max
10.8
0.5
9.5
15
6
U479B
mV/V
Unit
mA
mV
mV
m
nA
m
m
V
V
V
V
A
s
s
3 (5)