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Part Name
Description
L497D1 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
L497D1
HALL EFFECT PICKUP IGNITION CONTROLLER
STMicroelectronics
L497D1 Datasheet PDF : 11 Pages
1
2
3
4
5
6
7
8
9
10
ELECTRICAL CHARACTERISTICS
(continued)
Symbol
V
6SAT
I
6 leak
V
Z7
V
12
Parameter
RPM Output Saturation Voltage
RPM Output Leakage Current
Auxiliary Zener Voltage
Reference Voltage
Test Conditions
I
6
= 18.5 mA
I
6
= 25 mA
V
S
= 20 V
I
7
= 20 mA
N otes :
1.
td/t desaturation
ratio is
given by:
td
T
=
1
+
1
I
11C
⁄
I
11D
2.
I
sense
= I
coil
when the external Darlington is in the active region.
APPLICATION INFORMATION
Figure 1 :
Main Waveforms.
L497
Min. Typ. Max. Unit
0.5
V
0.8
V
50
µ
A
19
27
V
1.20 1.25 1.30
V
5/11
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