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參數(shù)資料
| 型號： | L482D1 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | CAP 10UF 10V +80-20% Y5V SMD-1206 TR-7-PL SN100 |
| 中文描述： | HALL.EFFECT皮卡點(diǎn)火控制器 |
| 文件頁數(shù)： | 4/11頁 |
| 文件大?。?/td> | 169K |
| 代理商： | L482D1 |
(*) These pins referonly tothe DIP package type.
For the SO 16 version the permanent conduction reset output signal is not available and the pin 9 becomes the current sensing input. Pin10
replaces the pin 11 function, pin 11 becomes thepower supply input and pin 12 is used as the signal ground.
ELECTRICAL CHARACTERISTICS
(V
S
= 14 V, – 40
°
C
≤
T
j
≤
125
°
C referred to application circuit of
figure 3 regarding DIP-16 package version)
Symbol
V
S
Parameter
Test Conditions
Min.
6
Typ.
Max.
28
Unit
V
Operating Supply Voltage
I
S
Supply Current
V
12
= 4.5V
25
mA
V
Z
V
I
Zener Voltage (pin 12)
I
Z
= 80mA
6.5
8.8
V
Sensor Input (pin 2)
LOW Voltage
HIGH
2.5
0.5
V
V
I
I
Sensor Input Current (pin 2)
V
I
= LOW
V
S
= 6 to 16V
–12
–1
mA
V
Hz
Hall-cell Supply Zener Voltage
(pin5)
I
Hz
= 10mA
19
22
25
V
I
HZ
Hall-cell Supply Zener Current
(pin5)
t = 10ms
T
AMB
= 25
°
C
I
o
= 70mA
I
o
= 150mA
100
mA
V
CE sat
(V
14
–V
16
)
Series
Voltage
Darlington Driver Sat.
0.4
0.6
1.0
V
V
V
SENS
Current Limit. Sensing Voltage
(pin10)
V
S
= 6 to 16V
200
400
mV
I
3D
I
3C
I
3C
/I
3D
V
OVZ
C2 Discharge Current
C2 Charge Current
V
S
= 6 to 16V
(*) Note 1
0.2
5
6
3.4
20
35
μ
A
μ
A
External Darlington Overvoltage
Protection Zener Voltage
I
OVZ
= 5mA to 15mA
T
AMB
= 25
°
C
25
30
35
V
V
7
Reference Voltage
2.5
3.5
V
t
d
Desaturation Time
f = 40Hz V
S
= 14V
0.6
1.2
1.57
ms
PINFUNCTIONS
(continued)
N
°
13
Name
Function
GROUND
This pin must be connected to ground.
14
DRIVER COLLECTOR
The collector current for the internal driver which drives the external
darlington is supplied through this pin. The external resistor R
10
limits the
dissipation in the IC. The value of the resistor depends is a function of the
darlington used and on the limiting current in the coil.
15
OVERVOLTAGE
LIMITATION
The external is protected against overvoltage by means of an internal
zener available at this pin. The external divider R
5
/R
6
defines the limitation
value, given as first approximation by:
V
ovp
=
30
R
5
+
5
10
3
R
6
+
30
16
DRIVING STAGE
OUTPUT
Current Driver for the External Darlington. To ensure stability and precision
of Tdesat C
3
and R
3
must be used. Recommended value for R3 is 2K
in
order not to change the open loop gain of the system.
R
C
may be added to C
3
to obtain greater flexibility in various application
situations.
C
3
and RC values ranges are 1 to 100nF and 5 to 30K
depending on the
external darlington type.
L482
4/11
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