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參數(shù)資料
| 型號： | L484D1013TR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO16 |
| 封裝： | SOP-16 |
| 文件頁數(shù)： | 6/11頁 |
| 文件大?。?/td> | 454K |
| 代理商： | L484D1013TR |
Obsolete
Product(s)
- Obsolete
Product(s)
PIN FUNCTIONS (continued)
N
°
Name
Function
14
DRIVER COLLECTOR
INPUT
The collector current for the internal driver which drives the external
darlington is supplied through this pin. The external resistor R10 limits the
dissipation in the IC. The value this resistor depends on the darlington used
and on the limiting current in the coil.
15
OVERVOLTAGE
LIMITATION
The external darlington is protected against overvoltage by means of an
internal zener available at this pin. The external divider R5/R6 defines the
limitation value, typically given by :
Vovp
=
30
R5
+ 5 103
R6
+ 30
16
DRIVING STAGE
OUTPUT
Current Driver for the External Darlington. To ensure stability on the current
limitation loop a capacitor C3 (typically 2.2nF, this value depending on the
darlington used) must be connected between this pin and the current
sensing input (pin 1).
ELECTRICAL CHARACTERISTICS (VS = 14.4V ; TJ = - 40 to 125
°C unless otherwise specified ; referred
to the test circuit)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VS
Operating Supply Voltage
6
28
V
VIS
Input Stage Voltage (pin 2 with
10K
resistor)
160
200
240
mV
VTH
On Pick-up Thresh. Voltage at LOW RPM
(pin 2)
VIS–30
VIS+30
mV
VSENS
Current Limitation Sensing Voltage (pin 1)
VS = 6 to 16V
200
320
mV
VZC
Zero Crossing Thresh. Voltage (pin 8)
3
20
60
mV
VH
Hysteresis Voltage (pin 8)
100
200
mV
I7C
I7D
I7D/I7C
CD WELL Charge Current
CD WELL Discharge Current
at LOW RPM
Vpick-up = 0.5V ;
or pin 6 not connected
(*) Note 1
0.7
7
3
30
15
A
I7C
I7D
I7D/I7C
CD WELL Charge Current
CD WELL Discharge Current
at HIGH RPM
Vpick-up = 9V
(**) Note 2
8
13
0.7
33
44
3.2
A
Vpin3
I3
Threshold Voltage
Output Current
Tamb = 25
°C
(***) Note 3
0.85
4
3
V
A
VCp
Continuous Coil Current Protection Inhibit
LOW Voltage (pin 4).
0
0.7
V
VCEsat
Series Darlington Driver
Saturation Voltage (Vpin 14 - 16)
Ipin14 = 150mA
Ipin14 = 50mA
0.4
1
0.6
V
VZ
Zener Volt. Pin 11
Ipin11 = 140mA
6.5
8.8
V
VOVZ
External Darlington Overvoltage Protection
Zener Voltage
Tamb = 25
°C ;
Ipin15 = 5 to 15mA
25
35
V
I09
Pin 9 Output Current in Low Status
V9 = 0V
3
mA
VCH
ICH
Tachometer Signal Output LOW Voltage.
(pin5)
Output Leakage (pin 5)
ON Condition
Isink = 0.5mA
OFF Condition
Vpin5 = 5V
0.7
10
V
A
L484
4/11
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