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参数资料
| 型号： | L9468N |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, SFM8 |
| 封装： | MULTIWATT-8 |
| 文件页数： | 3/8页 |
| 文件大小： | 175K |
| 代理商： | L9468N |
3/8
L9468
Notes:
1. 20 Volts is the maximum operating voltage because above this level the FAILSAFE feature shuts down the output stage.
2. Thermal slopes are shown in fig. 2
3. This value is present when the voltage sensed at the " S" or "VGO" terminal is between VUV and VOV. When the voltage sensed
at the "S" or "VGO" terminal is above VOV the Minimum Field Duty-Cycle will be 0 %.
Figure 4. Reverse B+ Test Circuit
Table 5. Electrical Characteristcs
(Tcase = -35°C to 150°C unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VOS
Operating Supply Voltage
Tcase = +25 to +150 °C
8
20 1
V
VOS
Operating Supply Voltage
Tcase = - 40 to +25 °C
10
20
V
ISB
Stand-by Current
VGO = 12.6V, Tcase -35 to +80 °C
400
A
ISB
Stand-by Current
VGO = 12.6 V, 80°C <Tcase< +150°C
1
mA
VS
Regulator Set-Point
@ 71°C ± 3°C
14.1
V
VNB
Generator output, no battery
No battery, IOUT =2A to 50% Max
Load
VS-2
VS+2
V
TC
Thermal compensation
Voltage @ VS or VGO
2 in failsoft
V
VLR
Load Regulation
6500 grpm, 10% to 95% load
300
mV
VSR
Speed Regulation
15A load, 2,000 to 10,000 grpm
100
mV
VFON
Output Saturation Voltage
IF = 6A, VGO = 14.7V, Tcase = 25°C
750
mV
VFON
Output Saturation Voltage
IF = 5A, VGO = 13.5V, Tcase = 125°C
850
mV
IFLIM
Field limit current
F terminal shorted to GND @ 25°C
8.3
A
F terminal shorted to GND @ 150°C
5
A
VF
Field Discharge Rectifier
IF = 6A, Tcase = 25°C
1.85
V
IR
Diode Reverse Current
VR = 20V
1
mA
fOSC
Oscillation frequency
During LRC operation
340
400
460
Hz
MFDC
Minimum Field Duty-Cycle
VUV < V(S or VGO) < VOV
3
6.25
%
RFM
Impedance @ FM pin
Impedance between FM and F+
5
15
K
1.8
FIELD
ASVR
FM
S
F
L
I
P
VGO
F
G
INCANDESCENT
LOAD 14
D02AT505
POWER SUPPLY
6V
+-
POWER SUPPLY
2.5V
-+
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