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參數(shù)資料
| 型號(hào)： | L9474 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | ALL SILICON VOLTAGE REGULATOR |
| 中文描述： | 全硅穩(wěn)壓器 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 439K |
| 代理商： | L9474 |
3/8
L9474
Table 5. Electrical Characteristcs
(T
j
-35°C to +150°C unless otherwise specified)
Notes:
1. 16 Volts is the maximum operating voltage.
2. Stand-by current measured with L, FM open; F connected to gnd; P open or tied to gnd.
3. When the voltage sensed at VGO terminal is above VOV the Minimum Field Duty-Cycle will be 0 %.
Figure 4. Reverse B+ Test Circuit
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
V
OS
Operating Supply Voltage
8
16
1
V
I
SB
Stand-by Current
2
V
GO
= 12.6V, T
case
-35 to +80
°
C
400
μA
V
GO
= 12.6 V, 80 <T
case
< +150
°
C
1
mA
V
SF
Regulator Set-Point in Fault
PWM signal loss
13.8
V
V
NB
Generator output, no battery
No battery, I
OUT
=2A to 50% max
load
V
S
-2
V
S
+2
V
T
C
Thermal compensation
Driven by ECM
RVC or FLAT
V
V
LR
Load Regulation
6500 grpm, 10% to 95% load
300
mV
V
SR
Speed Regulation
15A load, 2,000 to 10,000 grpm
100
mV
V
FON
Output Saturation Voltage
I
F
= 9A, T
case
< = 25°C
750
mV
V
FON
Output Saturation Voltage
I
F
= 6A, T
case
> 25°C
850
mV
I
FLIM
Field limit current
F shorted to gnd, T
case
< = 25°C
9
A
F shorted to gnd, T
case
= 150 °C
6
A
V
F
Field Discharge Rectifier
I
F
=6A, T
case
= 25
°
C
1.85
V
I
R
Diode Reverse Current
V
R
= 16 V
1
mA
f
OSC
Oscillation frequency
During LRC operation
340
400
460
Hz
MFDC
Minimum Field Duty-Cycle
V(V
GO
) < V
OV 3
6.25
%
R
FM
Impedance @ F
M
pin
Impedance between FM and F+
0.8
2.5
K
1.8
FIELD
C
82nF
ASVR
F
M
F
L
P
FILTER
V
GO
G
D02AT510
POWER SUPPLY
6V
+
-
POWER SUPPLY
2.5V
-
+
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