參數(shù)資料
型號(hào): L9468N
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): 4/8頁
文件大小: 166K
代理商: L9468N
L9468
4/8
Figure 5. Setpoint Voltage vs. T
case
Temperature
Table 6.
Diagnostic
(T
case
-35°C to +150°C unless otherwise specified)
Notes:
4. When Fail Soft operation is detected, regulation sensing will switch from the "S" terminal to the VGO terminal.
5. This condition can happen when the connection between the battery and VGO or the output terminal of the generator is broken.
In this case the delay of 1.1 seconds is not required.
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
V
FSO
Failsafe Output Voltage
Voltage measured at V
GO
20
20.48
21
V
V
FSL
Switch sensing from S to V
GO
"S" Voltage falling into Fail Soft
4
4
4.2
V
V
FSH
Switch sensing from V
GO
to S
"S" Voltage rising out of Fail Soft
7.6
8
V
I
S
Sink current @ "S" pin
V
S
= 14 V
1
1.75
2.5
mA
V
UV
Undervoltage
grpm > 3100 ± 15%
10.95
11.35
11.6
V
V
OV
Overvoltage
V
S
+1
V
S
+1.25
V
S
+1.55
V
V
LSAT
Lamp saturation voltage
I
L
= 0.5A
1.33
1.4
V
V
LSAT
Lamp on Voltage
5
I
L
< 0.5A,VGO=open, T
case
=
25°C
3.8
5
V
T
DELAY
Fault Indication Delay Time
0.935
1.1
1.265
s
0
20
40
60
80
100
120
Tcase(C)
-40
13.0
13.2
13.4
13.6
13.8
14.0
14.2
14.4
14.6
14.8
15.0
15.2
15.4
15.6
15.8
V
S
(V)
-20
D02AT506
15.9
15.45
15.05
14.35
14.1
13.85
14
13.65
13.35
14.8
14.55
15
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