參數(shù)資料
型號: L9474
廠商: 意法半導體
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?。?/td> 439K
代理商: L9474
L9474
4/8
Figure 5. Setpoint Voltage vs. L terminal signal
Table 6. Diagnostic
(T
j
-35°C to +150°C unless otherwise specified)
Note:
4. When the Vgo voltage overcomes this value the MFDC is cancelled
Table 7. FAULT
The following table lists the conditions that cause the fault driver to function (L terminal now switching be-tween
0V and VLSAT. To prevent L flicker, specific faults are required to be present for TDELAY seconds be-fore the
fault driver is activated. This delay is indicated in the table.
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
V
OV
Overvoltage
4
16.5
22
V
V
LSAT
L Saturation Voltage
I
L
= 50 mA
1.35
V
T
DELAY
Fault Indication Delay Time
0.935
1.1
1.265
s
Conditions
Delay
1. Key-on (RVC PWM signal acknowledgement)
No
2. Phase Voltage < VP2
AND
V
GO
< setpoint
Yes
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