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参数资料
| 型号： | L9474 |
| 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： | 4/9页 |
| 文件大小： | 516K |
| 代理商： | L9474 |
L9474
4/8
Figure 5. Setpoint Voltage vs. L terminal signal
Table 6. Diagnostic (Tj -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
VOV
Overvoltage4
16.5
22
V
VLSAT
L Saturation Voltage
IL = 50 mA
1.35
V
TDELAY
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 VGO < setpoint
Yes
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