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DC1205A 参数 Datasheet PDF下载

DC1205A图片预览
型号: DC1205A
PDF下载: 下载PDF文件 查看货源
内容描述: 500毫安宽输入电压范围降压型LED驱动器,具有10 :1的调光 [500mA Wide Input Voltage Range Step-Down LED Driver with 10:1 Dimming]
分类和应用: 驱动器
文件页数/大小: 24 页 / 297 K
品牌: Linear Systems [ Linear Systems ]
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LT3592  
APPLICATIONS INFORMATION  
D4  
V
V
V
IN  
SW  
IN  
OUT  
LT3592  
SHDN  
GND  
FB  
+
BACKUP  
3592 F08  
D4: MBR0540  
Figure 8. Circuit to Address Reversed Input and Backpowering Issues  
CLOSING SWITCH  
SIMULATES HOT PLUG  
I
IN  
V
LT3592  
GND  
IN  
I
V
IN  
IN  
10A/DIV  
+
+
1μF  
V
IN  
20V/DIV  
LOW  
STRAY  
5μs/DIV  
IMPEDANCE  
ENERGIZED  
32V SUPPLY  
INDUCTANCE  
DUE TO 6 FEET  
(2 METERS) OF  
TWISTED PAIR  
(9a)  
LT3592  
GND  
V
IN  
I
IN  
10A/DIV  
+
+
+
10μF  
50V  
2.2μF  
V
IN  
20V/DIV  
5μs/DIV  
(9b)  
1Ω  
LT3592  
GND  
V
IN  
I
IN  
10A/DIV  
+
+
0.1μF  
2.2μF  
V
IN  
20V/DIV  
5μs/DIV  
(9c)  
3493 F09  
Figure 9. A Well Chosen Input Network Prevents Input Voltage Overshoot and  
Ensures Reliable Operation When the LT3592 is Connected to a Live Supply  
3592fc  
17  
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