VLA217-241218 查看數據表（PDF） - Isahaya Electronics
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VLA217-241218 Datasheet PDF : 8 Pages
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TEST CIRCUIT DIAGRAM
HYBRID IC
VLA217-241218
NON-ISOLATED TYPE DC-DC CONVERTER
*1 R1, R2 (tolerance 1%), R3
Output
voltage
12V
5V
3.3V
Chart 1
value of resistance
R1
R2
R3
47k ohm
2.2k ohm
1.2k ohm
15k ohm
3.3k ohm
1k ohm
6.8k ohm
3.9k ohm
1k ohm
-4
Vo= (R1+R2+3900) ×2.26 ×10
Maximum value of R1+R2 must be 50kohm.
Minimum value of R1+R2 must be 10.7kohm
*2 Please do not connect anything with the test pin( no.3).
3
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