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LC101N Arkusz danych(PDF) 10 Page - Sanken electric |
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LC101N Arkusz danych(HTML) 10 Page - Sanken electric |
10 / 15 page LC101N LC101N-DSE Rev.1.0 SANKEN ELECTRIC CO.,LTD 10 Nov.19, 2015 http://www.sanken-ele.co.jp/en/ © SANKEN ELECTRIC CO.,LTD. 2015 12.2 Pattern Layout 12.2.1 PCB Trace Layout and Component Placement ● Setup resistance, R1, should be as close to the FB pin and the LO pin as possible as shown in Figure 12-1. ● The layout between the FB pin and the LED string should be avoided to parallel with switching trace. Noise is superimposed to the FB pin by induction, the LC101N might be malfunction. LO FB IN 4 1 8 5 LED U1 LC101N R1 R1 should be as close to the FB pin and the LO pin. LED1 Figure 12-1 Important locations of the pattern layout 12.2.2 Pattern Layout Example Figure 12-2 shows the pattern layout example, and Table 12-1 shows this PCB information. Table 12-1 PCB information of pattern layout example Items Information PCB type double-sided Size(Outline) 40 mm × 40 mm Substrate thickness t = 1.6 mm Copper foil thickness 35 μm (A) Top View (B) Bottom View Figure 12-2 Pattern layout example R1 LED LED LED LED IN Lo Lo FB LC101N Power supply (+) *Ground of power supply is LO pin 1pin→ LED |
Podobny numer części - LC101N |
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Podobny opis - LC101N |
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