| 전자부품 데이터시트 검색엔진 |
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EC9219 데이터시트(PDF) 5 Page - E-CMOS Corporation |
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EC9219 데이터시트(HTML) 5 Page - E-CMOS Corporation |
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5 / 14 page ![]() TFT- LCD DC-DC Converters with Operational Amplifiers EC9219 P 5 / 14 2009/09/29 Typical Application Circuit D1 BAT54S 1 3 2 C15 47nF VIN R4 NC R10 0 FB VCOM C6 0.22uF FSLC C3 0.22uF J1 VGFF= -6V/20mA 1 VDD D3 BAT54S 1 3 2 VIN C2 0.1uF J5 CON1 1 C13 C12 Q2 2N3904 3 1 J2 VGON= +18V/20mA 1 C18 6.8nF R8 13K_1% C5 0.1uF U1 EC9219 1 2 3 4 5 6 7 14 13 12 11 10 9 8 OPOUT IN+ OPGND COMP FB /SHDN GND IN- OPVSUP OPVCC SS FREQ IN LX C4 0.1uF /SHDN D5 FM220 1 2 C7 C16 10pF C1 0.1uF J6 CON1 1 COMP R3 87.6K_1% Q1 2N3906 3 1 R11 1 3 R2 270 R7 NC R13 12K_1% VDD SS VDD C8 VDD=9.6V ±0.2V C10 J3 CON1 1 R12 13K_1% J7 CON1 1 D2 6.8V LX C14 0.1UF C17 0.1uF C9 L1 10UH R1 1K C11 J4 CON1 1 R9 20K R6 0 D4 18.8V R5 10.5K_1% LX VIN VIN Figure 2 |
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