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TP1550 Datasheet(PDF) 8 Page - Billiton Ltd. |
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TP1550 Datasheet(HTML) 8 Page - Billiton Ltd. |
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8 / 13 page ![]() 南京拓品微电子有限公司 NanJing Top Power ASIC Corp. Rev1.1 元器件清单: 器件名称 规格 器件名称 规格 D1-D4 Diode, Rectifier,1N4007 C1,C2 E-Cap,4.7μF/400V D5 Diode,Fast,FR107,1A/1000V C3 E-Cap,10μF/25V D6 Diode,Fast,FR107,1A/1000V C4 Capacitor,Ceramic,1nF/1KV D7 Diode,Schottky,SR1045,10A/45V C5 Capacitor,Ceramic,0.22uF/25V R1 Resistor,2M,1/4W, ± 5% C6 Capacitor,Ceramic,222pF/100V R2 Resistor,270K,1/4W, ± 5% C7 E-Cap,680μF/10V*2,Low ESR R3 Resistor,47R,1/8W, ± 5% C8 E-Cap,220μF/10V,Low ESR R4 Resistor,2K,1/8W, ± 5% L1 Inductor, Color Ring,1.5mH RcsA Resistor,3R,1/4W, ± 1% IC TP1001,TP1550,光耦 817 RcsB Resistor,2.2R,1/4W, ± 1% Q1 NPN,13003,TO-126 Ro Resistor,0.05R,1/4W, ± 1% T Transformer EE19, LM=1.5mH Np:Ns:NAUX=120T:8T:9T (2)恒压方案:恒压输出 5V 此方案具有成本低,输出纹波小,精度高等优点,原理图如图 9 所示,TP1550 的 RS 端口与 GND 端口短接。 Vo + C1 Q1 Np Ns Vs Ip VAUX NAUX LM TP1001 R1 R2 C4 C3 + + R3 C6 D6 D5 D7 D1 D3 D2 D4 VD OB FB CS GND EMI Filter C7 C5 817 R4 + + TP1550 LED RS GND VO + C8 + L1 C2 RCS B RCS A 图 9 恒压 5V 输出原理图 |
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