| 전자부품 데이터시트 검색엔진 |
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PM9904BPD 데이터시트(PDF) 12 Page - Sames |
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PM9904BPD 데이터시트(HTML) 12 Page - Sames |
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12 / 22 page ![]() sames sames 12/22 http://www.sames.co.za PM9904BPD SCHEMATIC R1 2.7k R2 2.7k R3 2.7k R4 2.7k R5 2.7k R6 2.7k R7 47k R8 1M R9 1M R10 1M R12 24k R11 24k R13 24k C1 220n C2 220n V1In V2 In V3 In C3 1u C4 1u C5 1u VSS R14 82k R18 82k R22 82k R15 120k R19 120k R23 120k R16 82k R20 82k R24 82k C6 1u R26 2.7R CT1 TZ76 CT2 TZ76 CT3 TZ76 R27 2.7R R28 2.7R VDD GND GND GND GND GND V3 Out V2 Out V1 Out VDD VSS IIP1 18 IIN1 19 IIP2 1 IIN2 2 IIP3 4 IIN3 5 VREF 15 VSS 14 IVP1 17 IVP2 20 IVP3 3 GND 16 VDD 6 DO 9 DI 12 SCK 8 CS 13 OSC1 10 F50 7 OSC2 11 U1 SA9904B X1 3.5795MHz DO DI CS SCK F50 R17 120k F50 R21 120k SCK R25 120k CS MISO MOSI J1 JUMPS2 J2 JUMPS2 J3 JUMPS2 1 2 3 4 5 6 7 8 JP1 SPI Port VDD VSS F50 SCK MISO CS MOSI J7 N Node N GND PH1 PH2 PH3 CE C1 B1 A1 A2 B2 C2 C3 C4 B3 B4 A3 A4 Figure 14 : Schematic diagram of metering section Figure 15: Schematic diagram of power supply 1 2 3 4 SK1 MAINS PH1 PH3 PH2 VSS + C8 10u + C9 10u U3 TL431 U4 TL431 + C10 470/25V + C11 470/25v D1 1N4007 C12 470/250VAC R29 47 + C15 470 R32 470/1W R33 470/1W VN Z1 S10/275 N D2 1N4007 D3 1N4007 C13 R30 47 Z2 S10/275 N D4 1N4007 D5 1N4007 C14 R31 47 Z3 S10/275 N D6 1N4007 N VP VDD PH1 PH2 PH3 N J6 GND LL1 LL2 LL3 J4 VDD J5 VSS VD VS D7 47V 470/250VAC 470/250VAC |
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