Zetex1350 Zetex1360 CPTC6903 SN3350 SB42511 PT4105 3.00~ 4.40 5.00 ~ 6.00 1.50~ 1.60 1.50 ~ 1.60 1.30~ 1.50 1.50 PT4115 2.00~ 2.50 08/7 2025-8 PT4115 2025-3 21 22 11 LED LED PT4107 23 • PT4107 18V PT4107 SW1:5K 30 LED LED 110V/220V PWM 80 LED PT4107 24 12 AC/DC 110V/220V LED LED • • • • • • LED LED 85-88 LED LED LED LED LED LED / EMI 25 26 13 EMC PFC 80V300mA ! PT4107 Iout PWM 22 15 27 • NTC • EMC • • PFC • • • • PT4107 • MOSFET • • 28 14 300V 18V 29 (PFC C1 D1 D3 R C1 C2 VAC/2 C1 C2 75 105 330 C2 0.6 0.89 R 30 C2 D2 (VAC/2 D1 D2 150 255 P43 285 D3 210 R C1 30 15
