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LNK517P Dataheets PDF



Part Number LNK517P
Manufacturers GOSTON
Logo GOSTON
Description Non-Isolated BUCK Constant current control power switch
Datasheet LNK517P DatasheetLNK517P Datasheet (PDF)

LNK517P BUCK v1.6 LNK517P  730V  85Vac~265Vac ;  ±3%;  90%@220Vac ;  ;  ;  BUCK ;  ;  ,BOM ;  :SOP8;  T8、T5  LED  LED LNK517P PWM-LED 。 ±3%, DRAIN , 。 LNK517P BUCK LED 。, 。,, LED 。 1 FB GND 8 2 VDD GND 7 LNK517P 3 NC CS 6 4 DRAIN CS 5 SOP8 85Vac~265Vac 180Vac~265Vac 20V-50V 80V-150V 150mA 120mA AC EMI 1 FB 2 VDD 3 NC 4 DRAIN GND 8 GND 7 CS 6 CS 5 LNK517P Vout+ Vout- -1- LNK517P BUCK v1.6 1 2 3 4 5、6 7、8 FB VDD NC DRAIN CS GND .

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LNK517P BUCK v1.6 LNK517P  730V  85Vac~265Vac ;  ±3%;  90%@220Vac ;  ;  ;  BUCK ;  ;  ,BOM ;  :SOP8;  T8、T5  LED  LED LNK517P PWM-LED 。 ±3%, DRAIN , 。 LNK517P BUCK LED 。, 。,, LED 。 1 FB GND 8 2 VDD GND 7 LNK517P 3 NC CS 6 4 DRAIN CS 5 SOP8 85Vac~265Vac 180Vac~265Vac 20V-50V 80V-150V 150mA 120mA AC EMI 1 FB 2 VDD 3 NC 4 DRAIN GND 8 GND 7 CS 6 CS 5 LNK517P Vout+ Vout- -1- LNK517P BUCK v1.6 1 2 3 4 5、6 7、8 FB VDD NC DRAIN CS GND MOS LED -2- LNK517P BUCK v1.6 (TA= 25℃) DRAIN VCS CS VDD VFB FB TJ Tstg VESD ESD -0.3~730 -0.3~8 -0.3~8 -0.3~8 -40 ~ 125 -55 ~ 150 2000 (, TA=25℃,VDD=5.8V) IDD_OPER DRAIN-DC IIN_MAX VDD VTH_CS TLEB TOFFmin VFBH VFBL BVDS Ron DRAIN VDD DRAIN=20V DRAIN=20V 20 1 730 V V V V ℃ ℃ V 0.25 6 600 400 5 4 0.2 1.0 730 17 mA V mA V mV nS uS V V V ohms -3- LNK517P BUCK v1.6 LNK517P PWM-LED ,,。, 。 LNK517P(LEB),。LEB , CS ,CS 。 CS : 0.6V R =2∗I  DRAIN JFET VDD ,, VDD 。  CS , FB , ,。 -4- LNK517P BUCK v1.6  LNK517P(3-7W)150mA F1 AC RV1 DB1 C1 EMI L2 R5 E3 E1 1 FB 2 VDD GND 8 GND 7 3 NC 4 DRAIN CS 6 CS 5 U1 LNK517P R3 C2 R1 R2 L1 D1 Vout+ E2 R4 Vout- BOM DB1 D1 E1 E2 E3 C1 C2 R1 R2 MB6S ES1J 4.7uF/400V 10uF/63V 4.7uF/400V 10uF/16V 30pF/16V 22K/0805 300K /1206 R3 R4 R5 F1 L1 L2 RV1 U1 2R/1206 39K/0805 6.8K/0805 10R 1W /1A 250V EE10 2mH 2.2mH/1W 7D471 LNK517P N1 4 8 25 1 4 N1(2→4) Φ0.17*1*300T : 1. EE10(4+4) PC40 2. Lp(2→4)=2.0mH 3.1、3、5、6、7 -5- SOP8 LNK517P BUCK v1.6 -6- .


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