SM7523B QOBSIWV1.9 SM7523B : BUCK-BOOST 730V 85Vac~265Vac ±5% 1~3W 、431 (LEB) / FB :SOP8 SM7523B AC/DC ,, ±5%,,,TL431 ,。 ,FB ,/ ,。 1 2 3 4 CS FB NC VCC DRAIN DRAIN GND GND 8 7 6 5 SOP8 SM7523B 85Vac~265Vac 1~3W 180Vac~265Vac 3~5W DRAIN LED AC Vout+ 8 7 6 GND NC DRAIN SM7523B VCC CS FB GND .
, ,±5%。SM7523B ,, TL431 。,FB ,/ ,。 SM7523B ,,, ,。 SM7523B ,(DCM)。 ,。: Io 2 / 7 N I P :Io ;N ; (1) SM7523B ,( 65K) 。 ,: 1 2 Po = × L P × FSW × IP 2 (3) LP ,IP 。 3 , 。,, : FSW 4 7 TDEMAG (4) TDEMAG , ,LP FSW 。 。SM7523B ±10%。 LEB SM7523B CS , ,。 CS 。 ,, , RC ,。 SM7523B , : , , FB ,。 : [email protected] : www.chinaasic.com : Tel: 0755-26991392 Fax: 0755-26991336 : 015 -3- SM7523B QOBSIWV1.9 PCB layout IC 5、6 ,,。 DRAIN ,,。 FB ,,≥1mm 。 : [email protected] : www.chinaasic.com : Tel: 0755-26991392 Fax: 0755-26991336 : 015 -4- SM7523B .
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | SM7523 |
DAYBETTER |
Constant primary control power switch | |
2 | SM7525 |
Sunmoon |
Primary Side Feedback Controlling Switch | |
3 | SM75 |
MIC GROUP RECTIFIERS |
SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR | |
4 | SM750 |
Silicon Motion |
Lynx Express 2D Multimedia Mobile Display Controller | |
5 | SM7501NSFH |
Sinopower |
N-Channel MOSFET | |
6 | SM7503NSG6 |
Sinopower |
N-Channel MOSFET | |
7 | SM7505 |
Linkage |
Constant voltage / constant current source side control power switch | |
8 | SM75056EL |
Bourns |
T1/E1 Transformer | |
9 | SM75056PEL |
Bourns |
T1/E1 Transformer | |
10 | SM7506NF |
Sinopower |
N-Channel MOSFET | |
11 | SM7506NFP |
Sinopower |
N-Channel MOSFET | |
12 | SM7506NSW |
Sinopower |
N-Channel MOSFET |