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DU8671 QR LED ¾ 500VMOSFET ¾ TRUEC2 ¾ TRUEQR ¾ 3% ¾ 、 ¾ ¾ ¾ ¾ SOP8 LED T5/T8/T10… LED E14/E27/PAR30/PAR38… LED … DU8671 ，LED 。－ TRUEC2，、 ， LED。 TRUEQR，MOSFET ，EMI。 DU8671， ，、 ，。 DU8671SOP8。 ACL ACN DB1 Ce1 R3 DRA VCC C3 GND OVS Rovs DU8671 D4 Ro DRN DRN CS CS L1 Rcs Vout+ C2 Vout- Page 1 of 6 Duty-Cycle Semiconductor DS _DU8671_C.
17.5 15 10.5 26 220 240 V V V V uA uA VCS_MAX TLEB TDELAY CS 400 450 500 mV 400 ns 100 ns Page 3 of 6 Duty-Cycle Semiconductor DS _DU8671_CN_V1.4 DU8671 QR LED （） (，VCC=15V, Ta=25oC) VREF TOFF_MAX TOFF_MIN TON_MAX MOSFET 396 400 404 mV 350 us 1 us 25 us RDSON VDS_BD 8 500 Ω V TSD Hy_TD 150 ℃ 30 ℃ Page 4 of 6 Duty-Cycle Semiconductor DS _DU8671_CN_V1.4 DU8671 QR LED DU8671 ， 500V MOSFET， LED 。 ，VCC ，VCC， ，VCC4.5V。DU8671 15V。200uA， ，, ，,。 DU8671 －TRUEC2 ，、 ， LED 。 ： ILED VREF 2 RCS 0.4 2 RCS VREF Rcs DU8671 ， LED 。 ：DU8671 .
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | DU8670 |
Duty-Cycle Semiconductor |
Critical Mode High Voltage High Precision LED Constant Current Driver |
|
| 2 | DU8673 |
Duty-Cycle Semiconductor |
QR Mode High Voltage High Precision Medium Power LED Constant Current Driver |
|
| 3 | DU8602 |
Duty-Cycle Semiconductor |
Critical Mode High Voltage High Precision LED Constant Current Driver |
|
| 4 | DU8608 |
Duty-Cycle Semiconductor |
High-precision step-down LED constant current driver chip |
|
| 5 | DU8612 |
Duty-Cycle Semiconductor |
Critical Mode High Voltage High Precision LED Constant Current Driver |
|
| 6 | DU8618 |
Duty-Cycle Semiconductor |
Cost-effective 18W LED constant current driver |
|
| 7 | DU8622 |
Duty-Cycle Semiconductor |
High-pressure high-precision medium power LED constant current driver |
|
| 8 | DU8623 |
Duty-Cycle Semiconductor |
High-voltage high-precision constant-current LED driver |
|
| 9 | DU8633 |
Duty-Cycle Semiconductor |
High-voltage high-precision medium-power LED constant current driver |
|
| 10 | DU8634Z |
Duty-Cycle Semiconductor |
High-voltage high-precision LED constant current driver |
|
| 11 | DU8702 |
Kailien Electronics |
No auxiliary winding current feedback LED constant current drive device |
|
| 12 | DU8734 |
Duty-Cycle Semiconductor |
QR Mode High Accuracy Medium Power LED Constant Current Driver |
|