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品佳集團推出 Harvatek +Richtek LED 照明解決方案
T8 Tube, Bulbs and OA lighting

 2013-03-13

【方案介紹】
AC Non-isolated Buck-Boost solution
‧ Richtek RT7302 + Harvatek HT-T5301DND-A2
‧ Richtek RT7302 + Harvatek HT-T5335DND-30

【方案特色】
‧ High PF and Small THD

‧ Critical conduction mode (CRM) operation
‧ Primary side regulation
‧ Accurate constant control, within +/-1% for universal input.
‧ Consistent efficiency and PF for high-low line input.
‧ Optimized THD design
‧ Low operation current
‧ Totem pole gate driver with 600mA/800mA
‧ Wide VDD range up to 25V
‧ Over current limitation
‧ Maximum/minimum on time limitation
‧ HV Startup.

【系統方塊圖】
 RT7302 Schematic
RT7302 Schematic

HT-T5301DND-A2  (3.2V/150mA 5630 LED)
HT-T5301DND-A2  (3.2V/150mA 5630 LED)

HT-T5335DND-30  (16V/30mA 5630 LED)

HT-T5335DND-30  (16V/30mA 5630 LED)

RT7302 + HT-T5301DND-A2(LED 15serial x 2parallel) testing report
RT7302 + HT-T5301DND-A2(LED 15serial x 2parallel) testing report

RT7302 + HT-T5335DND-30 (LED 6serial x 5parallel) testing report
RT7302 + HT-T5335DND-30 (LED 6serial x 5parallel) testing report

【規格說明】
RT7302:Buck-boost+HT-T5301DND-A2

Demoboard

Demoboard

應用範圍:
Bulbs , T8 Tube and OA lighting
Bulbs , T8 Tube and OA lighting


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