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SC46166 Datasheet(PDF) 2 Page - Silan Microelectronics Joint-stock |
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SC46166 Datasheet(HTML) 2 Page - Silan Microelectronics Joint-stock |
2 / 10 page SC46166 BLOCK DIAGRAM ABSOLUTE MAXIMUM RATINGS (Tamb=25°C) Rating Unit Characteristics -0.3~+6 V VDD Supply Voltage -0.3~+6 V LX Voltage -0.3~+6 V EN Voltage -0.3~+6 V FB Voltage -40 ~ + 85 °C Operating Temperature -65 ~ +125 Storage Temperature °C ELECTRICAL CHARACTERISTICS (Tamb=25°C, VIN=1.5V,VDD=3.3V,Load Current=0 Unless otherwise specified) Characteristics Symbol Test condition Min. Typ. Max. Unit Minimum Start-Up Voltage VST IL=1mA, Measured On VDD -- 0.85 0.9 V Operating VDD Range VDD VDD pin voltage 2.5 -- 6 V Feedback Reference Voltage VFB 1.2 1.23 1.26 V Quiescent Current (Power Saving Mode) Iswitch off FB=1.4V -- 20 30 μA Quiescent Current (Shutdown) Ist EN=0V -- 0.1 1 μA Quiescent Current (PWM active Mode) IQ Measured On VDD, Nonswitching -- 300 360 μA HANGZHOU SILAN MICROELECTRONICS CO.,LTD REV:1.2 2008.07.04 Http://www.silan.com.cn Page 2 of 11 |
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