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M7085L-SM1-T Datasheet(PDF) 1 Page - Unisonic Technologies |
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M7085L-SM1-T Datasheet(HTML) 1 Page - Unisonic Technologies |
1 / 8 page UNISONIC TECHNOLOGIES CO., LTD M7085 CMOS IC www.unisonic.com.tw 1 of 8 Copyright © 2005 Unisonic Technologies Co., Ltd QW-R502-092,A PFM STEP-DOWN DC-DC CONTROLLER DESCRIPTION The UTC M7085 step-down DC-DC Controller is optimized for use with a power PMOSFET. It utilize a Pulse-Frequency Modulation (PFM) control scheme that implies high efficiency operation at light loads. There are two user-selectable over-current protection methods one provides over-current protection by taking advantage of the RDS(ON) of the P- Channel. The other provides accurate over-current protection with the use of an external sense resistor. The cycle-by-cycle current limit threshold can be adjusted with a external resistor. FEATURES * High efficiency 90% and up is possible * Low dropout operation:100% duty cycle * Maximum operating frequency > 1MHz * Two methods of over-current protection * 4.5V ~ 35V wide input range * 1.24V ~ VIN adjustable output range MSOP-8 *Pb-free plating product number: M7085L ORDERING INFORMATION Order Number Normal Lead Free Plating Package Packing M7085-SM1-R M7085L-SM1-R MSOP-8 Tape Reel M7085-SM1-T M7085L-SM1-T MSOP-8 Tube M7085L-SM1-R (1)Packing Type (2)Package Type (3)Lead Plating (1) R: Tape Reel, T: Tube (2) SM1: MSOP-8 (3) L: Lead Free Plating, Blank: Pb/Sn |
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