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| EUP2570 ds2570 ver1.0 feb. 2012 1 1mhz boost regulator with 18v integrated fet switch in tiny sot-23 description the EUP2570 switching regulator is a current-mode boost converter operating at fixed frequency of 1mh z. it is designed for small lcd bias supply and others micropower step-up applications. the 18v switch allows for output voltage as high as 17v. the integrated 0.19 power switch and 2a current limit will provide high efficiency over a wide range of l oad conditions with high power density. the EUP2570 integrated multiple protections, such a s oc, uvlo, ot, ovp, which will prevent damage in the event of an output overload. the EUP2570 is available in the tiny sot23-5 package to provide the best solution for pcb space saving and total bom cost. features 2.6v to 5.5v input range 18v output over voltage protection internal soft-start adjustable output voltage internal 0.19 18v mosfet switch 1mhz switching frequency 2a current limit low-profile inductors and capacitors peak efficiency up to 88% available in tsot23-5 package rohs compliant and 100% lead (pb)-free halogen-free applications lcd panel bias supplies local boost regulator digital camera portable applications typical application circuit figure 1. EUP2570 typical 12v application
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