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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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LP6203 데이터시트(PDF) 1 Page - Lowpower Semiconductor inc |
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LP6203 데이터시트(HTML) 1 Page - Lowpower Semiconductor inc |
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1 / 8 page  Preliminary Datasheet LP6203 LP6203 –01 Ver. 1.1 Datasheet FEB.-2009 Page 1 of 8 High Efficiency Boost DC/DC Regulator General Description The LP6203 is a compact, high efficiency, and low voltage step-up DC/DC converter including an error amplifier, ramp generator, comparator, switch pass element and driver in which providing a stable and high efficient operation over a wide range of load currents. It operates in stable waveforms without external compensation. The low start-up input voltage below 1.6V makes LP6203 suitable for 2 to 4 battery cells applications of providing up to 1A output current. The high switching rate minimized the size of external components. Besides, the 19µA low quiescent current together with high efficiency maintains long battery lifetime. The output voltage is set with two external resistors. Ordering Information LP6203 - □ □ □ F: Pb-Free Package Type QV: TDFN-6 Applications AlK. Battery products Marking Information Please see website. Features 1.6V Start-up Input Voltage Output up to 20V High Supply Capability to Deliver 6V 500mA with 2 Alkaline Cell 19µA Quiescent (Switch-off) Supply Current Zero Shutdown Mode Supply Current 90% Efficiency Up to 450KHz Switching Frequency Using Internal Power Switches Small DFN2*2-6 Package Typical Application Circuit LP6203QVF 4 1 3 5 VDD SOE N/A FB + 10uF 0.01 R2 500K SS24 R1 1.5M Vin 10uH Vout 22pF 22pF 1K + Cout 47uF 1uF Pin Configurations TDFN-6(Top View) |
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