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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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RT8058 데이터시트(PDF) 3 Page - Richtek Technology Corporation |
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RT8058 데이터시트(HTML) 3 Page - Richtek Technology Corporation |
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3 / 15 page  RT8058 Preliminary 3 DS8058-02 August 2007 www.richtek.com Absolute Maximum Ratings (Note 1) l Supply Input Voltage VDD, PVDD ------------------------------------------------------------------------------------ −0.3V to 6V l LX Pin Switch Voltage -------------------------------------------------------------------------------------------------- −0.3V to 6V l Other I/O Pin Voltage --------------------------------------------------------------------------------------------------- −0.3V to 6V l Power Dissipation, PD @ TA = 25 °C WQFN-6L 3x3 ------------------------------------------------------------------------------------------------------------ 1.471W l Package Thermal Resistance (Note 4) WQFN-16L 3x3, θJA ----------------------------------------------------------------------------------------------------- 68°C/W WQFN-16L 3x3, θJC -----------------------------------------------------------------------------------------------------7°C/W l Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------------ 260 °C l Storage Temperature Range ------------------------------------------------------------------------------------------- −65°C to 150°C l Junction Temperature --------------------------------------------------------------------------------------------------- 150 °C l ESD Susceptibility (Note 2) HBM (Human Body Mode) --------------------------------------------------------------------------------------------- 2kV MM (Machine Mode) ---------------------------------------------------------------------------------------------------- 200V Electrical Characteristics (VDD = VPVDD = 3.6V, TA = 25° C, unless otherwise specified) Parameter Symbol Test C onditions Min Typ Max Units Input Voltage Range VIN 2.6 -- 5.5 V Feedback Voltage VFB 0.582 0.6 0.618 V DC Bias Current (PVDD, VDD total) Active, No Load -- 3.4 -- mA Active, Not Switching, VFB = 0.5V -- 340 -- µA Shutdown, EN = 0 -- -- 2 µA Under voltage Lockout Threshold UVLO VDD R ising 2.3 2.43 2.55 V VDD H ysteresis -- 150 -- mV Oscillator Frequency fOSC Switching Frequency 0.75 1.0 1.25 MHz EN High-Level Input Voltage VEN_H 1.4 -- -- V EN Low-Level Input Voltage VEN_L -- -- 0.4 V Switch On Resistance, High R DS(ON)_P IOUT = 200mA -- 142 210 m Ω Switch On Resistance, Low R DS(ON)_N IOUT = 200mA -- 96 160 m Ω Peak Current Limit I LIM 2.2 3 -- A Output Voltage Line Regulation VIN = 2.6V to 5.5V -- 0.05 -- %/V Output Voltage Load Regulation ILOAD = 0Aà2A -- 0.15 -- %/A Recommended Operating Conditions (Note 3) l Supply Input Voltage ---------------------------------------------------------------------------------------------------- 2.6V to 5.5V l Junction Temperature Range ------------------------------------------------------------------------------------------ −40°C to 125°C l Ambient Temperature Range ------------------------------------------------------------------------------------------ −40°C to 85°C |
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