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RT8015 Datasheet(PDF) 5 Page - Richtek Technology Corporation |
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RT8015 Datasheet(HTML) 5 Page - Richtek Technology Corporation |
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5 / 15 page  RT8015 5 DS8015-03 March 2011 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 (PVDD+ 0.3V) l Other I/O Pin Voltages ------------------------------------------------------------------------------------------ −0.3V to (VDD + 0.3V) l LX Pin Switch Current ------------------------------------------------------------------------------------------- 4A l Power Dissipation, PD @ TA = 25 °C SOP-8 (Exposed Pad) ----------------------------------------------------------------------------------------- 1.33W l Package Thermal Resistance (Note 2) SOP-8 (Exposed Pad), θJA ------------------------------------------------------------------------------------75°C/W SOP-8 (Exposed Pad), θJC ------------------------------------------------------------------------------------15°C/W l Junction Temperature ------------------------------------------------------------------------------------------- 150 °C l Lead Temperature (Soldering, 10 sec.) ---------------------------------------------------------------------- 260 °C l Storage Temperature Range ----------------------------------------------------------------------------------- −65°C to 150°C l ESD Susceptibility (Note 3) HBM (Human Body Mode) ------------------------------------------------------------------------------------- 2kV MM (Machine Mode) -------------------------------------------------------------------------------------------- 200V Electrical Characteristics (VDD = 3.3V, TA = 25 °C, unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Input Voltage Range VDD 2.6 -- 5.5 V Feedback Reference Voltage VREF 0.784 0.8 0.816 V Active , VFB = 0.78V, Not Switching -- 460 -- µA DC Bias Current Shutdown -- -- 1 µA Output Voltage Line Regulation VIN = 2.7V to 5.5V -- 0.04 -- %/V Output Voltage Load Regulation 0A < ILOAD < 2A -- 0.25 -- % Error Amplifier Transconductance gm -- 800 -- us Current Sense Transresistance RT -- 0.4 -- Ω Power Good Range -- ±12.5 ±15 % Power Good Pull-Down Resistance -- -- 120 Ω ROSC = 332k 0.8 1 1.2 MHz Switching Frequency Switching Frequency 0.3 -- 2 MHz Sync Frequency Range 0.3 -- 2 MHz To be continued Recommended Operating Conditions (Note 4) 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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