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RT9201 Datasheet(PDF) 4 Page - Richtek Technology Corporation |
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RT9201 Datasheet(HTML) 4 Page - Richtek Technology Corporation |
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4 / 13 page  RT9201 4 DS9201-12 August 2007 www.richtek.com Electrical Characteristics (VIN = 3.6V, VOUT = 2.5V, EN = VIN, LX = 10 µH, CIN = 10µF, COUT = 22µF, TA = 25°C, unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Units Input Voltage Range VIN 2.5 -- 5.5 V Adjustable Output Range VOUT (Note 4) 0.85 -- VIN V Reference Voltage VREF IL = 300mA -- 0.8 -- V Cross Regulation ∆VCROSS VIN = 2.5V to 5.5V, IL = 600mA to 0mA −3 -- +3 % FB Input Current IFB VFB = VIN −50 -- 50 nA PMOSFET RON PRDS(ON) ILX = 200mA 0.2 0.37 0.43 Ω NMOSFET RON NRDS(ON) ILX = 200mA 0.2 0.3 0.35 Ω P-Channel Current Limit IP(LM) RL = 0.1 Ω, VFB = VREF − 0.15 0.8 1.17 1.6 A Quiescent Current IQ ILX = 0mA, VFB = VREF + 0.15 40 85 140 µA Shutdown Current IQ(SD) EN = 0V, VIN = 5.5V 0.01 2 7 µA Oscillator Frequency fOSC IOUT = 100mA 600 800 1k kHz EN Input High Threshold VIH VIN = 2.5V to 5.5V 1.5 -- -- V EN Input Low Threshold VIL VIN = 2.5V to 5.5V -- -- 0.4 V Thermal Shutdown Temperature TSD 125 150 -- °C Maximum Duty Cycle VIN = VOUT 100 -- -- % Minimum On Time No Load 0.1 0.2 0.3 µs LX Leakage Current EN = 0V,VIN = 5.5V, VLX = 0V or VLX = 5.5V −20 1 20 µA Recommended Operating Conditions (Note 3) l Supply Input Voltage ------------------------------------------------------------------------------------------------ 2.5V to 5.5V l Junction Temperature Range -------------------------------------------------------------------------------------- −40°C to 125°C Absolute Maximum Ratings (Note 1) l Input Voltage ---------------------------------------------------------------------------------------------------------- 6V l Power Dissipation, PD @ TA = 25 °C VDFN −10L 3x3 ------------------------------------------------------------------------------------------------------- 2.1W l Junction Temperature ----------------------------------------------------------------------------------------------- 150 °C l Storage Temperature Range --------------------------------------------------------------------------------------- −65°C to 150°C l Package Thermal Resistance VDFN −10L 3x3, θJA -------------------------------------------------------------------------------------------------- 47°C/W l Lead Temperature (Soldering, 10 sec.) -------------------------------------------------------------------------- 260 °C l Storage Temperature Range --------------------------------------------------------------------------------------- −65°C to 150°C l ESD Susceptibility (Note 2) HBM (Human Body Mod) ----------------------------------------------------------------------------------------- 2kV MM (Machine Mode) ----------------------------------------------------------------------------------------------- 200V |
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