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RT9022 Datasheet(PDF) 3 Page - Richtek Technology Corporation |
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RT9022 Datasheet(HTML) 3 Page - Richtek Technology Corporation |
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3 / 11 page  RT9022 Preliminary 3 DS9022-00 September 2007 www.richtek.com Electrical Characteristics (VIN = VEN = 15V, CIN = 1 μF, COUT = 2.2μF, TA = 25°C, unless otherwise specified) Parameter Symbol Test C onditions Min Typ Max Units Input Power Quiescent Current IOUT = 0mA -- 40 80 μA Standby Current EN = GND -- -- 1 μA Reference Voltage Feedback Voltage VFB = VOUT, ILOAD = 1mA -- 1.25 -- V Feedback Voltage Tolerance −1.5 -- +1.5 % Feedback Input Current VFB = 1.3V -- 10 -- nA Soft Start Soft Start Current -- 1.5 -- μA Output Output Current Limit ILIM VIN = 15V, VOUT = 14V, ROUT = 50Ω 60 80 -- mA Output Reverse Leakage Current VIN = Unconnected, Output set to 5V -- 30 -- μA Dropout Voltage ILOAD = 30mA, VOUT = 14V -- 0.2 0.3 V Power Supply Rejection Rate f = 120Hz, VIN = VOUT + 1V, IOUT = 10mA -- 65 -- dB f = 10KHz, VIN = VOUT + 1V, IOUT = 10mA -- 55 -- dB Discharge Current EN = High to Low, VOUT = 14V -- 20 -- mA Absolute Maximum Ratings (Note 1) Supply Input Voltage, VIN -------------------------------------------------------------------------------------------- 21V Enable Voltage, VEN -------------------------------------------------------------------------------------------------- 18V Power Dissipation, PD @ TA = 25°C SOT-23-6/TSOT-23-6 -------------------------------------------------------------------------------------------------- 300mW SC-70-6 ------------------------------------------------------------------------------------------------------------------ 225mW Package Thermal Resistance (Note 4) SOT-23-6/TSOT-23-6, θJA -------------------------------------------------------------------------------------------- 250°C/W SC-70-6, θJA ------------------------------------------------------------------------------------------------------------ 333°C/W Lead Temperature (Soldering, 10 sec.) --------------------------------------------------------------------------- 260 °C Junction Temperature ------------------------------------------------------------------------------------------------- 150 °C Storage Temperature Range ---------------------------------------------------------------------------------------- −65°C to 150°C ESD Susceptibility (Note 2) HBM (Human Body Mode) ------------------------------------------------------------------------------------------ 2kV MM (Machine Mode) -------------------------------------------------------------------------------------------------- 200V Recommended Operating Conditions (Note 3) Supply Input Voltage, VIN -------------------------------------------------------------------------------------------- 5V to 20V Junction Temperature Range ---------------------------------------------------------------------------------------- −40°C to 100°C Ambient Temperature Range ---------------------------------------------------------------------------------------- −40°C to 85°C To be continued |
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