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RT9302GJ8 Datasheet(PDF) 4 Page - Richtek Technology Corporation |
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RT9302GJ8 Datasheet(HTML) 4 Page - Richtek Technology Corporation |
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4 / 9 page  RT9302 4 DS9302-02 March 2007 www.richtek.com Electrical Characteristics Parameter Symbol Test Condition Min Typ Max Units Input Input Supply Voltage VIN 2.8 -- 5.5 V Under Voltage Lockout Threshold VIN falling -- 2.0 -- V Under Voltage Lockout Hysteresis -- 200 -- mV Shutdown Current ISHDN VEN = 0V -- 4 10 μA Quiescent Current IQ VEN = High, IOUT = 0 -- 0.4 -- mA Output Output Current ILED 100% setting, VLED = 1V 18.4 20 21.6 mA Current Matching ILED-LED 100% setting, VLED = 1V −5 0 +5 % Dropout Voltage VLED 90% of full output current -- 40 150 mV Enable Logic-High VIH 1.5 -- -- V EN Threshold Voltage Logic-Low VIL -- -- 0.4 V Logic-High THI Duration of EN Logic High for pulse dimming 0.5 -- -- μs Time of EN Logic Logic-Low TLO Duration of EN Logic Low for pulse dimming 0.5 -- 10 μs Shutdown Delay TSHDN From EN Low to Shutdown 10 16 20 μs EN Input Current IEN VEN = 1.8V -- 1 -- μA Absolute Maximum Ratings (Note 1) Supply Input Voltage ------------------------------------------------------------------------------------------------------ −0.3V to 6V Other I/O Pin Voltages --------------------------------------------------------------------------------------------------- −0.3V to 6V VIN, EN to GND ------------------------------------------------------------------------------------------------------------ 6V Power Dissipation, PD @ TA = 25 °C TSOT-23-8 ------------------------------------------------------------------------------------------------------------------- 0.455W Package Thermal Resistance (Note 4) TSOT-23-8, θJA ------------------------------------------------------------------------------------------------------------- 220°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) Junction Temperature Range -------------------------------------------------------------------------------------------- −40°C to 125°C Ambient Temperature Range -------------------------------------------------------------------------------------------- −40°C to 85°C (VIN = 3.6V, CIN = 1uF, ESR = 0.03 Ω, VF = 3.4V, ILED1 = ILED2 = ILED3 = 20mA, TA = 25°C, unless otherwise specified) |
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