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RT9907 Datasheet(PDF) 6 Page - Richtek Technology Corporation |
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RT9907 Datasheet(HTML) 6 Page - Richtek Technology Corporation |
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6 / 19 page  RT9907 6 DS9907-11 May 2014 www.richtek.com © Copyright 2014 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. Electrical Characteristics (VDDM =3.3V, TA = 25 °C, Unless Otherwise specification) Parameter Symbol Test Conditions Min Typ Max Unit Supply Voltage Minimum Startup Voltage (Boost) VST Boost loading < 1mA -- 1.5 -- V VDDM Operating Voltage VVDDM VDDM Pin Voltage 2.4 -- 5.5 V VDD1, VDD2, VDD3 Operating Voltage VVDD1 VVDD2, VVDD3 VDD1, VDD2, VDD3 Pin Voltage 1.5 5.5 V VDDM Over Voltage Protection -- 6.5 -- V Supply Current Shutdown Supply Current IOFF VENM pin=0V -- 0.01 1 uA CH1 DC/DC Converter IVDDM VVDDM = 3.3V, VFB1 = 0.9V VENM = 3.3V, VEN1 = 3.3V, VEN2 = 0V, VEN3 = 0V -- 250 350 uA CH2 DC/DC Converter Supply Current IVDDM VVDDM = 3.3V, VFB2 = 0.9V VENM = 3.3V, VEN1 = 0V, VEN2 = 3.3V, VEN3 = 0V -- 250 350 uA CH3 DC/DC Converter Supply Current IVDDM VVDDM = 3.3V, VFB3 = 0.9V VENM = 3.3V, VEN1 = 0V, VEN2 = 0V, VEN3 = 3.3V -- 250 350 uA Absolute Maximum Ratings (Note 1) Supply Input Voltage, VDDM, VDD1, VDD2,VDD3 -------------------------------------------------------- −0.3 to 7V LX1 Pin Switch Voltage ------------------------------------------------------------------------------------------ −0.3V to 7V LX2 Pin Switch Voltage ------------------------------------------------------------------------------------------ −0.3V to (VDD2 + 0.3V) LX3 Pin Switch Voltage ------------------------------------------------------------------------------------------ −0.3V to (VDD3 + 0.3V) Other I/O Pin Voltage --------------------------------------------------------------------------------------------- −0.3V to (VDDM+ 0.3V) Power Dissipation, PD @ TA = 25 °C VQFN-24L 4x4 ----------------------------------------------------------------------------------------------------- 1.85W Package Thermal Resistance (Note 2) VQFN-24L 4x4, θJA ------------------------------------------------------------------------------------------------ 54°C/W Junction Temperature Range ------------------------------------------------------------------------------------ −40°C to 125°C Lead Temperature (Soldering, 10 sec.) ----------------------------------------------------------------------- 260 °C Operation Temperature Range ---------------------------------------------------------------------------------- −40°C to 85°C Storage Temperature Range ------------------------------------------------------------------------------------ −65°C to 150°C ESD Susceptibility (Note 3) HBM (Human Body Mode) -------------------------------------------------------------------------------------- 2kV MM (Machine Mode) ---------------------------------------------------------------------------------------------- 200V |
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