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RT9818A-40GV Datasheet(PDF) 3 Page - Richtek Technology Corporation |
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RT9818A-40GV Datasheet(HTML) 3 Page - Richtek Technology Corporation |
3 / 14 page RT9818 3 DS9818-10 May 2013 www.richtek.com © Copyright 2013 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. Absolute Maximum Ratings (Note 1) Terminal Voltage (with Respect to GND) VDD --------------------------------------------------------------------------------------------------------------------- −0.3V to 6V All Other Inputs ----------------------------------------------------------------------------------------------------- −0.3V to (VDD + 0.3V) Input Current, IVDD -------------------------------------------------------------------------------------------------- 20mA Power Dissipation, PD @ TA = 25 °C SC-70 / SC-82------------------------------------------------------------------------------------------------------- 0.25W SOT-23-3 ------------------------------------------------------------------------------------------------------------- 0.4W SOT-23-5 ------------------------------------------------------------------------------------------------------------- 0.4W SOT-89 ---------------------------------------------------------------------------------------------------------------- 0.55W Package Thermal Resistance (Note 2) SC-70 / SC-82, θJA ------------------------------------------------------------------------------------------------- 400°C/W SOT-23-3, θJA -------------------------------------------------------------------------------------------------------- 250°C/W SOT-23-5, θJA -------------------------------------------------------------------------------------------------------- 250°C/W SOT-89, θJA ---------------------------------------------------------------------------------------------------------- 180°C/W Lead Temperature (Soldering, 10sec.)------------------------------------------------------------------------- 260 °C Storage Temperature Range ------------------------------------------------------------------------------------- −65°C to 150°C ESD Susceptibility (Note 3) HBM (Human Body Model) --------------------------------------------------------------------------------------- 2kV Electrical Characteristics (VDD = 3V, unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Operating VDD (VOUT) Range VDD 0.9 -- 6 V Supply Current IDD VTH = 3V, VDD = 4.5V, TA = 27°C -- 3 8 μA Reset Threshold VTH TA = 27°C -- 1.2 to 5 -- V Threshold Voltage Accuracy ΔVTH TA = 27°C −1.5 -- 1.5 % VDD Drop to Reset Delay tRD Drop = VTH −125mV -- 20 -- μs RT9818A/E -- 0 -- RT9818B/F 35 55 75 RT9818C/G 143 220 297 Reset Active Time Out Period RT9818D/H tRP VDD ≥ 1.02 x VTH 292 450 608 ms RESET Output Voltage Low (Note 5) VOL 3 = VDD < VTH ISINK > 3.5mA -- -- 0.4 V Hysteresis Width VHYS -- 0.01VTH 0.016VTH V Recommended Operating Conditions (Note 4) Junction Temperature Range ------------------------------------------------------------------------------------- −40°C to 125°C Ambient Temperature Range ------------------------------------------------------------------------------------- −40°C to 85°C |
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