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RT9819D-49GYR Datasheet(PDF) 3 Page - Richtek Technology Corporation |
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RT9819D-49GYR Datasheet(HTML) 3 Page - Richtek Technology Corporation |
3 / 13 page RT9819 3 DS9819-08 July 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-70-3/SC-82 ------------------------------------------------------------------------------------------------------- 0.25W SOT-23-3 -------------------------------------------------------------------------------------------------------------- 0.4W WDFN-6L 1.6x1.6 --------------------------------------------------------------------------------------------------- 1.7W Package Thermal Resistance (Note 2) SC-70-3/SC-82, θJA ------------------------------------------------------------------------------------------------- 400°C/W SOT-23-3, θJA --------------------------------------------------------------------------------------------------------- 250°C/W WDFN-6L 1.6x1.6, θJA ---------------------------------------------------------------------------------------------- 58.5°C/W Lead Temperature (Soldering, 10sec.) -------------------------------------------------------------------------- 260 °C Storage Temperature Range -------------------------------------------------------------------------------------- −65°C to 125°C ESD Susceptibility (Note 3) HBM (Human Body Model) ---------------------------------------------------------------------------------------- 2kV MM (Machine Model) ----------------------------------------------------------------------------------------------- 200V Electrical Characteristics Recommended Operating Conditions (Note 4) Junction Temperature Range -------------------------------------------------------------------------------------- −40°C to 125°C Ambient Temperature Range -------------------------------------------------------------------------------------- −40°C to 85°C (VDD = 3V, TA = 25 °C, unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit RT9819A/B/C/D 0.9 -- 6 Operating VDD (VOUT) Range VDD RT9819E/F/G/H 1.1 -- 6 V Supply Current IDD VTH = 3V , VDD = 4.5V -- 3 8 μA Reset Threshold VTH -- 1.2 to 5 -- V Threshold Voltage Accuracy ΔVTH −1.5 -- 1.5 % Threshold Voltage Hysteresis VHYS -- 0.01 VTH -- V VDD Drop to Reset Delay tRD Drop = VTH −125mV -- 20 -- μs RT9819A/E -- 0 -- ms RT9819B/F 35 55 75 ms RT9819C/G 143 220 297 ms Reset Active Time Out Period RT9819D/H tRP VDD ≥ 1.02 × VTH 292 450 608 ms |
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