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RT8205L

High Efficiency, Main Power Supply Controller for Notebook Computer

Richtek Technology 

RT8205L/M

Absolute Maximum Ratings (Note 1)

z VIN, EN to GND ----------------------------------------------------------------------------------------------- −0.3V to 30V

z PHASEx to GND

DC ---------------------------------------------------------------------------------------------------------------- −0.3V to 30V

< 20ns ----------------------------------------------------------------------------------------------------------- −8V to 38V

z BOOTx to PHASEx ------------------------------------------------------------------------------------------ −0.3V to 6V

z ENTRIPx, SKIPSEL, TONSEL, PGOOD to GND ------------------------------------------------------ −0.3V to 6V

z VREG5, VREG3, FBx , VOUTx, SECFB, REF to GND ---------------------------------------------- −0.3V to 6V

z UGATEx to PHASEx

DC ---------------------------------------------------------------------------------------------------------------- −0.3V to (VREG5 + 0.3V)

< 20ns ----------------------------------------------------------------------------------------------------------- −5V to 7.5V

z LGATEx to GND

DC ---------------------------------------------------------------------------------------------------------------- −0.3V to (VREG5 + 0.3V)

< 20ns ----------------------------------------------------------------------------------------------------------- −2.5V to 7.5V

z Power Dissipation, PD @ TA = 25°C

WQFN-24L-4x4 ------------------------------------------------------------------------------------------------ 1.923W

z Package Thermal Resistance (Note 2)

WQFN-24L-4x4, θJA ------------------------------------------------------------------------------------------ 52°C/W

WQFN-24L-4x4, θJC ------------------------------------------------------------------------------------------ 7°C/W

z Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------ 260°C

z Junction Temperature ---------------------------------------------------------------------------------------- 150°C

z Storage Temperature Range -------------------------------------------------------------------------------- −65°C to 150°C

z ESD Susceptibility (Note 3)

HBM (Human Body Mode) ---------------------------------------------------------------------------------- 2kV

MM (Machine Mode) ----------------------------------------------------------------------------------------- 200V

Recommended Operating Conditions (Note 4)

z Supply Input Voltage, VIN ----------------------------------------------------------------------------------- 6V to 25V

z Junction Temperature Range ------------------------------------------------------------------------------- −40°C to 125°C

z Ambient Temperature Range ------------------------------------------------------------------------------- −40°C to 85°C

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DS8205L/M-05 June 2011

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