RT8876A
Absolute Maximum Ratings (Note 1)
z VCC12 toGND --------------------------------------------------------------------------------------- −0.3V to 15V
z VCC5 toGND ---------------------------------------------------------------------------------------- −0.3V to 6.5V
z RGND, RGNDAtoGND ---------------------------------------------------------------------------- −0.3V to 0.3V
z TONSET, TONSETAtoGND ---------------------------------------------------------------------- −0.3V to 28V
z BOOTx to PHASEx --------------------------------------------------------------------------------- −0.3V to 15V
z PHASEx to GND
DC------------------------------------------------------------------------------------------------------- −0.3V to 30V
<20ns -------------------------------------------------------------------------------------------------- −10V to 35V
z LGATEx toGND
DC------------------------------------------------------------------------------------------------------- (GND − 0.3V) to (VCC12 + 0.3V)
<20ns -------------------------------------------------------------------------------------------------- (GND − 2V) to (VCC12 + 0.3V)
z UGATEx toGND
DC------------------------------------------------------------------------------------------------------- (VPHASE − 0.3V) to (VBOOT + 0.3V)
<20ns -------------------------------------------------------------------------------------------------- (VPHASE − 2V) to (VBOOT + 0.3V)
z PWMA to GND --------------------------------------------------------------------------------------- −0.3V to 7V
z Other Pins--------------------------------------------------------------------------------------------- −0.3V to (VCC5 + 0.3V)
z Power Dissipation, PD @ TA = 25°C
WQFN−56L 7x7 -------------------------------------------------------------------------------------- 3.226W
z Package Thermal Resistance (Note 2)
WQFN−56L 7x7, θJA -------------------------------------------------------------------------------- 31°C/W
WQFN−56L 7x7, θJC ------------------------------------------------------------------------------- 6°C/W
z Junction Temperature ------------------------------------------------------------------------------- 150°C
z Lead Temperature (Soldering, 10 sec.)--------------------------------------------------------- 260°C
z Storage Temperature Range ---------------------------------------------------------------------- −65°C to 150°C
z ESD Susceptibility (Note 3)
HBM (Human Body Model)------------------------------------------------------------------------ 2kV
Recommended Operating Conditions (Note 4)
z Supply Voltage, VCC12 ---------------------------------------------------------------------------- 4.5V to 13.2V
z Supply Voltage, VCC5 ----------------------------------------------------------------------------- 4.5V to 5.5V
z Input Voltage, (VIN + VCC12) --------------------------------------------------------------------- <35V
z Junction Temperature Range---------------------------------------------------------------------- −40°C to 125°C
z Ambient Temperature Range---------------------------------------------------------------------- −40°C to 85°C
Copyright 2012 Richtek Technology Corporation. All rights reserved.
©
is a registered trademark of Richtek Technology Corporation.
DS8876A-02 October 2012
www.richtek.com
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