RT3661AB
Absolute Maximum Ratings (Note 1)
VCC to GND----------------------------------------------------------------------------------------------------------0.3V to 6.5V
PVCC to GND--------------------------------------------------------------------------------------------------------0.3V to 6.5V
RGND to GND -------------------------------------------------------------------------------------------------------0.3V to 0.3V
BOOTx to PHASEx
DC-----------------------------------------------------------------------------------------------------------------------0.3V to 6.8V
< 100ns ----------------------------------------------------------------------------------------------------------------5V to 7.5V
PHASEx to GND
DC-----------------------------------------------------------------------------------------------------------------------0.3V to 32V
< 100ns ----------------------------------------------------------------------------------------------------------------10V to 38V
UGATEx to PHASEx
DC-----------------------------------------------------------------------------------------------------------------------0.3V to 6.8V
< 100ns ----------------------------------------------------------------------------------------------------------------5V to 7.5V
LGATEx to GND
DC-----------------------------------------------------------------------------------------------------------------------0.3V to 6.8V
< 100ns ----------------------------------------------------------------------------------------------------------------2.5V to 7.5V
VIN to GND -----------------------------------------------------------------------------------------------------------0.3V to 28V
Other Pins-------------------------------------------------------------------------------------------------------------0.3V to 6.8V
Power Dissipation, P @ T = 25C
D
A
WQFN40L 5x5------------------------------------------------------------------------------------------------------3.63W
Package Thermal Resistance (Note 2)
WQFN40L 5x5, ------------------------------------------------------------------------------------------------27.5C/W
JA
WQFN40L 5x5, -----------------------------------------------------------------------------------------------6C/W
JC
Lead Temperature (Soldering, 10 sec.)------------------------------------------------------------------------260C
Junction Temperature----------------------------------------------------------------------------------------------150C
Storage Temperature Range-------------------------------------------------------------------------------------65C to 150C
ESD Susceptibility
(Note 3)
HBM (Human Body Model) ---------------------------------------------------------------------------------------2kV
Recommended Operating Conditions
(Note 4)
Supply Voltage, VCC-----------------------------------------------------------------------------------------------4.5V to 5.5V
Supply Voltage, PVCC---------------------------------------------------------------------------------------------4.5V to 5.5V
Supply Voltage, VIN ------------------------------------------------------------------------------------------------4.5V to 24V
Junction Temperature Range ------------------------------------------------------------------------------------40C to 125C
Copyright © 2019 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS3661AB-05 May 2019
www.richtek.com
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