RT3606BC datasheet(4/72 Pages) RICHTEK

4 / 72 page

RT3606BC

www.richtek.com

DS3606BC-04 June 2016

is a registered trademark of Richtek Technology Corporation.

Pin No

Pin Name

Pin Function

PS4_Dr

Dr.MOS Enable Control. Connecting to Dr.MOS PS4 function pin. As received PS4

command, this pin will be floating. If the Dr. MOS needs active low to enter PS4 or

use discrete MOSFET, please reserve a 100k resistor to GND.

PWMA2

PWM Output for AXG rail VR Channel 2.

BOOTA1

Bootstrap Supply for High-Side Gate MOSFET Driver for AXG rail VR.

UGATEA1

High-Side Drive Outputs for AXG rail VR. Connect the pin to the gate of high-side

MOSFET.

PHASEA1

Switch Node of High-Side Driver for AXG rail VR. Connect the pin to high-side

MOSFE source together with the low-side MOSFET drain and inductor.

LGATEA1

Low-Side Driver Output for AXG rail VR. This pin drives the gate of low-side

MOSFET.

PVCC

Driver Power Supply Input. Connect this pin to GND by a minimum 2.2

F ceramic

Capacitor.

57, 53

LGATE[1:2]

Low-Side Driver Output for CORE rail VR. This pin drives the gate of low-side

MOSFET.

58, 54

PHASE[1:2]

Switch Node of High-Side Driver for CORE rail VR. Connect the pin to high-side

MOSFE source together with the low-side MOSFET drain and inductor.

59, 55

UGATE[1:2]

High-Side Drive Outputs for CORE rail VR. Connect the pin to the gate of high-side

MOSFET.

60, 56

BOOT[1:2]

Bootstrap Supply for High-Side Gate MOSFET Driver for CORE rail VR.

(Exposed Pad)

GND

Ground. The exposed pad must be soldered to a large PCB and connected to GND

for maximum power dissipation.

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