LP873220-Q1 Datasheet, PDF (4/69 Pages) Texas Instruments – LP873220-Q1 Dual High-Current Buck Converter and Dual Linear Regulator

LP873220-Q1
SNVSAT4 – SEPTEMBER 2017
NUMBER
22, 23
PIN
NAME
SW_B0
24, 25
VIN_B0
26
27
28
Thermal
Pad
GPO
PGOOD
VIN_LDO0
—
www.ti.com
Pin Functions (continued)
TYPE ⁽¹⁾
DESCRIPTION
P/O Buck 0 switch node. If the Buck 0 is not used, leave the pin floating.
P/I
Input for Buck 0. The separate power pins VIN_Bx are not connected together internally -
VIN_Bx pins must be connected together in the application and be locally bypassed.
D/O General-purpose digital output. If the pin is not used, leave the pin floating.
D/O Power-good indication signal. If the pin is not used, leave the pin floating.
P/I Power input for LDO0. If LDO0 is not used, connect the pin to VANA.
— Connect to PCB ground plane using multiple vias for good thermal performance.
4
Submit Documentation Feedback
Product Folder Links: LP873220-Q1
Copyright © 2017, Texas Instruments Incorporated