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LM10504 Datasheet(PDF) 4 Page - Texas Instruments

Part # LM10504
Description  LM10504 Triple Buck and LDO Power Management Unit
PDF  42 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

LM10504 Datasheet(HTML) 4 Page - Texas Instruments

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LM10504
SNVS739F – DECEMBER 2011 – REVISED OCTOBER 2016
www.ti.com
Product Folder Links: LM10504
Submit Documentation Feedback
Copyright © 2011–2016, Texas Instruments Incorporated
Pin Functions (continued)
PIN
TYPE(1)
DESCRIPTION
NO.
NAME
B3
GND
G
Connect to system ground.
C1
SPI_CLK
I
SPI interface: Serial clock input.
C7
VCOMP
I
Analog input for comparator.
D1
SPI_DI
I
SPI interface: Serial data input.
D7
GND
G
Connect to system ground; decouple closely to A3.
E1
SPI_DO
O
SPI interface: Serial data output.
E7
DevSLP
I
Digital input control signal for entering device sleep mode. This is an active high pin with an
internal pulldown resistor. Lowers core ASIC voltage and turns off the FLASH and I/O bucks.
F1
SPI_CS
I
SPI interface: Chip select.
F2, G2
SW_B2
P
Buck switcher regulator 2: Power switching node, connect to inductor.
F3
FB_B2
I
Buck switcher regulator 2: Voltage output feedback.
F4
Vselect_B3
I
Digital input start-up control signal to change predefined output voltage of buck 3, internally
pulled up as a default.
F5
FB_B3
I
Buck switcher regulator 3: Voltage output feedback.
F6, G6
SW_B3
P
Buck switcher regulator 3: Power switching node, connect to inductor.
F7
RESET
I
Digital input control signal to abort SPI transactions; resets the PMIC to default voltages. This is
an active low pin with an internal pullup.
G1
GND_B2
P
Buck switcher regulator 2: Power ground for buck regulator.
G3
VIN_B2
P
Buck switcher regulator 2: Power supply voltage input for power stage PFET, if buck 2 is not
used, tie to ground to reduce leakage.
G4
Vselect_B2
I
Digital input start-up control signal to change predefined output voltage of buck 2, internally
pulled down as a default.
G5
VIN_B3
P
Buck switcher regulator 3: Power supply voltage input for power stage PFET.
G7
GND_B3
P
Buck switcher regulator 3: Power ground for buck regulator.



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