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LM10504 データシート(PDF) 3 Page - Texas Instruments

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部品番号 LM10504
部品情報  LM10504 Triple Buck LDO Power Management Unit
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メーカー  TI1 [Texas Instruments]
ホームページ  http://www.ti.com
Logo TI1 - Texas Instruments

LM10504 データシート(HTML) 3 Page - Texas Instruments

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GND_B3
RESET
GND
VCOMP
GND_B1
GND_B1
SW_B3
SW_B3
SW_B1
SW_B1
VIN_B3
VIN_B1
VIN_B1
Vselect2
FB_B1
FB_B1
VIN_B2
GND
VIN
SW_B2
SW_B2
GND
LDO
GND_B2
SPI_CS
SPI_DO
SPI_DI
SPI_
CLK
7
6
5
4
3
2
1
E
TOP VIEW (looking through part)
FB_B3
Vselect3
FB_B2
VIN_IO
Interrupt
DEVSLP
G
A
B
C
D
F
LM10504
www.ti.com
SNVS739E – DECEMBER 2011 – REVISED MARCH 2013
Connection Diagram and Package Marking
Table 2. PIN DESCRIPTIONS
Pin #
Pin Name
I/O(1)
Type(2)
Functional Description
Buck Switcher Regulator 1 - Power supply voltage input for power stage PFET, if
A/B5
VIN_B1
I
P
Buck 1 is not used, tie to ground to reduce leakage.
A/B6
SW_B1
I/O
P
Buck Switcher Regulator 1 - Power Switching node, connect to inductor.
A/B4
FB_B1
I/O
A
Buck Switcher Regulator 1 - Voltage output feedback plus Bypass Power.
A/B7
GND_B1
G
P
Buck Switcher Regulator 1 - Power ground for Buck Regulator.
Buck Switcher Regulator 2 - Power supply voltage input for power stage PFET, if
G3
VIN_B2
I
P
Buck 2 is not used, tie to ground to reduce leakage.
F/G2
SW_B2
I/O
P
Buck Switcher Regulator 2 - Power Switching node, connect to inductor.
F3
FB_B2
I
A
Buck Switcher Regulator 2 - Voltage output feedback.
G1
GND_B2
G
P
Buck Switcher Regulator 2 - Power ground for Buck Regulator.
G5
VIN_B3
I
P
Buck Switcher Regulator 3 - Power supply voltage input for power stage PFET.
F/G6
SW_B3
I/O
P
Buck Switcher Regulator 3 - Power Switching node, connect to inductor.
F5
FB_B3
I
A
Buck Switcher Regulator 3 - Voltage output feedback.
G7
GND_B3
G
P
Buck Switcher Regulator 3 - Power ground for Buck Regulator
Power supply Input Voltage — must be present for device to work; decouple closely
A3
VIN
I
P
to D7.
A2
LDO
O
P
LDO regulator output voltage
Digital Input Startup Control Signal to change predefined output Voltage of Buck 2,
G4
Vselect_B2
I
D
internally pulled down as a default.
(1)
I: Input Pin, O: Output Pin
(2)
A: Analog Pin, I: Input Pin, D: Digital Pin, G: Ground, P: Power Connection
Copyright © 2011–2013, Texas Instruments Incorporated
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