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LM10502 データシート(PDF) 4 Page - Texas Instruments

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部品番号 LM10502
部品情報  Dual 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

LM10502 データシート(HTML) 4 Page - Texas Instruments

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LM10502
SNVS884B – AUGUST 2012 – REVISED MAY 2013
www.ti.com
PIN DESCRIPTIONS
Pin #
Pin Name
I/O
Type
Functional Description
E1
VIN_B1
I
P
Buck Switcher Regulator 1 - Power supply voltage input for power stage PFET.
E2
SW_B1
O
P
Buck Switcher Regulator 1 - Power Switching node, connect to inductor
D1
FB_B1
I
A
Buck Switcher Regulator 1 - Voltage output feedback for Buck Regulator 1
D3/E3
GND_B1
G
P
Buck Switcher Regulator 1 - Power ground for Buck Regulator
A1
VIN_B2
I
P
Buck Switcher Regulator 2 - Power supply voltage input for power stage PFET.
A2
SW_B2
O
P
Buck Switcher Regulator 2 - Power Switching node, connect to inductor
B1
FB_B2
I
A
Buck Switcher Regulator 2 - Voltage output feedback for Buck Regulator 2
A3/B3
GND_B2
G
P
Buck Switcher Regulator 2 - Power ground for Buck Regulator
E4
VIN
I
P
Power supply Input Voltage, must be present for device to work
C4
LDO_VIN
I
P
LDO Regulator - LDO input voltage can be only come from bump D4/E4 -VIN or if not used has to
be connected to C3-GND
B4
LDO_OUT
O
P
LDO Regulator - LDO output voltage can only be connected to bump A4 to provide VIN_IO or is not
used
A4
VIN_IO
P
A
Supply Voltage for Digital Interface can be supplied from any external supply or bump B4 -
LDO_OUT
A5
SPI_CS
I
D
SPI Interface – chip select
C5
SPI_DI
I
D
SPI Interface – serial data input
B5
SPI_DO
O
D
SPI Interface – serial data output
D5
SPI_CLK
I
D
SPI Interface – serial clock input
E5
RESET
I
D
Digital Input Control Signal to abort SPI transactions and resets the PMIC to default Voltages
D4
VCOMP
I
A
Analog Input for Comparator. Can only be connected to monitor E4-VIN
C1
IRQ
O
D
Digital Output of Comparator to signal Interrupt condition from Comparator input VIN
C3
GND
G
G
Ground. Connect to system Ground.
C2
GND
G
G
Ground. Connect to system Ground.
B2
NC
Do not connect
D2
NC
Do not connect
Absolute Maximum Ratings
(1) (2)
VIN, VCOMP
−0.3V to +6.0V
VIN_IO, VIN_B1, VIN_B2, SPI_CS, SPI_DI, SPI_CLK, SPI_DO, RESET, IRQ
−0.3V to VVIN
Junction Temperature (TJ-MAX)
150°C
Storage Temperature
−65°C to 150°C
ESD Rating
Human Body Model (HBM)
2.0kV
(1)
Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions under which
operation of the device is ensured. Operating Ratings do not imply ensured performance limits. For ensured performance limits and
associated test conditions, see the General Electrical Characteristics.
(2)
If Military/Aerospace specified devices are required, please contact the TI Sales Office/Distributors for availability and specifications.
4
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