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SI9176 Datasheet(Fiches technique) 4 Page - Vishay Siliconix

Numéro de pièce SI9176
Description  High Performance Step-Down DC-DC Converter With Adjustable Output Voltage
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Fabricant  VISHAY [Vishay Siliconix]
Site Internet  http://www.vishay.com
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Si9176
Vishay Siliconix
New Product
www.vishay.com
4
Document Number: 71753
S-21825—Rev. A, 07-Oct-02
PIN CONFIGURATION
10
LX
PGND
FB
AGND
MSOP-10
AGND
VIN
1
2
3
9
8
REF
MODE
Top View
56
VDD
SD
47
2
3
4
10
9
8
7
LX
AGND
FB
VDD
PGND
VIN
AGND
SD
Top View
5
REF
6
MODE
MLP33
PIN DESCRIPTION
Pin Number
Name
Function
1
LX
Inductor connection
2
AGND
Low power analog ground
3
FB
Output voltage feedback
4
VDD
Input supply voltage for the analog circuit.
5
REF
Internal reference, no connection should be made to this pin.
6
MODE
Used to select switching mode of the buck converter
PWM/PSM Pin Logic:
MODE Pin
Operating Mode
VIN
PWM
Open
PSM
GND
AUTO
7
SD
Logic low disables IC and reduces quiescent current to below 2 mA
8
AGND
Must be connected to AGND.
9
VIN
Input supply voltage
10
PGND
Low impedance power ground
ORDERING INFORMATION
MSOP-10
MLP33
Part Number
Marking
Temperature
Part Number
Marking
Temperature
Si9176DH-T1
9176
--40 to 85_C
Si9176DM-T1
9176
--40 to 85_C
Additional voltage options are available.
Eval Kit
Temperature Range
Board
Si9176DB
--40 to 85_C
Surface Mount




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