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IR3831MPBF Datasheet(PDF) 22 Page - International Rectifier

Part # IR3831MPBF
Description  HIGHLY EFFICIENT INTEGRATED SYNCHRONOUS BUCK REGULATOR FOR DDR APPLICATIONS
PDF  31 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

IR3831MPBF Datasheet(HTML) 22 Page - International Rectifier

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11/05/10
22
IR3831MPbF
Application Diagram:
Fig. 15. Application circuit diagram for a 12V to 0.75 V, 8 A Point Of Load Converter
Part Reference
Quantity
Value
Description
Manufacturer
Part Number
Cin
1 330uF
SMD Elecrolytic, Fsize, 25V, 20%
Panasonic
EEV-FK1E331P
3 10uF
1206, 16V, X7R, 20%
Panasonic - ECG
ECJ-3YX1C106K
Lo
1 0.6uH
11.5x10x4mm, 20%, 1.7mOhm
Delta
MPL104-0R6
Co
8 22uF
0805, 6.3V, X5R, 20%
Panasonic- ECG
ECJ-2FB0J226ML
R1
1 4.99K
Thick Film, 0603,1/10 W,1%
Rohm
MCR03EZPFX4991
R2
1 750
Thick Film, 0603,1/10W,1%
Rohm
MCR03EZPFX7500
Rt
1 35.7K
Thick Film, 0603,1/10W,1%
Rohm
MCR03EZPFX3572
ROCSet
1 4.02K
Thick Film, 0603,1/10 W,1%
Rohm
MCR03EZPFX4021
RPG
1 4.7K
Thick Film, 0603,1/10W,1%
Rohm
MCR03EZPFX4701
Css
1 0.022uF
0603, 25V, X7R, 10%
Panasonic - ECG
ECJ-1VB1E223K
R3
1 1.47k
Thick Film, 0603,1/10W,1%
Rohm
MCR03EZPFX1471
C3
1 560pF
50V, 0603, NPO, 5%
Panasonic- ECG
ECJ-1VC1H561J
C4
1 22000pF
0603, 50V, X7R, 10%
Panasonic - ECG
ECJ-1VB1H223K
R8
1 6.65K
Thick Film, 0603,1/10W,1%
Rohm
MCR03EZPFX6651
R10
1 210
Thick Film, 0603,1/10W,1%
Panasonic - ECG
ERJ-3EKF2100V
C7
1 2200pF
0603, 50V, X7R, 10%
Panasonic - ECG
ECJ-1VB1H222K
U1
1 IR3831
SupIRBuck PQFN 5x6mm
International Rectifier
IR3831MPbF
Suggested Bill of Materials for the application circuit:



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