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MPQ4470GL Datasheet(PDF) 2 Page - Monolithic Power Systems

Part # MPQ4470GL
Description  High-Efficiency, Fast-Transient, 5A, 36V Step-Down Converter Evaluation Board
PDF  7 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MPQ4470GL Datasheet(HTML) 2 Page - Monolithic Power Systems

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EV4470/4470A-L-00A – 5A, 36V, STEP-DOWN CONVERTER EVALUATION BOARD
EV4470/4470A-L-00A Rev. 1.0
www.MonolithicPower.com
2
5/4/2014
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2014 MPS. All Rights Reserved.
EVALUATION BOARD SCHEMATIC
4.5-36V
3.3V/5A
NS
R8
0
R9
VIN
10uF
C1A
50V
1210
10uF
C1B
50V
0603
0.1uF
C1C
50V
63.4K
R7
1%
1uF
C5
16V
100K
R6
5%
499K
R5
1%
EN
PGOOD
33nF
C6
50V
1%
0.1uF
C3
50V
10uH
L1
620K
R4
1%
390pF
C4
50V
5%
31.6K
R1
1%
10K
R2
1%
22uF
C2A
16V
1210
22uF
C2B
16V
1210
VOUT
0.1uF
C2C
GND
GND
4.99
R3
Vin
Vin
IN
8,19
FREQ
2
VCC
20
PGOOD
6
EN
5
FB
3
SW
SW
SW
SW
9,10,17,18
BST
7
SW
U1
MPQ4470/
4470A
EN
VOUT
50V
1210
0.1uF
C1D
0805
EV4470/4470A-L-01A BILL OF MATERIALS
Qty
RefDes
Value
Description
Package
Manufacturer Manufactuer_P/N
2
C1A,C1B
10uF
Ceramic Cap., 50V, X7R
1210
muRata
GRM32ER71H106KA12L
3
C1C,C2C,
C3
0.1uF
Ceramic Cap., 50V, X7R
0603
TDK
C1608X7R1H104K
1
C1D
0.1uF
Ceramic Cap., 50V, X7R
0805
muRata
GRM21BR72A104KAC4L
2
C2A,C2B
22uF
Ceramic Cap., 16V, X7R
1210
muRata
GRM32ER71C226KE79
1
C4
390pF
Ceramic Cap., 50V, C0G
0603
muRata
GRM1885C1H391JA01D
1
C5
1uF
Ceramic Cap., 16V, X7R
0603
muRata
GRM188R71C105KA12D
1
C6
33nF
Ceramic Cap., 50V, X7R
0603
muRata
GRM188R71H333KA61D
1
L1
10uH
Inductor, 16.3mOhm,
7.2A
SMD
Wurth
7443251000
1
R1
31.6k
Film Res., 1%
0603
Yageo
RC0603FR-0731K6L
1
R2
10k
Film Res., 1%
0603
Yageo
RC0603FR-0710KL
1
R3
4.99Ω
Film Res., 1%
0603
Yageo
RC0603FR-074R99L
1
R4
620k
Film Res., 1%
0603
Yageo
RC0603FR-07620KL
1
R5
499k
Film Res., 1%
0603
Yageo
RC0603FR-07499KL
1
R6
100k
Film Res., 5%
0603
Yageo
RC0603JR-07100KL
1
R7
63.4k
Film Res., 1%
0603
Yageo
RC0603FR-0763K4L
1
R9
0Ω
Film Res., 5%
0603
Yageo
RC0603JR-070RL
1
R8
NS
1
U1
Step-Down Regulator
QFN20-
3x4
MPS
MPQ4470GL
(for EV4470)
MPQ4470AGL
(for EV4470A)



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