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MPQ9842GL Datasheet(PDF) 32 Page - MPS Industries, Inc.

Part # MPQ9842GL
Description  36V, 2A, Low IQ,Step-Down Converter AEC-Q100 Qualified
PDF  37 Pages
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Manufacturer  MPSIND [MPS Industries, Inc.]
Direct Link  http://www.mpsind.com/index.html
Logo MPSIND - MPS Industries, Inc.

MPQ9842GL Datasheet(HTML) 32 Page - MPS Industries, Inc.

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MPQ9842
– 36V, 2A, LOW IQ, SYNCHRONOUS STEP-DOWN CONVERTER
MPQ9842 Rev. 1.1
www.MonolithicPower.com
32
7/29/2022
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2022 MPS. All Rights Reserved.
50V
0.1uF
C1C
0.1uF
C4
22uF
C2B
5V/2.2A
25V
EN
VOUT
GND
10uF
C1B
50V
10uF
C1A
50V
100K
R1
20
R5
SW
3,10
EN
5
IN
2
BST
U1
MPQ9842
VEMI
GND
22uF
CIN4
4.7uH
L2
R2
PHASE
1
SS
14
FRE
Q
16
SYNC
6
C3
4.7nF
SYNC
191K
R4
0603
1210
1210
22uF
C2A
25V
1210
1210
L3
R7 41.2k
7.68k
R8
1uF
C6
C5 10pF
4.7uH
FB 15
VCC
PG
100K
R6
PG
BIAS 8
12
7
10
R3
C7
0.1uF
50V
0.1uF
C1D
0603
NS
NS
C2C
1uH
L1
4.7uF
CIN2
50V
1210
5V-36V
1uF
CIN1
4.7uF
CIN3
50V
1210
63V
Freq=450kHz
Figure 14: Application Circuit with EMI Filter @VOUT = 5V/2A, fSW = 450kHz
10
μF
C1A
0.1
μF
C1C
100k
Ω
R1
0.1
μF
C5
10
μH
L1
22
μF
C2A
3.3V/2A
EN
VOUT
10
μF
C1B
SW
3, 10
EN
5
VIN
2
FB
15
VCC
12
BST
11
PGND
PG
7
U1
1
μF
C4
100k
Ω
R5
PG
GND
VIN
GND
3.3V-36V
MPQ9842
14
SS
AGND
16
FREQ
BIAS
SYNC
6
PHASE
1
8
4.7nF
C3
R2
SYNC
PHASE
169k
Ω
22
μF
C2B
0.1
μF
C1D
C7
NS
R6
NS
Figure 15: 3.3V Fixed Output, fSW = 500kHz



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