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MP2918 Datasheet(PDF) 28 Page - Monolithic Power Systems

Part # MP2918
Description  4V to 40V Input, Current Mode, Synchronous, Step-Down Controller
PDF  30 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2918 Datasheet(HTML) 28 Page - Monolithic Power Systems

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MP2918
—4V TO 40V SYNCHRONOUS STEP-DOWN CONTROLLER
MP2918 Rev. 1.02
www.MonolithicPower.com
28
5/31/2017
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2017 MPS. All Rights Reserved.
TYPICAL APPLICATION CIRCUITS (continued)
VIN
M1
M2
100k
Ω
R2
45.3k
Ω
R1
16V
16V
SYNCO
EN/SYNC
IN
19
FREQ
8
EN/SYNC
20
SYNCO
11
SS 4
ILIMIT 10
FB
6
CCM/AAM
7
SENSE- 12
SENSE+ 13
PG
9
VCC2
1
BG 15
VCC1
2
SW
16
TG
17
BST
18
U1
MP2918GL
680pF
C6
51k
Ω
R5
NS
C7
6V-40V
0.1µF
C8
16V
0.007
Ω
R7
63.4k
Ω
R8
12k
Ω
R9
VOUT
5V/7A
4.7µH
L1
4.7µF
C1C
100V
NS
R10
NS
C10
0
Ω
R11
0
Ω
R12
1N4148WS
D1
0
Ω
R13
NS
C9
0.47µF
C1
PG
1µF
C2
VCC2
NS
R3
VOUT
VOUT
45.3k
Ω
R4
NS
C4
10
Ω
R14
220pF
C11
DFLS160
100k
Ω
R15
VIN
100k
Ω
R16
4.7µF
C3
68µF
COUT1
16V
68µF
COUT2
16V
22µF
COUT3
16V
COUT4
NS
VCC1
10
Ω
R18
D2
100V
0
Ω
R19
0
Ω
R20
GND
AGND
4.7µF
C1B
100V
10nF
C5
C1A
63V
47µF
PGND
Note: Thermal pad should connect to PGND and SGND
1
2
3
JP1
CCM
AAM
VCC1
VCC1
1
2
3
JP2
VCC1
NS
R17
Figure 14: 5V Output Application Circuit for QFN Package
VIN
M1
M2
100k
Ω
R2
45.3k
Ω
R1
16V
16V
SYNCO
EN/SYNC
IN
19
FREQ
8
EN/SYNC
20
SYNCO
11
SS 4
ILIMIT 10
FB
6
CCM/AAM
7
SENSE- 12
SENSE+ 13
PG
9
VCC2
1
BG 15
VCC1
2
SW
16
TG
17
BST
18
U1
MP2918GL
220pF
C6
10k
Ω
R5
82pF
C7
16V-40V
0.1µF
C8
16V
0.007
Ω
R7
169k
Ω
R8
12k
Ω
R9
VOUT
12V/7A
15µH
L1
4.7µF
C1C
100V
0
Ω
R10
150pF
C10
0
Ω
R11
0
Ω
R12
1N4148WS
D1
0
Ω
R13
NS
C9
0.47µF
C1
PG
1µF
C2
VCC2
NS
R3
VOUT
VOUT
45.3k
Ω
R4
NS
C4
10
Ω
R14
220pF
C11
DFLS160
100k
Ω
R15
VIN
100k
Ω
R16
4.7µF
C3
220µF
COUT1
16V
68µF
COUT2
16V
VCC1
10
Ω
R18
D2
100V
0
Ω
R19
0
Ω
R20
GND
AGND
4.7µF
C1B
100V
10nF
C5
C1A
63V
47µF
PGND
Note: Thermal pad should connect to PGND and SGND
1
2
3
JP1
CCM
AAM
VCC1
VCC1
1
2
3
JP2
VCC1
NS
R17
Figure 15: 12V Output Application Circuit for QFN Package



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