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| MPQ8632GLE-4-Z Datasheet, PDF (30/47 Pages) MPS Industries, Inc. – High Efficiency 18V Synchronous Step-down Converter Family for 4A to 20A | |||
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MPQ8632 HIGH EFFICIENCY 18V SYNCHRONOUS STEP-DOWN CONVERTER FAMILY FOR 4A TO 20A
TYPICAL APPLICATION (7)
V IN
C1A C1B C1C C1D
IN
R7
10uF
10uF
0.1uF 0.1uF
R5
100K
357K
FREQ
R3
BST
0
C3
0.1uF L1
1uH, TOKO FDU1250C-1R0M
SW
VOUT
R1
+ C2A
C2B
13.7K
220uF/20mÆâ 0.1uF
EN MPQ8632
FB
VCC
C5
R6
SS
R2
1uF 100K
PG
C6
20K
33nF
PGND AGND
Figure 13 â Typical Application Circuit with No External Ramp
MPQ8632-10, VIN=12V, VOUT=1V, IOUT=10A, FSW=500kHz
V IN
C1A C1B C1C C1D
IN
R7
10uF
10uF
0.1uF 0.1uF
R5
100K
357K
FREQ
R3
BST
0
C3
0.1uF L1
1uH, TOKO FDU1250C-1R0M
SW
VOUT
R4
C4
R1
C2A C2B C2C C2D C2E
EN MPQ8632
FB
VCC
C5
R6
SS
330K
220pF
R9
100
13.7K 47uF 47uF 47uF 0.1uF 0.1uF
R2
1uF 100K
PG
C6
20K
33nF
PGND AGND
Figure 14 â Typical Application Circuit with Low ESR Ceramic Capacitor
MPQ8632-10, VIN=12V, VOUT=1V, IOUT=10A, FSW=500kHz
V IN
C1A C1B C1C C1D
IN
R7
10uF
10uF
0.1uF 0.1uF
R5
100K
357K
FREQ
BST
0
C3
0.1uF L1
1uH, TOKO FDU1250C-1R0M
SW
VOUT
R4
C4
R1
C2A C2B C2C C2D C2E
EN MPQ8632
FB
VCC
C5
R6
SS
330K
220pF
CDC
10nF
13.7K 47uF 47uF 47uF 0.1uF 0.1uF
R2
1uF 100K
PG
C6
20K
33nF
PGND AGND
Figure 15 â Typical Application Circuit with Low ESR Ceramic Capacitor
and DC-Blocking Capacitor.
MPQ8632-10, VIN=12V, VOUT=1V, IOUT=10A, FSW=500kHz
MPQ8632 Rev.1.26
www.MonolithicPower.com
30
6/7/2017
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2017 MPS. All Rights Reserved.
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