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MP1474 Datasheet(PDF) 14 Page - Monolithic Power Systems

Part # MP1474
Description  High-Efficiency, 2A, 16V, 500kHz Synchronous, Step-Down Converter
PDF  16 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP1474 Datasheet(HTML) 14 Page - Monolithic Power Systems

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MP1474 – SYNCHRONOUS STEP-DOWN CONVERTER
MP1474 Rev. 1.0
www.MonolithicPower.com
14
9/26/2012
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2012 MPS. All Rights Reserved.
TYPICAL APPLICATION CIRCUITS
VCC
25V
C1A
22uF
0.1uF
C1
25V
0.1uF
C5
GND
GND
GND
GND
GND
PG
EN/SYNC
VOUT
100k
R5
VIN
100k
R4
20
R3
0.1uF
C4
22uF
C2A
22uF
C2
15pF
C3
5.5uH
L1
40.2k
R1
7.68k
R2
GND
GND
16k
R6
5V/2A
MP1474
2
7
1
6
5
3
8
BST
SW
EN/SYNC
VCC
IN
GND
FB
PG
Figure 7: 12VIN, 5V/2A Output
VCC
25V
C1A
22uF
0.1uF
C1
25V
0.1uF
C5
GND
GND
GND
GND
GND
PG
EN/SYNC
VOUT
100k
R5
VIN
100k
R4
20
R3
0.1uF
C4
22uF
C2A
22uF
C2
15pF
C3
5.5uH
L1
40.2k
R1
13k
R2
GND
GND
16k
R6
3.3V/2A
MP1474
2
7
1
6
5
3
8
BST
SW
EN/SYNC
VCC
IN
GND
FB
PG
Figure 8: 12VIN, 3.3V/2A Output
VCC
25V
C1A
22uF
0.1uF
C1
25V
0.1uF
C5
GND
GND
GND
GND
GND
PG
EN/SYNC
VOUT
100k
R5
VIN
100k
R4
20
R3
0.1uF
C4
22uF
C2A
22uF
C2
15pF
C3
4.7uH
L1
40.2k
R1
19.1k
R2
GND
GND
33k
R6
2.5V/2A
MP1474
2
7
1
6
5
3
8
BST
SW
EN/SYNC
VCC
IN
GND
FB
PG
Figure 9: 12VIN, 2.5V/2A Output



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