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MP4570 Datasheet(PDF) 21 Page - Monolithic Power Systems

Part # MP4570
Description  3A, 4.5V-55V Input, Frequency Programmable, Fully Integrated Synchronous, Step-Down Converter
PDF  22 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP4570 Datasheet(HTML) 21 Page - Monolithic Power Systems

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MP4570 – 3A, 55V, SYNCHRONOUS STEP DOWN CONVERTER
MP4570 Rev. 1.01
www.MonolithicPower.com
21
1/4/2017
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2017 MPS. All Rights Reserved.
TYPICAL APPLICATION CIRCUITS
GND
EN
VIN
GND
VOUT
1M
R4
4.32k
R2
10k
R1
2.2uF
C1A
47nF
C3
0.1uF
C7
0.1uF
C2C
22uF
C2A
22uF
C2B
10uH
L1
2.2uF
C1B
4.5V-55V
3.3V@3A
0.1uF
C1C
NS
R5
220pF
C4
10k
R3
1uF
C8
102k
R7
100k
R6
PG
1uF
C5
0.1uF
C6
1N4148
D1
SW
BST
5
VIN
EN
4
COMP
1
FB
2
VDD
16
BIAS
17
SS
19
FREQ
3
PG
18
MP4570
10,11
6,7,8
U1
Figure 4 – 3.3V Output Typical Application Circuit



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