MP1583 – 3A, 23V, 385KHz STEP-DOWN CONVERTER
TYPICAL APPLICATION CIRCUITS
C5
10nF
INPUT
4.75V to 23V
2
1
L1
15μ H
IN
BS
OUTPUT
7
3
EN
SW
3.3V
3A
OPEN = AUTOMATIC
STARTUP
R1
MP1583
16.9kΩ
8
5
C1
SS
FB
10μ F/25V
GND
COMP
CERAMIC
4
6
C2
R2
10kΩ
22μ F/10V
D1
C3
Murata
4.7nF
R3
4.7kΩ
C6
NS
C4
10nF
Figure 5—3.3V output 3A solution with Murata 22µF, 10V Ceramic Output Capacitor
MP1583 Rev. 3.1
6/20/2011
www.MonolithicPower.com
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