TM
MP1580 – 2A, 380KHz STEP-DOWN CONVERTER
TYPICAL APPLICATION CIRCUITS
INPUT
4.75V to 25V
OFF ON
OPEN
NOT USED
C5
10nF
2
1
IN
7
EN
BS
3
SW
MP1580
D1
8
5
SYNC
FB
GND
COMP
4
6
C6
OPEN
C3
2.2nF
OUTPUT
2.5V / 2A
MP1580_F03
Figure 3—Application Circuit for -5V Supply
INPUT
4.75V to 20V
OFF ON
OPEN
NOT USED
C5
10nF
2
1
7
IN
EN
BS
3
SW
MP1580
8
5
SYNC
FB
GND
COMP
4
C6
OPEN
6
C3
10nF
D1
B230
OUTPUT
-5V / 0.8A
MP1580_F04
Figure 4—MP1580 with Murata 22µF/10V Ceramic Output Capacitor
MP1580 Rev. 3.0
www.MonolithicPower.com
9
12/5/2005
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