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