MP1470 – SYNCHRONOUS, STEP-DOWN CONVERTER WITH INTERNAL MOSFETS
R4
3
6
2
4
IN
BST
VIN
C6
C1
0R
C4
GND
25V
25V
L1
SW
GND
GND
MP1470
GND
1.8V/2A
VOUT
SW
FB
C3
R3
NS
R7
120k
C2
NS
C2A
R5
NS
R1
40.2k
100k
GND
GND
5
EN
EN
GND
R2
32.4k
R6
NS
C5
NS
GND
GND
GND
GND
GND
Figure 12: 12Vin, 1.8V/2A
R4
3
6
IN
BST
VIN
GND
C6
25V
C1
25V
0R
C4
L1
GND
GND
SW
MP1470
GND
1.2V/2A
VOUT
2
SW
C3
R3
C2
NS
C2A
R5
NS
R7
249k
NS
R1
20.5k
100k
GND
GND
5
4
EN
FB
EN
GND
R2
41.2k
R6
NS
C5
NS
GND
GND
GND
GND
GND
Figure 13: 12Vin, 1.2V/2A
MP1470 Rev. 1.02
8/27/2013
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