MB39C015 Datasheet, PDF (29/43 Pages) Cypress Semiconductor – High efficiency : 96% (Max)

MB39C015
12. Application Circuit Examples
■ Application Circuit Example 1
❐ An external voltage is input to the reference voltage external input (VREFIN1, VREFIN2) , and the VOUT voltage is set to 3.01 times
the VOUT setting gain.
CPU
DAC1
DAC2
R7
1 MΩ
R8
1 MΩ
3 CTL1
8 VREFIN1
2 CTL2
DVDD1 ¹¹
12
DGND1 14
15
DVDD2 19
20
DGND2 16
17
AVDD 5
AGND 4
C3
4.7 μF
C4
4.7 μF
C5
0.1 μF
MB39C015
23 VREFIN2
LX1 13
L1
2.2 μH
9 MODE1
OUT1 10
VIN
VOUT1
C1
4.7 μF
APLI1
22 MODE2
6 VREF
7 VDET
1 _CTLP
LX2 18
L2
2.2 μH
OUT2 21
XPOR ²⁴
VOUT2
C2
4.7 μF
APLI2
VOUT = 3.01 × VREFIN
Document Number: 002-08364 Rev. *A
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