MB39C007 Datasheet, PDF (35/52 Pages) Fujitsu Component Limited. – 2 ch DC/DC Converter IC Built-in Switching FET & voltage detection function, PFM/PWM Synchronous Rectification, and Down Conversion Support

MB39C007
■ 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 2.97 times the VOUT setting gain.
MB39C007
C3
4.7 μF
VIN
DVDD1 ¹¹
CPU
R7
1 MΩ
3 CTL1
12
DGND1 14
15
DVDD2 19
C4
4.7 μF
20
DAC1
8 VREFIN1
DGND2 16
17
R8
1 MΩ
2 CTL2
AVDD 5
AGND 4
C5
0.1 μF
DAC2
23 VREFIN2
LX1 13
L1
2.2 μH
L = PFM/PWM
OPEN = PWM
9 MODE1
22 MODE2
6 VREF
7 VDET
1 _CTLP
OUT1 10
LX2 18
L2
2.2 μH
OUT2 21
XPOR ²⁴
VOUT1
C1
4.7 μF
APLI1
VOUT2
C2
4.7 μF
APLI2
VOUT = 2.97 × VREFIN
DS04-27246-2E
35