MB39C015 Datasheet, PDF (6/43 Pages) Cypress Semiconductor – High efficiency : 96% (Max)

4. Block Diagram
VIN
CTL1
3
OUT1
10
DAC
VREFIN1
8
MODE1
GND
9
VIN
CTLP
1
VDET
7
VREF
6
CTL2
2
OUT2
21
VREFIN2
23
MODE2
GND
22
MB39C015
ON/OFF
×3
AVDD
5
DVDD1
DVDD2
11, 12 19, 20
ERR
− ^Amplifier
+
DVDD1
IOUT
Comparator
PWM
Logic
Control
LX1
13
VIN
VOUT1
1.30 V
ON/OFF
VREF
×3
ON/OFF
−
+
24
XPOR
ERR
− ^Amplifier
+
DVDD2
IOUT
Comparator
PWM
Logic
Control
LX2
18
VOUT2
4
AGND
14, 15 16, 17
DGND1
DGND2
Document Number: 002-08364 Rev. *A
Page 6 of 43