
Data Sheet
REGULATED DUAL SUPPLY SYSTEM
The circuit in Figure 18 provides regulated positive and negative
voltages for systems that require dual supplies from a single
battery or power supply.
1N5817
VIN = +3.3V
10µF
ADP3607-5
2 VIN
VOUT 8
CP1 + 1 CP+
10µF
3 CP–
VSENSE 5
SD GND
4
2
+5V
CO1
10µF
ADP3605
8 VIN
VOUT 7
CP2 + 1 CP+
10µF
3 CP–
VSENSE 5
SD GND
4
2
–2.6V
R1
16.5kΩ
1%
CO2
+ 10µF
Figure 18. Dual Supply System
ADP3605
Rev. B | Page 11 of 12