8
dc2048af
DEMO MANUAL DC2048A
connection to a Dust mote (Dc9003a-B)
Figure 8. LTC3330 Circuit Charging Supercapacitor
at No Load without a Battery (V
OUT
= 3.6V)
Figure 9. Scope Shots of LTC3330 Charging
Supercapacitor at No Load without a Battery
(V
OUT
= 3.6V)
PIEZO
MIDE V25W
1µF
6V
4.7µF, 6.3V
GND
LTC3330
DC2048A F08
AC1
V
IN
CAP
V
IN2
BAT
IPK2
IPK1
IPK0
UV3
UV2
UV1
UV0
OUT2
AC2
SW
SWA
22µH
22µH
SWB
V
OUT
SCAP
BAL
OUT1
OUT0
EH_ON
PGVOUT
V
IN3
22µF
25V
22µF
6V
1µF
6V
180mF
2.5V
180mF
2.5V
HZ202F
100µF
10V
500s/DIV
DC2048A F09
EH_ON
5V/DIV
V
OUT
2V/DIV
V
IN
2V/DIV