Linear DC2048A Demo Manual page 8

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