UTC UT2306/UT2306-3.3V/UT2306-5.0V
LINEAR INTEGRATED CIRCUIT
L1
22μH
D1
B1
2 CELLS
+ C1
100μF
VIN
SHDN
SW
SENSE
UT2306-5.0
LBI
ILIM
IBO
GND
VOUT
5V
200mA
+
C2
100μF
Figure9.2-cell to 5V Converter Used in Battery Life Study
1000
100
10
1
1
10
100 200
LOAD CURRENT(mA)
Figure 10. Battery Life vs Current.Dots Specify
Actual Measurements
UTC UNISONIC TECHNOLOGIES CO., LTD. 11
QW-R103-029,A