Datasheet

LTC4425
14
4425fa
For more information www.linear.com/LTC4425
Figure 5. Charging a Single Supercapacitor
Charging a Single Supercapacitor
The LTC4425 can also be used to charge a single super-
capacitor by connecting two series-connected matched
ceramic capacitors (minimum 100µF),
or two
matched
series resistors (~470k), in parallel with the supercapacitor
as shown in Figure 5. Refer to Table 1 for supercapacitor
manufacturers.
Table 1. Supercapacitor Manufacturers
CAP-XX www.cap-xx.com
NESS CAP www.nesscap.com
Maxwell www.maxwell.com
Bussmann www.cooperbussmann.com
AVX www.avx.com
Illinois Capacitor www.illcap.com
Tecate Group www.tecategroup.com
applicaTions inForMaTion
C1 = C2 ≥ 100µF
R1
C
SUP
V
OUT
R1 = R2 = 470k, 1%
R2
4425 F05
LTC4425
V
OUT
V
MID
GND
C1
C
SUP
V
OUT
C2
LTC4425
V
OUT
V
MID
GND
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