LTC3350
43
3350fc
For more information
www.linear.com/LTC3350
Typical applicaTions
Application Circuit 7. 4.8V to 12V, 10A Supercapacitor Charger with 6.4A Input Current Limit and 5V, 30W Backup Mode
V
IN
V
DD
V
IN
4.8V TO 12V
50µs FALLING
EDGE FILTER
INFET
MN1
SiS452DN
MN2
SiS452DN
L1
1µH
R
SNSC
0.003Ω
R
CAP1
2.7Ω
R
CAP2
2.7Ω
R
CAPRTN
2.7Ω
MN3
SiS452DN
R
SNSI
0.005Ω
VOUTM5VOUTSP
LTC3350
VOUTSN OUTFET
OUTFB
PFI
C1
0.1µF
C2
1µF
R
PF1
30.1k
D
B
B0540WS
C
B
0.1µF
C3
10µF
C4
0.1µF
C
CAP
47µF
R
FBC1
732k
R
FBC2
274k
C
F
0.1µF
C
CP5
0.1µF
CAP1 50F
CAP1-2: NESSCAP ESHSR-0050C0-002R7
L1: COILCRAFT XAL7030-102ME
C
FBO1
100pF
C
OUT2
100µF
×
6
C
OUT1
2.2µF
×
2
R
FBO1
665k
R
FBO2
210k
R
PF2
10k
10pF
MN4
Si1062X
1M
R3
1k
R4
100k
R
C
2k
C5
1µF
R6
121Ω
R5
88.7k
C
C
4.7nF
R
T1
100k
R2
10k
R1
10k
VCC2P5
PFO
CAPGD
SMBALERT
SCL
SDA
PFO
CAPGD
SMBALERT
SCL
SDA
V
OUT
5V
30W IN BACKUP
TGATE
SW
ICAP
VCAP
CAP_SLCT0
CAP_SLCT1
VCAPP5
3350 TA08
CFP
CAP4
CAP3
CAP2
CAP1
CFN
SGND
PGND
ITST
RT
T
VC
GPI
DRV
CC
INTV
CC
BST
BGATE
+
CAP2 50F
+
CAPRTN
CAPFB