LTC3350
41
3350fc
For more information
www.linear.com/LTC3350
Typical applicaTions
Application Circuit 4. 11V to 35V, 4A Supercapacitor Charger with 2A Input Current Limit and 10V, 1A Backup Mode
Application Circuit 5. 11V to 20V, 4A Supercapacitor Charger with 2A Input Current Limit and 5V, 2A Backup Mode
V
IN
V
DD
V
IN
11V TO 35V
INFET
MN1
SiR426DP
MN2
SiR426DP
L1
4.7µH
R
SNSC
0.008Ω
R
CAP1
2.7Ω
R
CAP2
2.7Ω
R
CAP3
2.7Ω
R
CAP4
2.7Ω
R
CAPRTN
2.7Ω
MN3
SiR426DP
R
SNSI
0.016Ω
VOUTM5VOUTSP
LTC3350
VOUTSN OUTFET
OUTFB
PFI
C1
0.1µF
C2
1µF
R
PF1
806k
D
B
1N4448HWT
C
B
0.1µF
C3
4.7µF
D1
DFLS240
C4
0.1µF
C
CAP
47µF
R
FBC1
590k
R
FBC2
118k
C
F
0.1µF
C
CP5
0.1µF
CAP1 10F
CAP1-4: NESSCAP ESHSR-0010C0-002R7
L1: VISHAY IHLP5050FDER47MO1
C
FBO1
100pF
C
OUT2
10µF
×
2
C
OUT1
82µF
R
FBO1
665k
R
FBO2
90.9k
R
PF2
100k
R3
10k
R4
100k
C5
1µF
R6
121Ω
R5
107k
C
C
10nF
R
T1
100k
R2
10k
R1
10k
VCC2P5
PFO
CAPGD
SMBALERT
SCL
SDA
PFO
CAPGD
SMBALERT
SCL
SDA
V
OUT
10V
10W IN BACKUP
TGATE
SW
ICAP
VCAP
CAP_SLCT0
CAP_SLCT1
VCAPP5
3350 TA05
CFP
CAP4
CAP3
CAP2
CAP1
CFN
SGND
PGND
ITST
RT
T
VC
GPI
DRV
CC
INTV
CC
BST
C6
220pF
BGATE
+
CAP2 10F
+
CAP3 10F
+
CAP4 10F
+
+
CAPRTN
CAPFB
D2
DFLS240
V
IN
V
DD
V
IN
11V TO 20V
INFET
MN1
SiR412DP
MN2
SiR426DP
MN4
SiR412DP
L1
4.7µH
R
SNSC
0.008Ω
R
CAP1
2.7Ω
R
CAP2
2.7Ω
R
CAP3
2.7Ω
R
CAP4
2.7Ω
R
CAPRTN
2.7Ω
MN3
SiR426DP
R
SNSI
0.016Ω
VOUTM5VOUTSP
LTC3350
VOUTSN OUTFET
OUTFB
PFI
C1
0.1µF
C2
1µF
R
PF1
806k
D
B
1N4448HWT
C
B
0.1µF
C3
4.7µF
D1
DFLS240
C4
0.1µF
C
CAP
47µF
R
FBC1
590k
R
FBC2
118k
C
F
0.1µF
C
CP5
0.1µF
CAP1 10F
CAP1-4: NESSCAP ESHSR-0010C0-002R7
L1: VISHAY IHLP5050FDER47MO1
C
FBO1
100pF
C
OUT2
10µF
×
2
C
OUT1
82µF
R
FBO1
665k
R
FBO2
210k
R
PF2
100k
R3
10k
R4
100k
C5
1µF
R6
121Ω
R5
107k
C
C
10nF
R
T1
100k
R2
10k
R1
10k
VCC2P5
PFO
CAPGD
SMBALERT
SCL
SDA
PFO
CAPGD
SMBALERT
SCL
SDA
V
OUT
5V
10W IN BACKUP
TGATE
SW
ICAP
VCAP
CAP_SLCT0
CAP_SLCT1
VCAPP5
3350 TA06
CFP
CAP4
CAP3
CAP2
CAP1
CFN
SGND
PGND
ITST
RT
T
VC
GPI
DRV
CC
INTV
CC
BST
C6
220pF
BGATE
+
CAP2 10F
+
CAP3 10F
+
CAP4 10F
+
+
CAPRTN
CAPFB
D2
DFLS240