English
Language : 

LTC3350_15 Datasheet, PDF (41/46 Pages) Linear Technology – High Current Supercapacitor Backup Controller and System Monitor
◁
LTC3350
Typical Applications
Application Circuit 4. 11V to 35V, 4A Supercapacitor Charger with 2A Input Current Limit and 10V, 1A Backup Mode
PFO
CAPGD
SMBALERT
SCL
SDA
VIN
11V TO 35V
C1
0.1µF
RPF1
806k
VDD
RPF2
R1 R2 R3 100k
10k 10k 10k
MN1
SiR426DP
RSNSI
0.016Ω
C2
1µF
VIN INFET VOUTM5 VOUTSP VOUTSN OUTFET
PFI
OUTFB
DRVCC
INTVCC
PFO
CAPGD
SMBALERT
SCL
SDA
BST
TGATE
SW
VCC2P5
BGATE
LTC3350
R4
100k
CAP_SLCT0
ICAP
C5
CAP_SLCT1
1µF
GPI
VC
T
RT1
100k
RT
ITST
CC
R5
R6
10nF 107k 121Ω
SGND
PGND
VCAP
CFP
CFN
VCAPP5
CAP4
CAP3
CAP2
CAP1
CAPRTN
CAPFB
VOUT
10V
10W IN BACKUP
DB
1N4448HWT
CB
0.1µF
CFBO1
100pF
C4
0.1µF
RFBO1
665k
RFBO2
90.9k
C3
4.7µF
MN2
SiR426DP
MN3
SiR426DP
+ COUT1
82µF
COUT2
10µF
×2
D1
DFLS240
L1
4.7µH
RSNSC
0.008Ω
D2
DFLS240
CCAP
47µF
CF
0.1µF
C6
220pF
CCP5
0.1µF
RCAP4 2.7Ω
RCAP3 2.7Ω
RCAP2 2.7Ω
RCAP1 2.7Ω
RCAPRTN 2.7Ω
+
CAP4 10F
+
CAP3 10F
+
CAP2 10F
+
CAP1 10F
RFBC1
590k
RFBC2
118k
3350 TA05
CAP1-4: NESSCAP ESHSR-0010C0-002R7
L1: VISHAY IHLP5050FDER47MO1
Application Circuit 5. 11V to 20V, 4A Supercapacitor Charger with 2A Input Current Limit and 5V, 2A Backup Mode
PFO
CAPGD
SMBALERT
SCL
SDA
VIN
11V TO 20V
C1
0.1µF
RPF1
806k
VDD
RPF2
R1 R2 R3 100k
10k 10k 10k
MN1
SiR412DP
RSNSI
0.016Ω
C2
1µF
VIN INFET VOUTM5 VOUTSP VOUTSN OUTFET
PFI
OUTFB
DRVCC
INTVCC
PFO
CAPGD
SMBALERT
SCL
SDA
BST
TGATE
SW
VCC2P5
BGATE
LTC3350
R4
100k
CAP_SLCT0
ICAP
C5
CAP_SLCT1
1µF
GPI
VC
T
RT1
100k
RT
ITST
CC
R5
R6
10nF 107k 121Ω
SGND
PGND
VCAP
CFP
CFN
VCAPP5
CAP4
CAP3
CAP2
CAP1
CAPRTN
CAPFB
DB
1N4448HWT
CB
0.1µF
CFBO1
100pF
C4
0.1µF
RFBO1
665k
RFBO2
210k
C3
4.7µF
MN2
SiR426DP
MN3
SiR426DP
+
COUT1
82µF
MN4
SiR412DP
COUT2
10µF
×2
VOUT
5V
10W IN BACKUP
D1
DFLS240
L1
4.7µH
RSNSC
0.008Ω
D2
DFLS240
CCAP
47µF
CF
0.1µF
C6
220pF
CCP5
0.1µF
RCAP4 2.7Ω
RCAP3 2.7Ω
RCAP2 2.7Ω
RCAP1 2.7Ω
RCAPRTN 2.7Ω
+
CAP4 10F
+
CAP3 10F
+
CAP2 10F
+
CAP1 10F
RFBC1
590k
RFBC2
118k
3350 TA06
CAP1-4: NESSCAP ESHSR-0010C0-002R7
L1: VISHAY IHLP5050FDER47MO1
3350fb
For more information www.linear.com/LTC3350
41
 ▷