LTC4425IDD#TRPBF Linear Technology, LTC4425IDD#TRPBF Datasheet - Page 15

• Manufacturer Part Number: LTC4425IDD#TRPBF
• Description: IC SUPERCAP CHRGR DIO/MON 12DFN
• Manufacturer: Linear Technology

Specifications of LTC4425IDD#TRPBF

• Applications: Supercapacitor Charger
• Current - Supply: 20µA
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TYPICAL APPLICATIONS
USB
V
5V
IN
L1: COILCRAFT LPS4018-332MLC
M1: SILICONIX Si2333
R2: VISHAY-DALE NTHS0603N011-N1003F
C1, C3: MURATA GRM21BR61A106KE19
C2: MURATA GRM188R71C104KA01
CSC: CAP-XX HS203F
C1
10μF
0805
2.2μF
μC
R1
100k
R2
100k
1.5M
1.2M
μC
V
PFI
PFI_RET
PFO
SEL
EN
IN
C2
0.1μF
0603
8.2Ω
LTC4425
R5
GND
V
CHRG
NTC
D0
D1
D2
BUS
CLPROG
PROG
R3
2.94k
V
V
OUT
MID
FB
High Current USB Charging with Power Path Control
PROG
LTC4088
V
IN
R4
2k
2k
3.3V Peak-Power/Back-up Supply
C/X
C
0.55F
HS203F
SC
10μF
SW
LDO3V3
GND
GATE
V
BAT
OUT
3.3μH
≈5V
L1
OFF
33.2k
ON
+
M1
LI-Ion
SGND
SW1
PV
V
RUN/SS
R
IN
T
IN
LTC3533
C3
10μF
0805
2.2μH
INSTANT-ON
μC
BURST
PV
PGND
V
5V
V
SW2
IN
OUT
OUT
V
FB
R7
1.5M
R8
1.2M
C
V
PFI
PFI_RET
PFO
SEL
EN
IN
200k
4.7pF
107k
LTC4425
330pF
GND
0.1μF
PROG
V
V
340k
200k
OUT
MID
FB
LTC4425
6.49k
V
4425 TA05a
IN
47pF
R6
2k
4425 TA05
100μF
C
0.55F
HS203F
V
3.3V
1.5A
SC
LOAD
OUT
15
4425f