LTC4425EDD#PBF Linear Technology, LTC4425EDD#PBF Datasheet - Page 16

• Manufacturer Part Number: LTC4425EDD#PBF
• Description: IC SUPERCAP CHARGER 12-DFN
• Manufacturer: Linear Technology

Specifications of LTC4425EDD#PBF

• 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: 12-DFN
• Battery Type: Li-Ion/Li-Pol
• Output Current: 3A
• Output Voltage: 5.5V
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 5.5V
• Operating Temp Range: -40C to 125C
• Mounting: Surface Mount
• Pin Count: 8
• Operating Temperature Classification: Automotive
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

LTC4425
TYPICAL APPLICATIONS
16
12V
D1: 1N4148
D2: MBRM140
CSP1, CSP2: CAP-XX HS203F
1μF
V
SHDN
IN
RT
12V
75k
2.2μF
LT3505
GND
ON
BOOST
OFF
28.7k
V
SW
C
FB
69.8k
70pF
RUN
I
GND
V
LIM
IN
LT3663
12V Input to 5V Outputs with Input Voltage Monitoring
D2
0.1μF
10μH
BOOST
I
SENSE
V
OUT
SW
12V to 5V/3.3V High Peak Power Supply
FB
61.1k
11.3k
D1
59k
11k
D1
0.1μF
1.5M
68pF
V
6.8μH D1: DFLS240
OUT
22μF
μC
(5V)
R8
1.2M
10μF
CSP1, CSP2:
μC
FB
PFI
PFI_RET
PFO
EN
V
SEL
IN
5V INSTANT-ON
5V
R7
1.5M
R8
1.2M
LTC4425
V
PFI
PFI_RET
PFO
SEL
EN
GND
IN
LTC4425
PROG
GND
V
V
OUT
MID
4425 TA07
PROG
V
V
OUT
MID
FB
R6
2k
C
1F
C
1F
SP1
SP2
R6
2k
5V
HIGH-PEAK POWER,
OR BACKUP SUPPLY
3.3V
C
1F
C
1F
SP1
SP2
4425 TA06
2.1M
1.2M
HIGH PEAK-
POWER LOAD
4425f