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LTC4040 Datasheet(PDF) 11 Page - Analog Devices

Part # LTC4040
Description  2.5A Supercapacitor Backup Power Manager
PDF  26 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTC4040 Datasheet(HTML) 11 Page - Analog Devices

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LTC4041
11
Rev A
For more information www.analog.com
BLOCK DIAGRAM
CHARGER
CTRL
ENABLE
BAL
BUCK/BOOST
SUPERCAP CHARGER
BOOST BACKUP
BOOST
CTRL
+
–
+
–
+
–
+
–
+
–
14
8
13
20
25
12
23
18
21
4
5
22
10
11
L1
2
9
16
15
+
–
6
7
17
CP1
6V
OVERVOLTAGE PROTECTION
PWM
OT
6.2k
INPUT
CCPF
CPF
OVSNS
PFI
PFO
CAPFLT
CAPGD
CAPSEL
GND
CAPFB
4041 BD
PROG
RPROG
RFB1
RFB2
BAL
SCAP
CHGEN
BSTEN
SW
SW
BSTFB
RSTFB
RBFB1
RBFB2
COUT
CSCAP
CSCAP
SYSGD
SYSTEM
VSYS
VSYS
MN2
CLN
IMON AMPLIFIER
AV = 32
IGATE
VIN
MN1
1.19V
6.4k
–20mV
BAL
(SCAP-BAL)
0.74V
CAPFB
10µA
SUPERCAP
FAULT
LOGIC
POWER-FAIL
COMPARARTOR
RPF1
RPF2
19
2.7V
BAL
(SCAP-BAL) OR SCAP
0.8V 0.8V
0.8V
SUPERCAP
BALANCER
0.8V
0.74V
RS
1
24
3
IMON
IMON
2M
2M
+–
+
–
+
–



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