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Part Name
Description
LTC4007(RevA) View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC4007
(Rev.:RevA)
4A, High Efficiency, Standalone Li-Ion Battery Charger
Linear Technology
LTC4007 Datasheet PDF : 24 Pages
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LTC4007
BLOCK DIAGRA
0.1
µ
F
V
IN
DCIN
1
INFET
5.8V
Q3
23
ACP 3
SHDN 24
FAULT 5
FLAG 17
GND
6
3C4C 7
CHEM 16
CLN
MUX
TIMER/CONTROLLER
OSCILLATOR
2
CHG
4
R
T
R
RT
RESTART
TBAD
THERMISTOR
NTC
32.4k
9
0.47
µ
F
10k
NTC
397mV
C/10
35mV
11.67
µ
A
BAT
3k
15
–
LOBAT 8
708mV
1.19V
5k
R
CL
15nF
CLP
18
–
100mV
CL1
CLN
19
+
g
m
= 1.4m
Ω
1.105V
+
+
EA
–
g
m
= 1m
Ω
I
CL
13
DCIN
20
µ
F
OSCILLATOR
WATCHDOG
DETECT
t
OFF
1.28V
CLN
+
OV
–
TGATE
Q1
20
S
Q
R
R
SENSE
20
µ
F
CA1
CSP
3k
14
g
m
= 1m
Ω
CA2
9k
1.19V
BUFFERED ITH
÷
5
ITH
10
6K
0.12
µ
F
–+
I
CMP
BGATE
Q2
22
PGND
21
L1
PWM
CHARGE
LOGIC
I
REV
17mV
PROG
11
0.0047
µ
F
R
PROG
26.7k
4007 BD
4007fa
8
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