ltc4007eufd-1-trpbf Linear Technology Corporation, ltc4007eufd-1-trpbf Datasheet - Page 8

• Manufacturer Part Number: ltc4007eufd-1-trpbf
• Description: 4a, High Efficiency, Standalone Li-ion Battery Charger
• Manufacturer: Linear Technology Corporation

BLOCK DIAGRA
LTC4007
8
R
CL
Q3
Q1
Q2
L1
V
IN
15nF
5k
20µF
0.1µF
LOBAT
BGATE
FAULT 5
TGATE
CHEM
INFET
SHDN 24
PGND
FLAG
3C4C
DCIN
GND
ACP 3
CLN
CLP
I
CL
23
17
16
18
19
13
20
22
21
1
6
7
8
100mV
CLN
–
+
WATCHDOG
CL1
5.8V
DETECT
OSCILLATOR
+
–
W
g
LOGIC
DCIN
PWM
m
t
OFF
= 1.4m
708mV
1.19V
Ω
CHARGE
1.28V
Q
S
R
MUX
1.105V
+
–
+
–
CLN
EA
OV
–
+
g
m
= 1m
Ω
RESTART
TIMER/CONTROLLER
g
m
÷ 5
I
I
= 1m
REV
CMP
35mV
Ω
BUFFERED ITH
CA2
CA1
–
+
TBAD
–
+
+
–
–
+
–
+
C/10
–
1.19V
THERMISTOR
OSCILLATOR
11.67µA
+
17mV
–
+
9k
397mV
15
14
10
11
2
4
9
0.0047µF
CHG
R
NTC
BAT
CSP
ITH
PROG
T
0.47µF
32.4k
R
6K
RT
3k
3k
0.12µF
R
R
26.7k
SENSE
PROG
10k
NTC
4007 BD
20µF
4007fa