LTC4080EMSE View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
LTC4080EMSE Datasheet PDF : 20 Pages
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LTC4080
BLOCK DIAGRA
3
EN_CHRG
0.82V
REN
+
– C3
PROG 0.1V
CHARGER
SHUTDOWN
MP3
X1
D1
6
CHRG
2.9V
BAT
4
PROG
RPROG
+
– C2
5
ACPR
C1
CA
–+
MP4
PULSE
1V
LOGIC
0.1V
BADBAT
VCC
C4
3.6V
2
VCC
–+
MA
CHARGER
ENABLE
MP1
X400
R1
D3
115°C
TA
D2
TDIE
1
BAT
VA
1.22V
R2
CHARGE
CONTROL
LOGIC
CHARGER
OSCILLATOR
COUNTER
9
EN_BUCK
0.82V
+
– C6
8
MODE
0.82V
+
– C7
C5
VBAT + 80mV
LINEAR BATTERY CHARGER
ENABLE BUCK
SYNCHRONOUS BUCK CONVERTER
PWM
CONTROL
AND DRIVE
2.25MHz
BUCK
OSCILLATOR
11
GND
Figure 1. LTC4080 Block Diagram
ERROR
AMP
0.8V
MP2
10
SW
MN1
L1
VOUT
CPL R7
7
COUT
FB
R8
4080 BD
4080fb
10
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