Datasheet

LTC4020
15
4020fd
For more information www.linear.com/LTC4020
50µA
0.7µA
100k
1.75V
V
FLOAT
2.5V
TRICKLE
+
–
+
–
+
–
+
–
+
–
–
+
–
+
240µ
Ω
+
+
–
+
–
50µA
V_40C2V
V
REF
C/10
CC/CV
TRICKLE
BULK
RESTART
V_0C
270µ
Ω
+
–
270µ
Ω
+
–
+
0.1V
9.3µA
0.45V 14mV
INSTANT-ON
FOLDBACK
DISABLE
CHARGER
1.75V
A
(V)
= 20
2.075V
C/10
BULK
2.125V
RESTART
2.4375V
TIMER/
OSCILLATOR
TERMINATION
AND CONTROL
LOGIC
+
–
+
–
+
–
CHARGER
ENABLED
IDEAL
DIODE
INSTANT
ON
CSOUT
RNG/SS
VFB
V
IN_REG
NTC
TIMER
4020 BDb
CSP
CSN
BGATE
V
FBMIN
BAT
ITH
STAT1
STAT2
MODE
FBG
IC
ACTIVE
block DiagraM
Battery Charger Block Diagram
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