LTC4056-4.2
6
405642f
–
+
–
+
4056-4.2 BD
LTC4056-4.2
110mΩ
V
CC
100Ω
12µA
CHRG
I
SENSE
R
PROG
1.2V
UVLO
COUNTER
OSCILLATOR
TIMER/SHDN
SHDN
LOGIC
CHRG
SHDN SHDN
SHDN
UV
IA
CA
1V
REF
1.2V VOLTAGE
REFERENCE
OUTPUT
DRIVER
TEMPERATURE
AND
CURRENT LIMIT
DRIVE
BAT
–
+
VA
+
–
C1
I
TRIKL
20 • I
PROG
I
PROG
7µA
+
20µA
PROG
GND
5 4
6
3
2
1
8
7
BLOCK DIAGRA
W
