LTC4065LX_15 Datasheet, PDF (8/18 Pages) Linear Technology – Standalone 250mA Li-Ion Battery Charger

LTC4065L/
LTC4065LX/LTC4065L-4.1
SIMPLIFIED BLOCK DIAGRAM
T_DIE
115°C
EN
5
R_ENB
0.82V
+
C1
–
+
D3
TA
–
M2
1×
SHUTDOWN
D1
V_CC
4
V_CC
PROG 0.1V
REF
1.2V
R3
1V
CHRG
2
C/10
2.9V
BAT
R4
0.1V
R5
–
LOBAT
+
TRICKLE CHARGE DISABLED ON THE LTC4065LX
CA
–+
MP
–+
MA
ENABLE
PROG
6
R_PROG
+
M1
205×
C2
3.6V –
D2
R1
VA
UVLO
BAT
3
+
1.2V
CHARGE CONTROL
R2
LOGIC
COUNTER
GND
1
SHUTDOWN
OSCILLATOR
4056L F01
Figure 1. LTC4065L Block Diagram
4065lfb
8