LTC1731-4.2 Linear Technology, LTC1731-4.2 Datasheet - Page 4

• Manufacturer Part Number: LTC1731-4.2
• Description: Lithium-Ion Linear Battery Charger Controller
• Manufacturer: Linear Technology

LTC1731-4.2
BLOCK DIAGRA
4
2
3
BATTERY CURRENT I
TIMER
CHRG
100 A
BAT
W
= (2.457V • 800 )/(R
SHDN
C/10
C3
OSCILLATOR
LOGIC
STOP
+
–
V
REF
C/10
SLP
PROG
+
–
• R
A1
COUNTER
SENSE
)
C1
+
–
V
CC
7
5
80
720
R
PROG
PROG
V
CC
2.5 A
LBO
800
–
+
CA
CHARGE
C2
VA
C4
+
–
–
+
–
+
2.457V
V
REF
GND
+
–
54mV
SENSE
4
DRV
BAT
1731 BD
8
6
1
R
SENSE