Datasheet

LTC3300-1
33
33001fb
For more information www.linear.com/LTC3300-1
APPLICATIONS INFORMATION
Figure 12. Adding External Buck DC/DC for >40mA V
REG
Drive
4.8V
LINEAR
VOLTAGE
REGULATOR
V
REG
C
OUT
R
FB2
V
–
LTC3300-1
C6
5V
I
OUT
> 40mA
L
R
FB1
C
IN
33001 F12
SW
GND
V
IN
BUCK
DC/DC
FB
Figure 11. Battery Stack Connections For 5, 4 or 3 Cells
+
CELL n + 4
•
•
•
•
•
•
+
CELL n + 3
+
CELL n + 2
+
CELL n + 1
+
CELL n
C6
LTC3300-1
(11a) Sub-Stack Using Only 5 Cells (11b) Sub-Stack Using Only 4 Cells (11c) Sub-Stack Using Only 3 Cells
V
–
C5
C4
C3
C2
C1
+
•
•
•
•
•
•
+
CELL n + 3
+
CELL n + 2
+
CELL n + 1
CELL n
C6
LTC3300-1
V
–
C5
C4
C3
C2
C1
+
•
•
•
•
•
•
+
+
CELL n + 2
CELL n + 1
CELL n
33001 F11
C6
LTC3300-1
V
–
C5
C4
C3
C2
C1