LTC3305_15 Datasheet, PDF (11/28 Pages) Linear Technology – Lead-Acid Battery Balancer

Block Diagram
GATE DRIVE
MUX
V4
2
V3
3
V2
6
V1
7
29 ^ISET
BANDGAP
1.2V
+
REFERENCE
–
MIRROR
28 ^VH
27 ^VL
TERM2
31
TERM1
32
4 ^AUXP
5 ^AUXN
CTOFF
24
25 ^CTON
26 ^CTBAT
UV/OV
TIMERS
TERMINATION
SENSE
COMPARATOR
THERMAL
SHUTDOWN
OT
39
GND
For more information www.linear.com/LTC3305
LTC3305
BOOST
1
CHARGE
PUMP
NO CONNECT 36
CP
37
CM
38
V4
LOW
VOLTAGE
REGULATOR
NGATE1 ₈
NGATE2 ₉
NGATE3 ₁₀
NGATE4 ₁₁
NGATE5 ₁₂
NGATE6 ₁₃
NGATE7 ₁₄
NGATE8 ₁₅
NGATE9 ₁₆
V_{REG 30}
CONTROL
LOGIC
EN2
33
EN1
34
MODE
35
BATX ₁₇
BATY
18
OVFLT
19
UVFLT
20
BAL
21
DONE
22
PTCFLT ₂₃
3305 BD
3305f
11