Datasheet

LTC4012/
LTC4012-1/LTC4012-2
10
4012fa
block DiagraM
–
–
–
+
–
+
19
EA
R1
TO INTERNAL
CIRCUITS
TO
INTERNAL
CIRCUITS
CC
–
+
CA
1.2085V
REFERENCE
5V
REGULATOR
PWM
LOGIC
FAULT
DETECTION
C/10
DETECTION
SHUTDOWN
CONTROL
OSCILLATOR
BAT
SHUTDOWN
CHARGE
INPUT
CURRENT
LIMIT
TGATE
20
BOOST
12
ITH
13
PROG
14
CSN
15
CSP
18
SW
21
GND
(PADDLE)
4012 BD01
16
BGATE
17
INTV
DD
TO
INTERNAL
CIRCIUTS
11
V
FB
9
CHRG
7
FBDIV
10
ACP
6
SHDN
ICL
8
CLP
CLN
2
1
INFET
3
DCIN
4
+
–
IF
5
(LTC4012)