Datasheet

12
LTC1473
TYPICAL APPLICATIONS
U
L1*
1mH
C
TIMER
4700pF
C
TIMER
4700pF
POWER MANAGEMENT µP
R
SENSE
0.033Ω
SMBus
BAT2
8.4V
Li-Ion
BAT1
12V
NiCd
750k
BATTERY CHARGER
DCIN
MBRD340
MMBD914LT1
* COILCRAFT 1812LS-105XKBC
C7
1µF
C8
1µF
500k
TIMER
V
+
V
GG
SW
GND
GA1
SAB1
GB1
SENSE
+
SENSE
–
GA2
SAB2
GB2
LTC1473
Si9926DYSi9926DY
MMBD2838LT1
1473 TA02
16
15
14
13
12
11
10
9
4
5
6
7
8
TIMER
V
+
V
GG
SW
GND
GA1
SAB1
GB1
SENSE
+
SENSE
–
GA2
SAB2
GB2
LTC1473
16
15
14
13
12
11
10
9
4
5
6
7
8
Si9926DY
Si9926DY
IN1
IN2
1
2
3
DIODE
1
2
3
IN1
IN2
DIODE
R
SENSE
0.033Ω
HIGH EFFICIENCY
DC/DC SWITCHING
REGULATOR
Input Power Routing Circuit for Microprocessor Controlled Dual Battery Dual Chemistry System