Datasheet

LTC4228-1/LTC4228-2
20
422812f
Figure 11. Card Resident Application with the Output Diode-ORed
Figure 12. Battery Application with the Output Diode-ORed
applicaTions inForMaTion
CPO1
ON1
R2
88.7k
R4
187k
15V
POWER
ADAPTER
SUPPLY
9V
BATTERY
SUPPLY
ON2
EN2
EN1
INTV
CC
GND
C1
0.1µF
C
F1
10nF
C
F2
10nF
C
CP1
0.1µF
C
CP2
0.1µF
C
T2
47nF
C
HG1
15nF
Z1
SMAJ17A
C
T1
47nF
422812 F12
IN1 SENSE1
–
SENSE1
+
DGATE1
M
D1
SiR466DP
M
H1
SiR466DP
LTC4228
R
S1
0.006Ω
M
D2
SiR466DP
M
H2
SiR466DP
R
S2
0.006Ω
HGATE1 OUT1
CPO2 IN2 SENSE2
–
SENSE2
+
DGATE2 HGATE2 OUT2
STATUS1
FAULT1
PWRGD1
PWRGD2
FAULT2
STATUS2
R
H1
10Ω
R
HG1
47Ω
C
HG2
15nF
R
H2
10Ω
R
HG2
47Ω
R1
20k
R3
20k
V
OUT
5A
TMR1
TMR2
Z2
SMAJ17A
+
C
L
1000µF
+
R2
137k
R4
137k
V
IN2
12V
C
F1
0.1µF
C
F2
0.1µF
BACKPLANE
CONNECTOR
CARD
CONNECTOR
R1
20k
R3
20k
V
IN1
12V
CPO1
ON1
EN1
ON2
EN2
INTV
CC
GND
C1
0.1µF
C
CP1
0.1µF
Z1
SMAJ13A
C
CP2
0.1µF
C
T2
47nF
C
L
1000µF
12V
5A
C
T1
47nF
422812 F11
IN1 SENSE1
–
SENSE1
+
DGATE1
M
D1
SiR466DP
M
H1
SiR466DP
LTC4228
R
S1
0.006Ω
M
D2
SiR466DP
M
H2
SiR466DP
R
S2
0.006Ω
HGATE1 OUT1
CPO2 IN2 SENSE2
–
SENSE2
+
DGATE2 HGATE2 OUT2
STATUS1
FAULT1
PWRGD1
TMR1
TMR2
PWRGD2
FAULT2
STATUS2
R5
100k
R6
100k
V
SENSE1
+
Z2
SMAJ13A
R8
100k
R9
100k
V
SENSE2
+
R10
100k
+
C
HG1
15nF
R
H1
10Ω
R
HG1
47Ω
C
HG2
15nF
R
H2
10Ω
R
HG2
47Ω
C
SNUB2
0.1µF
R
SNUB2
10Ω
C
SNUB1
0.1µF
R
SNUB1
10Ω
R7
100k