LTC4223 LINER [Linear Technology], LTC4223 Datasheet - Page 19
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LTC4223
Manufacturer Part Number
LTC4223
Description
Dual Ideal Diode and Hot Swap Controller
Manufacturer
LINER [Linear Technology]
Datasheet
1.LTC4223.pdf
(24 pages)
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applicaTions inForMaTion
V
3.3V
V
12V
IN1
IN2
CONNECTOR
BACKPLANE
Figure 9. An Application with the Hot Swap MOSFET on the Supply Side and the Ideal Diode MOSFET on the Load Side
V
12V
IN1
PWREN1
PWREN2
CARD
CONNECTOR
V
12V
IN2
BULK
SUPPLY
BYPASS
CAPACITOR
C1
0.1µF
Figure 10. Plug-In Card Supply Holdup Using Ideal Diode at 12V and 3.3V Input Supplies
137k
BULK
SUPPLY
BYPASS
CAPACITOR
20k
20k
28k
R2
R1
R3
R4
ON1
INTV
GND
ON2
CPO1
CPO2
CC
C
0.1µF
C
0.1µF
CP1
CP2
C
0.1µF
C
0.1µF
F1
F2
IN1
IN2
Z1
SMAJ13A
Z2
SMAJ13A
C1
0.1µF
SENSE1
SENSE2
EN1
ON1
INTV
GND
ON2
EN2
CPO1
CPO2
0.006
0.006
R
+
R
+
S1
S2
CC
SENSE1
SENSE2
C
0.1µF
C
0.1µF
CP1
CP2
IN1
IN2
–
LTC4228
–
SiR466DP
SiR466DP
HGATE1
HGATE2
Z
M
SiR468DP
M
SiR158DP
H1
DGATE2
DGATE1
H1
H2
M
, Z
R
10
R
10
M
D2
H1
H2
D1
D1
, Z
H2
SENSE1
Z
SENSE2
Z
R
47
H2
, Z
H1
HG2
C
15nF
HG2
D2
R
47
Z
0.003
HG1
C
15nF
0.015
Z
: CMHZ4706
LTC4228
D2
D1
HG1
R
R
+
+
S1
S2
SENSE1
SENSE2
SiR466DP
SiR466DP
DGATE1
DGATE2
M
M
–
D1
D2
–
SiR158DP
SiR468DP
HGATE1
HGATE2
PWRGD2
STATUS1
PWRGD1
STATUS2
M
M
FAULT1
FAULT2
H2
H1
OUT1
OUT2
TMR1
TMR2
R
10
EN2
EN1
H1
OUT2
LTC4228-1/LTC4228-2
R
47
C
47nF
HG1
C
15nF
T2
HG1
STATUS1
PWRGD1
PWRGD2
STATUS2
FAULT2
OUT1
FAULT1
TMR1
TMR2
+
C
47nF
T1
422812 F10
C
100µF
+
L2
BACKPLANE
C
0.1µF
D1, D3: GREEN LED LN1351C
D2: RED LED LN1261CAL
T2
R5
2.7k
D1
C
1000µF
L1
3.3V
2A
PLUG-IN
PLUG-IN
CARD 1
CARD 2
C
22nF
R6
2.7k
T1
D2
V
SENSE1 +
+
422812 F09
R8
2.7k
12V
10A
+
D1
R7
2.7k
D3
C
1000µF
C
1000µF
L1
L2
12V
5A
12V
5A
R9
2.7k
D2
19
V
SENSE2 +
422812f
R10
2.7k
D3