Datasheet

LTC4227
18
422712fa
For more information www.linear.com/LTC4227
applicaTions inForMaTion
BACKPLANE
CONNECTOR
V
MAIN
3.3V
V
AUX
3.3V
CARD
CONNECTOR
CPO1
D2ON
ON
FAULT
PWRGD
C
L
100µF
3.3V
5A
INTV
CC
Z2
SMAJ7A
GND
IN1 DGATE1 DGATE2
LTC4227
4227 F08
M
D2
SiR462DP
M
H
Si7336ADP
R
S
0.008Ω
HGATE OUTSENSE
+
SENSE
–
CPO2
C
CP2
0.1µF
IN2
+
R3
10k
R4
10k
R5
20k
R6
28.7k
C
CP1
0.1µF
C1
0.1µF
M
D1
SiR462DP
EN
C
T
0.1µF
C
F1
0.1µF
Z1
SMAJ7A
TMR
C
F2
10nF
R1
20k
R2
22.1k
BACKPLANE
CONNECTOR
V
IN1
5V
V
IN2
5V
CARD
CONNECTOR
CPO1
ON
FAULT
PWRGD
C
L
100µF
5V
10A
INTV
CC
Z2
SMAJ13A
GND
D1: GREEN LED LN1351C
D2: RED LED LN1261CAL
IN1 DGATE1 DGATE2
LTC4227
4227 F09
M
D2
SiR462DP
M
H
Si7336ADP
R
S
0.004Ω
HGATE OUTSENSE
+
SENSE
–
CPO2
C
CP2
0.1µF
IN2
+
R4
2.7k
D2
R3
2.7k
C
CP1
0.1µF
C
SNUB1
0.1µF
M
D1
SiR462DP
EN
PWREN
C
T
47nF
C1
0.1µF
Z1
SMAJ13A
TMRD2ON
R
SNUB1
10Ω
C
SNUB2
0.1µF
R
SNUB2
10Ω
R1
10k
D1
Figure 8. Plug-In Card IN1 Supply Controls the IN2 Supply Turn-On Via D2ON Pin
Figure 9. 5V, 10A Card Resident Application