Datasheet

LTC4223-1/LTC4223-2
21
422312f
C
L1
1000μF
3.3V
3.3V
R4
10k
12V
10A
3.3V
AUX
150mA
12V
OUT
12V
SENSE
12V
GATE
12V
IN
V
CC
AUXIN AUXOUT
12IMON
12ON
AUXON
12PGOOD
FAULT
EN
AUXPGOOD
R
S
4mΩ
Q1
Si7336ADP
12V
3.3V
BACKPLANE
CONNECTOR
CARD
CONNECTOR
TIMER
LTC4223-1
GND
R3
10Ω
C
T
0.1μF
R
G
47Ω
C
G
15nF
PWREN
PWRFLT
GND
BD_SEL
R1
10Ω
R5
10k
R9
10k
Z1
SMAJ13A
422312 TA03
TO SYSTEM
CONTROLLER
3.3V3.3V
CS
1μF
C1
100nF
LTC1197L
V
CC
CLK
D
OUT
+IN
–IN
V
REF
GND
Q2
2N7002K
+
C
L2
150μF
+
R6
10k
3.3V
R8
10k
R2
51Ω
C2
330nF
R7
2.7Ω
C3
100nF
Z2
SMAJ5.0A
Card Resident Application with 12V Power Up First Followed by 3.3V Auxiliary
TYPICAL APPLICATION