LTC4223-2 Linear Technology, LTC4223-2 Datasheet - Page 21

• Manufacturer Part Number: LTC4223-2
• Description: Dual Supply Hot Swap Controller
• Manufacturer: Linear Technology

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