Datasheet

LTC4300A-1/LTC4300A-2
7
4300a12fa
BLOCK DIAGRAM
2-Wire Bus Buffer and Hot Swap Controller
(LTC4300A-2)
100k
RCH1
100k
RCH3
–
+
–
+
0.5pF
UVLO
3SCLIN
4300A2 BD
CONNECT CONNECT
STOP BIT AND BUS IDLE
4
4
GND
20pF
RD
S
QB
0.5μA
0.55V
CC
/
0.45V
CC
–
+
–
+
V
CC2
– 1V
2mA
BACKPLANE-TO-CARD
CONNECTION
CONNECTCONNECT
2 SCLOUT
6SDAIN
8V
CC
BACKPLANE-TO-CARD
CONNECTION
CONNECT
CONNECT
7 SDAOUT
1V
CC2
5 ACC
1V
PRECHARGE
100k
RCH2
100k
RCH4
CONNECT
SLEW RATE
DETECTOR
2mA
SLEW RATE
DETECTOR
2mA
SLEW RATE
DETECTOR
ACC
ACC
2mA
SLEW RATE
DETECTOR
95μs
DELAY,
RISING
ONLY