Datasheet

LTC4300A-1/LTC4300A-2
6
4300a12fa
BLOCK DIAGRAM
2-Wire Bus Buffer and Hot Swap™ Controller
(LTC4300A-1)
100k
RCH1
100k
RCH3
–
+
5
–
+
0.5pF
READY
1ENABLE
UVLO
3SCLIN
4300A1 BD
CONNECT
STOP BIT AND BUS IDLE
4
4
GND
CONNECT
20pF
RD
S
QB
0.5μA
0.55V
CC
/
0.45V
CC
–
+
–
+
V
CC
– 1V
2mA
95μs
DELAY,
RISING
ONLY
BACKPLANE-TO-CARD
CONNECTION
CONNECTCONNECT
2 SCLOUT
6SDAIN
BACKPLANE-TO-CARD
CONNECTION
CONNECT
CONNECT
7 SDAOUT
8V
CC
1V
PRECHARGE
100k
RCH2
100k
RCH4
SLEW RATE
DETECTOR
2mA
SLEW RATE
DETECTOR
2mA
SLEW RATE
DETECTOR
2mA
SLEW RATE
DETECTOR
CONNECT
ENABLE