HC5503PRC_14 Datasheet, PDF (2/11 Pages) Intersil Corporation – Low Cost SLIC For Large Telecom Switches

Block Diagram
HC5503PRC
RD
RFS
C₂
TIP
TF
RING
RF
RING RELAY
DRIVER
RING TRIP
DETECTOR
2-WIRE
INTERFACE
V_BAT
V_CC
AGND
BGND
DGND
BIAS
LOOP CURRENT
DETECTOR
THERMAL LIMIT
4-WIRE
INTERFACE
VF SIGNAL
PATH
LOGIC
INTERFACE
+
-
TX
RX
SHD
RS
RC
PD
C1
OUT
+IN
-IN
2