HC55180 Datasheet, PDF (17/19 Pages) Intersil Corporation – Extended Reach Ringing SLIC Family

HC55180, HC55181, HC55182, HC55183, HC55184
C_PS1
C_PS2
C_PS3
D₁
R_P1
R_P2
C_RT
R_RT
VCC VBL VBH
VRX
TIP
U_{1 VRS}
HC55181
RING
VTX
SW+
SW-
RTD
-IN
VFB
C_RX
C_RS
C_TX
R_S
C_FB
R_SH
R_IL
V_CC
C_DC
C_POL
RD
ILIM
CDC
POL
AGND
SWC
BSEL
E0
F0
F1
F2
DET
ALM
BGND
C_PS1
C_PS2
C_PS3
D₁
R_P1
R_P2
C_RT
R_RT
VCC VBL VBH
VRX
TIP
U_{1 VRS}
HC55182
RING
VTX
SW+
SW-
RTD
-IN
VFB
C_RX
C_RS
C_TX
R_S
C_FB
R_SH
R_IL
V_CC
C_DC
RD
ILIM
CDC
AGND
SWC
BSEL
E0
F0
F1
F2
DET
ALM
BGND
FIGURE 15. HC55181 BASIC APPLICATION CIRCUIT
C_PS1
C_PS2
C_PS3
D₁
R_P1
R_P2
C_RT
R_RT
R_SH
R_IL
V_CC
C_DC
VCC VBL VBH
VRX
TIP
U_{1 VRS}
HC55183
RING
VTX
RTD
RD
ILIM
CDC
AGND
-IN
VFB
BSEL
E0
F0
F1
F2
DET
ALM
BGND
C_RX
C_RS
C_TX
R_S
C_FB
FIGURE 16. HC55183 BASIC APPLICATION CIRCUIT
44
FIGURE 17. HC55182 BASIC APPLICATION CIRCUIT
C_PS1
C_PS2
C_PS3
D₁
R_P1
R_P2
C_RT
R_RT
R_SH
R_IL
V_CC
C_DC
C_POL
VCC VBL VBH
VRX
TIP
U_{1 VRS}
HC55184
RING
VTX
RTD
RD
ILIM
CDC
POL
AGND
-IN
VFB
BSEL
E0
F0
F1
F2
DET
ALM
BGND
C_RX
C_RS
C_TX
R_S
C_FB
FIGURE 18. HC55184 BASIC APPLICATION CIRCUIT