
Preliminary Data Sheet
September 2001
High-Voltage Ringing SLIC for VoIP Applications
L9500A
Agere Systems Inc.
27
ac Applications
(continued)
Design Examples
(continued)
Table 21. Parts List L9500; Agere L9500 and Broadcom BCM3352 (per Broadcom BCM93552SV Application
Board—SLIC Daughter Boad Components); Fully Programmable
Name
Fault Protection
R
PT
R
PR
Protector
Power Supply
C
BAT1
C
BAT2
D
BAT1
C
CC
Ferrite
Bead
C
F1
C
F2
Ring Trip
C
RT
R
RT
ac Interface
R
GX
C
TX
C
C1
R
4
R
5
R
6
R
7
R
8
R
DET
Value
Tolerance
Rating
Function
50
50
1%
1%
—
Fusible or PTC Protection resistor.
Fusible or PTC Protection resistor.
—
Secondary protection.
Agere L7591
0.1
μ
F
0.1
μ
F
1N4004
0.47
μ
F
600
,
Murata
BLM11A601SPB
0.22
μ
F
0.1
μ
F
20%
20%
—
20%
—
100 V
50 V
—
10 V
—
V
BAT
filter capacitor.
V
BAT
filter capacitor. |V
BAT2
| < |V
BAT1
|.
Reverse current.
Ceramic bypass capacitor.
Filtering.
20%
20%
100 V
100 V
Filter capacitor.
Filter capacitor.
0.1
μ
F
383 k
20%
1%
10 V
1/16 W
Ring trip filter capacitor.
Ring trip filter resistor.
4750
0.47
μ
F
0.1
μ
F
78.7 k
174 k
88.7 k
54.9 k
88.7 k
10 k
1%
20%
20%
1%
1%
1%
1%
1%
1%
1/16 W
10 V
10 V
1/16 W
1/16 W
1/16 W
1/16 W
1/16 W
1/16 W
Sets T/R to VITR transconductance.
ac/dc separation.
dc blocking capacitor.
ac interface.
ac interface.
ac interface.
ac interface.
ac interface.
Control.