PEB3265 Infineon Technologies Corporation, PEB3265 Datasheet - Page 101

• Manufacturer Part Number: PEB3265
• Description: (PEB326x / PEB426x) Dual Channel Slicofi-2 / Slic Duslic
• Manufacturer: Infineon Technologies Corporation

Preliminary
Figure 43
4.7.3.4
Internal Balanced Ringing (SLIC-E/-E2 and SLIC-P)
The SLIC-E/-E2/-P internal balanced ringing facility requires a higher supply voltage
(auxiliary voltage
stage of the SLIC-E/-E2/-P. The output stage power dissipation
Table
and
The minimum auxiliary voltage
calculated using:
V
The crest factor is defined as peak value divided by RMS value (here always 1.41
because sinusoidal ringing is assumed).
V
V
V
Data Sheet
HR
RNG,DC
DROP
RNG,PEAK
– V
C
RNG
25) depends on the ring amplitude (
BATH
), the ring frequency (via cos
350
300
250
200
150
100
50
Ringing Modes
= V
Superimposed DC voltage for Ring trip detection (10 to 20 V)
Sum of voltage drops in SLIC buffers
Peak ring voltage at Tip/Ring
0
SLIC-P Power Dissipation (Switched Battery Voltage, Short Loops)
RNG,PEAK
V
HR
). The highest share of the total power is dissipated in the output
+ V
RNG,DC
V
+ V
HR
DROP
necessary for a required ring amplitude can be
L
) and the line length (
= V
101
V
R
RNG,PEAK
Line
RNG,RMS
[ ]
(Table
), the equivalent ringer load (
crest factor + V
17)
Operational Description
R
L
duslic_0003_powerdiss.emf
).
P
RNG,DC
O
(see
+ V
2000-07-14
Table
DROP
DuSLIC
R
RNG
24,