PEB3265 Infineon Technologies Corporation, PEB3265 Datasheet - Page 106

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

Preliminary
– Power Consumption Calculation for SLIC-P in Unbalanced Ringing Mode
A similar power calculation is valid for internal unbalanced ringing mode, which is only
available for the SLIC-P.
With the following example:
V
guaran-teed up to 600
Typical ringer load
V
Table 26
in unbalanced ringing mode.
Table 26
P
P
P
P
with
P
(1/60k + 1/216k)
P
V
1)
Data Sheet
DD
RNG
TOT, RingPause
TOT, Ringing
Q
I
G
O
TIP/RING, rms
Values for
= 0.055
=
= (0.5
= I
I
= 5 V,
V
Trans,rms
= 45 Vrms and ringing frequency
V
DD
BATR
shows the power calculation for the total power dissipation
V
V
I
DD
V
I
I
DD
TIP/RING
=
Trans,rms
BATL
SLIC-P Unbalanced Ringing Power Dissipation (typical)
=
= 5 V,
P
I
I
=
+ I
V
Trans,rms
Trans,rms
Q
TIP/RING, rms
P
V
+
= – 30 V,
Q
V
BATR
BATL
P
2
+
I
– (
P
+
I
R
.
V
= – 30 V,
I
I
V
P
RNG
+
BATR
BATR
2
G
cos(
I
P
BATR
+
/I
G
V
= 1000
SQRT(2)/ –
Z
P
I + 0.04
BATH
+
/2)
LD
V
O
Load
BATH
P
+ I
I
2
O
)/60k + (
)
= – 36 V,
V
(
= – 36 V,
I
BATH
Trans
f
=
RNG
I
106
Trans,rms
C
I
V
RNG
= 0 mA)
= 20 Hz.
BATR
V
I
BATR
BATH
V
= 3.7 F, required ringing voltage
BATR
2
= – 150 V,
– 80
V
+ I
DD
= – 150 V and line feeding is
V
2
BATL
)
T
J
I
Operational Description
= 25 °C
I
BATL
P
TOT
644 mW
2756 mW
349 mW
160 mW
295 mW
1952 mW
of the SLIC-P
2000-07-14
DuSLIC
1)