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參數(shù)資料
| 型號(hào)： | PBL38773/1ML |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類： | 模擬傳輸電路 |
| 英文描述： | TELECOM-SLIC, PQCC32 |
| 封裝： | PLASTIC, VQFN-32 |
| 文件頁數(shù)： | 3/64頁 |
| 文件大小： | 1052K |
| 代理商： | PBL38773/1ML |
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Ringing FlexiSLIC
PBL 38773/1
Pin Configuration
Data Sheet
11
DS1, 2003-06-18
7
28
TIPX
O
The TIPX pin connects to the tip lead of the
two-wire interface via over voltage protection
components.
8
30
VTBAT
I
Talk Battery. The DC loop current is supplied
to TIPX and RINGX from this battery voltage.
Negative with respect to BGND.
9
31
VBAT
I
On-hook and Ringing Battery supply voltage.
Negative with respect to BGND.
10
32
VTB
I
Internal SLIC bias voltage. Connected to the
talk battery supply. Refer to the application
diagram in Figure 8. May be connected to
any voltage between -32 V and -10 V.
11
2
LP
I
Low Pass saturation guard filter capacitor
C
LP
connects between this pin and VTBAT to filter
out noise and improve
PSRR.
12
4
NC
-
Must be left open
15
5
CRING
I
The capacitor
C
RING connects between this
pin and AGND. Required for the ring loop.
16
6
REF
I
A 15 k
resistor connected between this pin
and AGND sets an internal SLIC reference
current. The value must not be changed.
17
7
PLC
I
Programmable Line Current. The constant
current DC feed is programmed by a resistor
,
R
LC ,connected from this pin to AGND.
18
8
PRT
O
Programmable Ring-trip Resistor,
R
RT
,connected between this pin and AGND. The
capacitor,
C
RT , together with resistor, RRT,
filters the ring-trip detector.
19
9
PLD
O
Programmable Loop detector threshold. The
loop detection threshold is set by a resistor,
R
LD, between this pin and AGND.
20
10
VCC
I
+5 V power supply.
Table 1
Pin Definition and Functions (cont’d)
SOIC
Pin No.
MLP
Pin No.
Name
I/O
Function
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PBL38773/1SO | TELECOM-SLIC, PDSO28 |
| PC-PVC-271K | 1 ELEMENT, 270 uH, GENERAL PURPOSE INDUCTOR |
| PC-PVC-270K | 1 ELEMENT, 27 uH, GENERAL PURPOSE INDUCTOR |
| PC-PVC-331K | 1 ELEMENT, 330 uH, GENERAL PURPOSE INDUCTOR |
| PC-PVC-392K | 1 ELEMENT, 3900 uH, GENERAL PURPOSE INDUCTOR |
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