参数资料
型号: W671540P
厂商: WINBOND ELECTRONICS CORP
元件分类: 模拟传输电路
英文描述: TELECOM-SLIC, PQCC28
封装: PLASTIC, LCC-28
文件页数: 30/42页
文件大小: 1230K
代理商: W671540P
W671500 SERIES
11. TYPICAL APPLICATION CIRCUIT
VRX
VRS
TIP
VFB
BGND
AGND
RING
VTX
-IN
SW+
SW-
BSEL
RD
RTD
CDC
ILIM
E0
F2
F1
F0
W6715XX
V
CC
POL
C
RX
C
RS
C
TX
R
IL
C
FB
R
S
R
SH
C
RT
R
RT
C
POL
C
DC
U
1
R
P1
R
P2
VCC VBL VBH
D
1
C
PS1
C
PS3
C
PS2
TL
R
TL
SWC
DET
ALM
Design Parameters:
Ring Trip Threshold = 76mAPEAK,
Switch Hook Threshold = 12 mA,
Loop Current Limit = 24.6 mA, Synthesize
Device Impedance = (3*66.5k/400 =
498.8, with 49.9 protection resistors,
Impedance across Tip and Ring = 599.
Transient current limit = 95 mA.
FIGURE 15: BASIC APPLICATION CIRCUIT
TABLE 3: BASIC APPLICATION CIRCUIT COMPONENT LIST
COMPONENT
VALUE
TOL
RATING
U1 - Ringing SLIC
W671510
N/A
RTL
18.7K
1%
0.1W
RRT
23.7k
1%
0.1W
RSH
49.9k
1%
0.1W
RIL
71.5k
1%
0.1W
RS
66.5k
1%
0.1W
CRX, CRS, CTX, CRT, CPOL
0.47F
20%
10V
CDC, CFB
4.7F
20%
10V
CPS1
0.1F
20%
>100V
CPS2, CPS3
0.1F
20%
100V
D1
1N400X type with breakdown > 100V.
RP1, RP2 Standard applications will use ≥ 49 per side. Protection resistor values are application dependent
and will be determined by protection requirements.
- 36 -
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