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| 型号： | CPC1465DTR |
| 厂商： | CLARE INC |
| 元件分类： | 通信及网络 |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PDSO16 |
| 封装： | ROHS COMPLIANT, SOIC-16 |
| 文件页数： | 3/15页 |
| 文件大小： | 475K |
| 代理商： | CPC1465DTR |
R02
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11
2.5 Photo-Diode (PD) Output Behavior
Output from the PD pin provides a minimum of 0.2 mA
of photo-diode drive current for the opto-coupler LED
anytime sealing current exceeds 1 mA.
Because LED current is interrupted whenever loop
current is interrupted, the opto-coupler provides an
excellent means of indicating loop availability for
designs with a sealing current requirement.
2.6 On-State Behavior
2.6.1 Typical Conditions
On-state sealing current levels are determined by the
network’s power feed circuit and the loop’s dc
impedance. To compensate for low loop resistance or
very high loop voltage, the CPC1465 limits the
maximum sealing current to 70 mA.
The CPC1465 manages package power dissipation
by shunting excess sealing current through the 2.2 k
Ω
4W power resistor located between the PR+ and PR-
pins.
2.6.2 Over-Voltage Conditions
Potentials in excess of 100 V applied to the tip and
ring interface will cause the CPC1465 to disable the
sealing current hold circuit and enter a standby state
with very little current draw. Once the over-voltage
condition is removed, the CPC1465 automatically
resumes normal operation.
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| CPC1466DTR | 功能描述:电信线路管理 IC DC TERMINATION IC, TAPE/REEL RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray |
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