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参数资料
| 型号： | CPC7581BC |
| 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： | 17/17页 |
| 文件大小： | 526K |
| 代理商： | CPC7581BC |
CPC7581
R05
www.clare.com
9
1.8 Protection Circuitry Electrical Specifications
1.9 Truth Table
Parameter
Conditions
Symbol
Minimum
Typical
Maximum
Unit
Parameters Related to the Diodes in the Diode Bridge
Voltage drop at
continuous current (50/
60 Hz)
Apply ± dc current limit of break
switches
Forward
Voltage
-2.1
3
V
Voltage drop at surge
current
Apply ± dynamic current limit of break
switches
Forward
Voltage
-5-
Parameters Related to the Protection SCR
Surge current
-
*
A
Trigger current
T=+25°C
ITRIG
-
60
(CPC7581xA)
70
(CPC7581xC)
-mA
T=+85°C
35
(CPC7581xA)
40
(CPC7581xC)
Hold current
T=+25°C
IHOLD
110
(CPC7581xA)
135
(CPC7581xC)
T=+85°C
60
(CPC7581xA)
110
(CPC7581xC)
70
(CPC7581xA)
115
(CPC7581xC)
Gate trigger voltage
IGATE = ITRIGGER**
VTBAT or
VRBAT
VBAT -4
-
VBAT -2
V
Reverse leakage current VBAT = -48 V
IVBAT
--
1.0
μA
On-state voltage
0.5 A, t = 0.5
μsV
TBAT or
VRBAT-
--3-
V
2.0 A, t = 0.5
μs-
-5
-
V
*Passes GR1089 and ITU-T K.20 with appropriate secondary protection in place.
**VBAT must be capable of sourcing ITRIGGER for the internal SCR to activate.
State
INRINGING
Latch
TSD
Break
Switches
Ringing Switches
Talk
0
Z1
On
Off
Ringing
1
Off
On
Latched
X
1
Unchanged
All-Off
X
0
Off
1 Z = High Impedance. Because T
SD has an internal pull up at this pin, it should be controlled with an open-collector or open-drain type device.
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