參數(shù)資料
型號： CPC7583MDTR
廠商： CLARE INC
元件分類： 通信及網(wǎng)絡(luò)
中文描述： SPECIALTY TELECOM CIRCUIT, PDSO28
封裝： ROHS COMPLIANT, DFN-28
文件頁數(shù)： 4/21頁
文件大小： 618K
代理商： CPC7583MDTR
CPC7583
12
www.clare.com
R06
1.8 Protection Circuitry Electrical Specifications
1.9 Truth Tables
1.9.1 Truth Table for CPC7583xA and CPC7583xB
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
-2.8
3.5
V
Voltage drop at surge
current
Apply ± dynamic current limit of break
switches
Forward
Voltage
-5-
Parameters Related to the Protection SCR (CPC7583xA and CPC7583xC)
Surge current
-
*
A
Trigger current
+25° C
ITRIG
-
200
-
mA
+85° C
ITRIG
120
-
Hold current
+25° C
IHOLD
265
-
+85° C
IHOLD
100
170
-
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.
§V
BAT must be capable of sourcing ITRIGGER for the internal SCR to activate.
State
INRINGING INTESTIN INTESTOUT
Latch
TSD
TESTIN
Switches
Break
Switches
Ringing
Test
Switches
Ringing
Switches
TESTOUT
Switches
Talk
000
0
1 or
Floating 1
Off
On
Off
TESTout
0
1
Off
On
TESTin
010
On
Off
Simultaneous
TESTin and
TESTout
011
On
Off
On
Ringing
1
0
Off
On
Off
Ringing
Generator
Test
110
Off
On
Off
Latched
X
1
Unchanged Unchanged Unchanged Unchanged Unchanged
All Off
1
0
1
0
Off
1
0
Off
XXX
X
0 2
Off
1If T
SD is tied high, thermal shutdown is disabled. If TSD is left floating, the thermal shutdown mechanism functions normally.
2Forcing T
SD to ground overrides the logic input pins and forces an all off state.
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