參數(shù)資料
型號(hào): SP721AB
廠商: Harris Corporation
英文描述: ELECTRONIC PROTECTION ARRAY FOR ESD AND OVER-VOLTAGE PROTECTION
中文描述: 電子保護(hù)陣列的ESD和過(guò)電壓保護(hù)
文件頁(yè)數(shù): 3/6頁(yè)
文件大?。?/td> 176K
代理商: SP721AB
6-11
FIGURE 2. LOW CURRENT SCR FORWARD VOLTAGE DROP
CURVE
FIGURE 3. HIGH CURRENT SCR FORWARD VOLTAGE DROP
CURVE
FIGURE 4. TYPICAL APPLICATION OF THE SP721 AS AN INPUT CLAMP FOR OVER-VOLTAGE, GREATER THAN 1V
LESS THAN -1V
BE
BELOW V-
BE
ABOVE V+ OR
600
800
1000
1200
FORWARD SCR VOLTAGE DROP (mV)
100
80
60
40
20
0
F
T
A
= 25
o
C
SINGLE PULSE
2.5
2
1.5
1
0.5
0
F
T
A
= 25
o
C
SINGLE PULSE
V
FWD
I
FWD
0
1
2
3
FORWARD SCR VOLTAGE DROP (V)
EQUIV. SAT. ON
THRESHOLD ~ 1.1V
+V
CC
INPUT
DRIVERS
OR
SIGNAL
SOURCES
SP721 INPUT PROTECTION CIRCUIT (1 OF 6 SHOWN)
IN 5 - 7
IN 1 - 3
SP721
V-
TO +V
CC
LINEAR OR
DIGITAL IC
INTERFACE
V+
+V
CC
SP721
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