SP721ABT View Datasheet(PDF) - Harris Semiconductor
Part Name
Description
MFG CO.
'SP721ABT' PDF : 6 Pages View PDF
100 TA = 25oC
SINGLE PULSE
80
SP721
2.5 TA = 25oC
SINGLE PULSE
2
60
1.5
40
1
IFWD
EQUIV. SAT. ON
20
THRESHOLD ~ 1.1V
0.5
VFWD
0
600
800
1000
FORWARD SCR VOLTAGE DROP (mV)
1200
FIGURE 2. LOW CURRENT SCR FORWARD VOLTAGE DROP
CURVE
0
0
1
2
3
FORWARD SCR VOLTAGE DROP (V)
FIGURE 3. HIGH CURRENT SCR FORWARD VOLTAGE DROP
CURVE
+VCC
INPUT
DRIVERS
OR
SIGNAL
SOURCES
+VCC
LINEAR OR
DIGITAL IC
INTERFACE
IN 1 - 3
IN 5 - 7
TO +VCC
V+
SP721
V-
SP721 INPUT PROTECTION CIRCUIT (1 OF 6 SHOWN)
FIGURE 4. TYPICAL APPLICATION OF THE SP721 AS AN INPUT CLAMP FOR OVER-VOLTAGE, GREATER THAN 1VBE ABOVE V+ OR
LESS THAN -1VBE BELOW V-
6-11
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