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TVS Diode Arrays

Electronic Protection Array for ESD and Overvoltage Protection

SP723

FIGURE 2. LOW CURRENT SCR FORWARD VOLTAGE DROP

CURVE

FIGURE 3. HIGH CURRENT SCR FORWARD VOLTAGE DROP

CURVE

600

800

1000

1200

FORWARD SCR VOLTAGE DROP (mV)

200

160

120

80

40

0

SINGLE PULSE

5

4

3

2

1

0

SINGLE PULSE

01

2

3

FORWARD SCR VOLTAGE DROP (V)

EQUIV. SAT. ON

THRESHOLD ~ 1.1V

INPUT

DRIVERS

SP723 INPUT PROTECTION CIRCUIT (1 OF 6 SHOWN)

OR

SIGNAL

SOURCES

IN 5 - 7

IN 1 - 3

SP723

V-

LINEAR OR

DIGITAL IC

INTERFACE

V+