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TVS Diode Arrays

SCR Diode Array for ESD and Transient Overvoltage Protection

SP724

FIGURE 2. LOW CURRENT SCR FORWARD VOLTAGE DROP

CURVE

FIGURE 3. HIGH CURRENT SCR FORWARDVOLTAGE 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

SP724 INPUT PROTECTION CIRCUIT (1 OF 4 SHOWN)

OR

SIGNAL

SOURCES

IN 1, 3, 4 AND 6

SP724

V-

LINEAR OR

DIGITAL IC

INTERFACE

V+

0.01µF