SP720 データシートの表示（PDF） - Littelfuse, Inc

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SP720

Electronic protection array for ESD and over-voltage protection

Littelfuse, Inc 

TVS Diode Arrays

Electronic Protection Array for ESD and Overvoltage Protection

SP720

100

TA = 25oC

SINGLE PULSE

80

2.5 TA = 25oC

SINGLE PULSE

2

60

1.5

40

1

IFWD

EQUIV. SAT. ON

THRESHOLD ~ 1.1V

20

VFWD

0.5

0

600

800

1000

FORWARD SCR VOLTAGE DROP (mV)

1200

FIGURE 2. LOW CURRENT SCR FORWARD VOLTAGE DROP

CURVE

+VCC

INPUT

DRIVERS

OR

SIGNAL

SOURCES

0

0

1

2

3

FORWARD SCR VOLTAGE DROP (V)

FIGURE 3. HIGH CURRENT SCR FORWARDVOLTAGE DROP

CURVE

+VCC

LINEAR OR

DIGITAL IC

INTERFACE

IN 1-7

IN 9-15

TO +VCC

V+

SP720

V-

SP720 INPUT

PROTECTION CIRCUIT

(1 OF 14 ON CHIP)

FIGURE 4. TYPICAL APPLICATION OF THE SP720 AS AN INPUT CLAMP FOR OVER-VOLTAGE, GREATER THAN 1VBE ABOVE V+ OR

LESS THAN -1V BE BELOW V-

230

www.littelfuse.com

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