SP721ABT Littelfuse Inc, SP721ABT Datasheet - Page 3

• Manufacturer Part Number: SP721ABT
• Description: IC,Overvoltage Protector,BIPOLAR,SOP,8PIN,PLASTIC
• Manufacturer: Littelfuse Inc
• Series: SP721r

Specifications of SP721ABT

• Voltage - Working: 30V
• Technology: Mixed Technology
• Number Of Circuits: 6
• Applications: General Purpose
• Package / Case: 8-SOIC (3.9mm Width)
• Operating Voltage: 2 V to 30 V
• Capacitance: 3 pF
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power (watts): -
• Voltage - Clamping: -
• Lead Free Status / Rohs Status: No

TVS Diode Arrays
Electronic Protection Array for ESD and Overvoltage Protection
SP721
236
FIGURE 2. LOW CURRENT SCR FORWARD VOLTAGE DROP
FIGURE 4. TYPICAL APPLICA TION OF THE SP721 AS AN INPUT CLAMP FOR OVER-VOLTAGE, GREATER THAN 1V
100
80
60
40
20
0
600
T
SINGLE PULSE
A
= 25
CURVE
LESS THAN -1V
o
C
FORWARD SCR VOLTAGE DROP (mV)
800
SOURCES
DRIVERS
BE
SIGNAL
INPUT
OR
BELOW V-
+V
SP721 INPUT PROTECTION CIRCUIT (1 OF 6 SHOWN)
SP721
CC
1000
w w w . l i t t e l f u s e . c o m
IN 1 - 3
1200
FIGURE 3. HIGH CURRENT SCR FORWARD VOLTAGE DROP
2.5
1.5
0.5
2
1
0
IN 5 - 7
0
T
SINGLE PULSE
A
= 25
CURVE
EQUIV. SAT. ON
THRESHOLD ~ 1.1V
o
C
FORWARD SCR VOLTAGE DROP (V)
1
LINEAR OR
DIGITAL IC
INTERFACE
V+
V-
TO +V
+V
CC
CC
BE
2
V
ABOVE V+ OR
FWD
I
FWD
3