SP619 Datasheet, PDF (3/7 Pages) Sipex Corporation – High Current Power Switch

FAULT AND RECOVERY TRUTH TABLE*
Enable
Low
Load
X
Temperature
(TJ)
X
Previous
State
X
Switch
Open
Current State/Fault
(Note*)
Off
High
High
High
< 800 mA
< 800 mA
> 800 mA
< 163ºC
> 163ºC
< 163ºC
Off
Closed
Normal
Off
Open
Thermal Cutoff
Off
Open
Overcurrent
High
High
High
High
High
High
High
High
High
> 800 mA
NŸ
NŸ
!NŸ
!NŸ
NŸ
NŸ
!NŸ
!NŸ
> 163ºC
< 163ºC
> 163ºC
< 163ºC
> 163ºC
< 120ºC
> 120ºC
< 120ºC
> 120ºC
Off
Open
Overcurrent
Overcurrent
Open
Open
Overcurrent Closed
Overcurrent Open
Thermal Cutoff Open
Thermal Cutoff Open
Thermal Cutoff Closed
Thermal Cutoff Open
Thermal Cutoff,
Overcurrent
Load Condition
Thermal Cutoff,
Overcurrent, Load
Condition
Normal
Thermal Cutoff
Load Condition
Load Condition,
Thermal Cutoff
Normal
Thermal Cutoff
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occur. In order to recover to the normal state after a Thermal Cutoff fault, the part’s junction temper-
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PIN
NUMBER
1
2
3
4
5
6
PIN
NAME
VIN
*1'
(QDEOH
NC
NC
VOUT
FUNCTION
PIN ASSIGNMENTS
Input power supply pin (4.5V to 5.5V)
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A logic high turns on the switch
No connect
No connect
Switch output
April 2008 Rev L
SP619 High Current Power Switch
3
© 2008 EXAR Corporation