1.2A, Current-Limited, High-Side
P-Channel Switch with Thermal Shutdown
ELECTRICAL CHARACTERISTICS
(V
IN
= 3V,
T
A
= -40°C to +85°C,
unless otherwise noted.) (Note 2)
PARAMETER
Operating Voltage
Quiescent Current
Off-Supply Current
Off-Switch Current
Undervoltage Lockout
On-Resistance
Current-Limit-Amplifier Threshold
I
OUT
to I
SET
Current Ratio
FAULT
Logic Output Voltage Low
Turn-On Time
Turn-Off Time
V
IN
= 5V,
ON
= GND, I
OUT
= 0
ON
= IN, V
IN
= V
OUT
= 5.5V
ON
= IN, V
IN
= 5.5V, V
OUT
= 0
Rising edge, 1% hysteresis
V
IN
= 4.5V
V
IN
= 3.0V
V
SET
required to turn the switch off (Note 1)
I
OUT
= 500mA, V
OUT
> 1.6V
I
SINK
= 1mA, V
SET
= 1.4V
V
IN
= 5V, I
OUT
= 500mA
V
IN
= 5V, I
OUT
= 500mA
1
1.14
865
2.0
CONDITIONS
MIN
3.0
TYP
MAX
5.5
30
2.2
15
2.9
125
160
1.34
1300
0.4
200
20
UNITS
V
µA
µA
µA
V
mΩ
V
A/A
V
µs
µs
MAX893L
Note 1:
Tested with I
OUT
= 100mA and V
SET
raised until V
IN
- V
OUT
≥
0.8V.
Note 2:
Specifications to -40°C are guaranteed by design, not production tested.
_______________________________________________________________________________________
3
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
