Datasheet

MAX890L
1.2A, Current-Limited, High-Side
P-Channel Switch with Thermal Shutdown
_______________________________________________________________________________________ 3
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.
ON = IN, V
IN
= V
OUT
= 5.5V
V
IN
= 5V
V
IN
= 5V, ON = GND, I
OUT
= 0A
I
SINK
= 1mA, V
SET
= 1.4V
I
OUT
= 500mA, V
OUT
> 1.6V
ON = IN, V
IN
= 5.5V, V
OUT
= 0V
Rising edge, 1% hysteresis
V
IN
= 4.5V
V
SET
required to turn the switch off (Note 1)
CONDITIONS
V
IN
= 3.0V
mΩ
150
µs200
On-Resistance
Turn-On Time
V0.4
FAULT Logic Output Low Voltage
µA2.2Off-Supply Current
µA50
V3.0 5.5Operating Voltage
Quiescent Current
A/A925 1390I
OUT
to I
SET
Current Ratio
µA15Off-Switch Current
V2.0 2.9Undervoltage Lockout
130
V1.14 1.34Current-Limit-Amplifier Threshold
UNITSMIN TYP MAXPARAMETER
ELECTRICAL CHARACTERISTICS
(V
IN
= +3V, T
A
= -40°C to +85°C, unless otherwise noted.) (Note 2)
V
IN
= 5V µs120Turn-Off Time