MAX894L 데이터 시트보기 (PDF) - Maxim Integrated
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MAX894L Datasheet PDF : 8 Pages
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2A, Current-Limited, High-Side
P-Channel Switch with Thermal Shutdown
ELECTRICAL CHARACTERISTICS
(VIN = 3V, TA = -40°C to +85°C, unless otherwise noted.) (Note 3)
PARAMETER
Operating Voltage
Quiescent Current
Off-Supply Current
Off-Switch Current
Undervoltage Lockout
On-Resistance
Nominal Current-Limit Set Range
Current-Limit-Amplifier Threshold
IOUT to ISET Current Ratio
FAULT Logic Output Low Voltage
Turn-On Time
Turn-Off Time
CONDITIONS
VIN = 5V, ON = GND, IOUT = 0A
ON = IN, VIN = VOUT = 5.5V
ON = IN, VIN = 5.5V, VOUT = 0V
Rising edge, 1% hysteresis
VIN = 4.75V
VIN = 3.0V
RSET = 1% tolerance (Note 1)
VSET required to turn the switch off (Note 2)
IOUT = 1A, VOUT > 1.6V
ISINK = 1mA, VSET = 1V
VIN = 5V, IOUT = 500mA
VIN = 5V, IOUT = 500mA
MIN TYP MAX UNITS
2.9
5.5
V
25
µA
2.5
µA
30
µA
2.0
2.85
V
70
mΩ
90
0.40
2.4
A
1.14
1.34
V
765
1145 A/A
0.4
V
400
µs
2
30
µs
Note 1: Guaranteed by design. Derived from the ISET current ratio; current-limit amplifier and external set resistor accuracies.
Note 2: Tested with IOUT = 200mA and VSET raised until (VIN - VOUT) ≥ 0.8V.
Note 3: Specifications to -40°C are guaranteed by design, not production tested.
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