MAX891L 데이터 시트보기 (PDF) - Maxim Integrated
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MAX891L Datasheet PDF : 8 Pages
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Current-Limited, High-Side
P-Channel Switches with Thermal Shutdown
ELECTRICAL CHARACTERISTICS
(VIN = 3V, TA = -40°C to +85°C, unless otherwise noted.) (Note 2)
PARAMETER
CONDITIONS
MIN
Operating Voltage
3.0
Quiescent Current
Off-Supply Current
Off-Switch Current
VIN = 5V, ON = GND, IOUT = 0mA
ON = IN, VIN = VOUT = 5.5V
ON = IN, VIN = 5.5V, VOUT = 0V
Undervoltage Lockout
Rising edge, 1% hysteresis
2.0
On-Resistance
On-Resistance
VIN = 4.5V
VIN = 3.0V
MAX891L
MAX892L
MAX891L
MAX892L
Current-Limit-Amplifier Accuracy
IOUT to ISET Current Ratio
FAULT Logic Output Low Voltage
Turn-On Time
Turn-Off Time
VSET required to turn the switch off (Note 1)
VOUT = 1.6V to 2.8V
MAX891L, IOUT = 250mA
MAX892L, IOUT = 125mA
ISINK = 1mA, VSET = 1.4V
VIN = 5V
VIN = 5V
1.14
805
805
0.25
TYP
MAX
5.5
50
2.2
8
2.9
225
420
300
500
1.34
1210
1210
0.4
200
20
Note 1: Tested with IOUT = 50mA for the MAX891L, 25mA for the MAX892L, and VSET raised until VIN - VOUT ≥ 0.8V.
Note 2: Parameters to -40°C are guaranteed by design, not production tested.
UNITS
V
µA
µA
µA
V
mΩ
mΩ
V
A/A
V
µs
µs
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