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MAX894L Datasheet(PDF) 2 Page - Maxim Integrated Products

Part # MAX894L
Description  Dual, Current-Limited, High-Side P-Channel Switches with Thermal Shutdown
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX894L Datasheet(HTML) 2 Page - Maxim Integrated Products

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Dual, Current-Limited, High-Side P-Channel
Switches with Thermal Shutdown
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VIN = 3V, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
IN to GND ...................................................................-0.3V to 6V
ONA, ONB to GND .....................................................-0.3V to 6V
SET A, SET B, OUT A, OUT B to GND ........-0.3V to (VIN + 0.3V)
Maximum Continuous Switch Current
MAX894L ..........................................................................0.75A
MAX895L ........................................................................0.375A
Continuous Power Dissipation (TA = +70°C)
SO (derate 5.88mW/°C above +70°C) .......................471mW
Operating Temperature Range
MAX89_LESA .................................................-40°C to +85°C
Storage Temperature Range ...............................-65°C to+150°C
Lead Temperature (soldering, 10sec) ..............................+300°C
VSET A = 1.4V, ONA = 0, ONB = VIN, IOUT A = 0,
VIN = VOUT
V ONA = V ONB = 5.5V
ONA = ONB = IN, VIN = VOUT A = VOUT B = 5.5V
VIN = 4.5V to 5.5V
VIN = 2.7V to 3.6V
VIN = 5V, ONA = ONB = GND, IOUT A = IOUT B = 0
VIN = 2.7V to 5.5V
VIN = 3.0V
MAX895L
ONA = ONB = IN, VIN = 5.5V, VOUT A = VOUT B = 0
Rising edge, 1% hysteresis
MAX894L
VSET required to turn the switch off (Note 1)
CONDITION
0.5
3
ISETA, ISETB Bias Current
µA
0.01
1
ONA, ONB Input Leakage
V
2.4
ONA, ONB Input High Voltage
2.0
V
0.8
ONA, ONB Input Low Voltage
mA
250
500
Maximum Output Current
V
1.178
1.240
1.302
Current-Limit-Amplifier Threshold
µA
0.0001
1
Off-Supply Current
µA
18
30
V
2.7
5.5
Operating Voltage
Quiescent Current
m
300
500
150
300
250
420
µA
0.002
10
Off-Switch Current
V
2.0
2.4
2.6
Undervoltage Lockout
On-Resistance
120
225
UNITS
MIN
TYP
MAX
PARAMETER
VIN = 4.5V
MAX894L
MAX895L
MAX895L
20% current overdrive, VCC = 5V
µs
5
Slow-Current-Loop Response Time
µs
2
Fast-Current-Loop Response Time
Note 1: Tested with IOUT = 50mA for the MAX894L and 25mA for the MAX895L, and VSET raised until VIN - VOUT
≥ 0.8V.
MAX895L, IOUT = 125mA
MAX894L, IOUT = 250mA
A/A
VOUT > 1.6V
910
1050
1235
945
1085
1270
IOUT to ISET Current Ratio
MAX894L
µA
VIN = 5V, IOUT = 250mA (MAX894L), 125mA (MAX895L)
100
200
µs
Turn-On Time
VIN = 3V, IOUT = 250mA (MAX894L), 125mA (MAX895L)
150
Turn-Off Time
0.8
1.2
20
µs
VSET B = 1.4V, ONB = 0, ONA = VIN, IOUT B = 0,
VIN = VOUT
0.5
3


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