MAX890L Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX890L Datasheet PDF : 8 Pages
| |||
1.2A, Current-Limited, High-Side
P-Channel Switch with Thermal Shutdown
ABSOLUTE MAXIMUM RATINGS
IN to GND ................................................................-0.3V to +6V
ON, FAULT to GND .................................................-0.3V to +6V
SET, OUT to GND ...................................... -0.3V to (VIN + 0.3V)
Maximum Continuous Switch Current ..................................1.5A
Continuous Power Dissipation (TA = +70°C)
SO (derate 5.88mW/°C above +70°C) ..........................471mW
Operating Temperature Range
MAX890LESA ....................................................-40°C to +85°C
Storage Temperature Range ........................... -65°C to +150°C
Lead Temperature (soldering, 10s) . ...............................+300°C
Soldering Temperature (reflow) .......................................+260°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.
ELECTRICAL CHARACTERISTICS
(VIN = +3V, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
CONDITIONS
Operating Voltage
Quiescent Current
Off-Supply Current
Off-Switch Current
Undervoltage Lockout
VIN = 5V, ON = GND, IOUT = 0A
ON = IN, VIN = VOUT = 5.5V
ON = IN, VIN = 5.5V, VOUT = 0V
Rising edge, 1% hysteresis
On-Resistance
Current-Limit-Amplifier Threshold
Maximum Output Current Limit
VIN = 4.5V
VIN = 3.0V
VSET required to turn the switch off (Note 1)
IOUT to ISET Current Ratio
ON Input Low Voltage
ON Input High Voltage
ON Input Leakage Current
ISET Bias Current
FAULT Logic Output Low Voltage
FAULT Logic Output High Leakage Current
Slow-Current-Loop Response Time
Fast-Current-Loop Response Time
IOUT = 500mA, VOUT > 1.6V
VIN = 2.7V to 5.5V
VIN = 2.7V to 3.6V
VIN = 4.5V to 5.5V
V ON = 5.5V
VSET = 1.24V, IOUT = 0A; VIN = VOUT
ISINK = 1mA, VSET = 1.4V
V FAULT = 5.5V, VSET = 1V
20% current overdrive, VCC = 5V
Turn-On Time
Turn-Off Time
VIN = 5V, IOUT = 500mA
VIN = 3V, IOUT = 500mA
VIN = 5V
MIN
2.7
2.0
1.178
970
2.0
2.4
2
TYP
13
0.03
0.04
2.4
75
90
1.240
1.2
1110
0.01
0.5
0.05
5
2
120
185
5
MAX
5.5
20
1
15
2.6
130
150
1.302
1300
0.8
UNITS
V
µA
µA
µA
V
mΩ
V
A
A/A
V
V
1
µA
3
µA
0.4
V
1
µA
µs
µs
200
µs
µs
2 _______________________________________________________________________________________
Share Link: 