參數(shù)資料
型號(hào)： DS2186
廠商： DALLAS SEMICONDUCTOR
元件分類： Digital Transmission Interface
英文描述： DATACOM, DIGITAL SLIC, PDSO20
封裝： 0.300 INCH, SOIC-20
文件頁數(shù)： 2/8頁
文件大小： 115K
代理商： DS2186
MAX893L
1.2A, Current-Limited, High-Side
P-Channel Switch 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
ON, FAULT to GND .................................................-0.3V to +6V
SET, OUT to GND ...................................... -0.3V to (VIN + 0.3V)
Maximum Continuous Short-Circuit Switch Current .............2.0A
Continuous Power Dissipation (TA = +70°C)
SO (derate 5.88mW/°C above +70°C) .........................471mW
Operating Temperature Range
MAX893LESA ...................................................-40°C to +85°C
Storage Temperature Range ........................... -65°C to +150°C
Lead Temperature (soldering, 10sec) .............................+300°C
ON = IN, VIN = VOUT = 5.5V
VIN = 5V, IOUT = 500mA
VIN = 3V, IOUT = 500mA
VIN = 5V, ON = GND, IOUT = 0
VIN = 5V, IOUT = 500mA
20% current overdrive, VIN = 5V
V FAULT = 5.5V, VSET = 1V
VIN = 2.7V to 3.6V
VIN = 2.7V to 5.5V
ISINK = 1mA, VSET = 1.4V
VSET = 1.24V, IOUT = 0; VIN = VOUT
ON = IN, VIN = 5.5V, VOUT = 0
Rising edge, 1% hysteresis
VIN = 4.5V
V ON = 5.5V
VSET required to turn the switch off (Note 1)
VIN = 4.5V to 5.5V
CONDITIONS
s
24
Turn-Off Time
s
115
Turn-On Time
80
200
s
2
Fast Current-Loop Response Time
s
5
Slow Current-Loop Response Time
A
0.05
1
FAULT Logic Output High Leakage Current
V
0.4
FAULT Logic Output Voltage Low
A
0.5
3
ISET Bias Current
A
0.01
1
ON Input Leakage Current
V
2.4
ON Input Voltage High
A
0.03
1
Off-Supply Current
A
13
20
V
2.7
5.5
Operating Voltage
Quiescent Current
2.0
V
0.8
ON Input Voltage Low
A
1.8
Short-Circuit Current
A
1.2
Maximum Programmable Continuous
Output Current Limit
A
0.04
15
Off-Switch Current
V
2.0
2.4
2.6
Undervoltage Lockout
70
125
V
1.178
1.240
1.302
Current-Limit-Amplifier Threshold
UNITS
MIN
TYP
MAX
PARAMETER
VIN = 3.0V
m
88
160
On-Resistance
IOUT = 500mA, VOUT > 1.6V
A/A
920
1080
1250
IOUT to ISET Current Ratio
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