參數(shù)資料
型號： MAX4794EUS-T
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 模擬信號調(diào)理
英文描述： 200mA/250mA/300mA Current-Limit Switches
中文描述： SPECIALTY ANALOG CIRCUIT, PDSO4
封裝： SOT-143, 4 PIN
文件頁數(shù)： 2/13頁
文件大小： 326K
代理商： MAX4794EUS-T
M
200mA/250mA/300mA Current-Limit Switches
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
IN, ON,
FLAG
, OUT to GND.....................................-0.3V to +6V
OUT Short Circuit to GND.................................Internally Limited
Continuous Power Dissipation (T
A
= +70
°
C)
4-Pin SOT143 (derate 4.0mW/
°
C above +70
°
C)..........320mW
5-Pin SOT23 (derate 7.1mW/
°
C above +70
°
C)............571mW
6-Pin Thin QFN (derate 24.4mW/
°
C above +70
°
C)...1951.2mW
ELECTRICAL CHARACTERISTICS
(V
IN
= 2.3V to 5.5V, T
A
= -40
°
C to +85
°
C, unless otherwise noted. Typical values are at V
IN
= 3.3V, T
A
= +25
°
C.) (Note 1)
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.
Operating Temperature Range ...........................-40
°
C to +85
°
C
Junction Temperature......................................................+150
°
C
Storage Temperature Range.............................-65
°
C to +150
°
C
Lead Temperature (soldering, 10s).................................+300
°
C
PARAMETER
SYMBOL
V
IN
CONDITIONS
MIN
2.3
TYP
MAX
5.5
120
160
UNITS
V
Operating Voltage
V
IN
= +2.3V to +5.0V
V
IN
= +5.0V to +5.5V
80
Quiescent Current
I
Q
V
ON
= V
IN
, I
OUT
= 0,
switch on
μA
Latch-Off Current (Note 2)
I
LATCH
V
ON
= V
IN
, after an overcurrent fault
(MAX4789/MAX4791/MAX4793)
8
15
μA
Shutdown Current
I
SHDN
V
ON
= 0V
MAX4789/MAX4790
MAX4791/MAX4792
MAX4793/MAX4794
MAX4789/MAX4790
MAX4791/MAX4792
MAX4793/MAX4794
V
ON
= V
IN
or GND
V
ON
= 0V, V
OUT
= 0V
Rising edge
0.01
1
μA
200
250
300
300
375
450
300
375
450
+1
1
2.2
Forward Current Limit
mA
Reverse Current Limit
mA
ON Input Leakage
Off Switch Leakage
Undervoltage Lockout
Undervoltage Lockout Hysteresis
-1
μA
μA
V
mV
0.01
UVLO
1.8
100
0.2
T
A
= +25
°
C, I
OUT
= 100mA
T
A
= - 40
°
C to + 85
°
C I
OU T
= 100m A
0.4
0.5
On-Resistance
R
ON
ON Input Logic High Voltage
ON Input Logic Low Voltage
FLAG
Output Logic Low Voltage
V
IH
V
IL
2.0
V
V
V
0.8
0.4
I
S N K
= 1m A ( M AX 4789/M AX 4791/M AX 4793)
V
IN
= V
FLAG
= 5.5V
(MAX4789/MAX4791/MAX4793)
FLAG
Output High Leakage
Current
1
μA
Thermal Shutdown
Thermal-Shutdown Hysteresis
DYNAMIC
150
15
°
C
°
C
Turn-On Time (Note 3)
V
ON
from low to high; I
OUT
= 10mA,
C
L
= 0.1μF
100
μs
Turn-Off Time (Note 3)
V
ON
from high to low; I
OUT
= 10mA,
C
L
= 0.1μF
40
ns
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