參數(shù)資料
型號(hào)： MAX4840EXT-T
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類(lèi)： 電源管理
英文描述： Overvoltage Protection Controllers with Status FLAG
中文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6
封裝： SC-70, 6 PIN
文件頁(yè)數(shù)： 2/10頁(yè)
文件大?。?/td> 227K
代理商： MAX4840EXT-T
M
Overvoltage Protection Controllers with
Status FLAG
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
IN to GND ..............................................................-0.3V to +30V
GATE to GND ........................................................-0.3V to +12V
EN
,
FLAG
to GND ....................................................-0.3V to +6V
Continuous Power Dissipation (T
A
= +70
°
C)
6-Pin SC70 (derate 3.1mW/
°
C above +70
°
C) .............245mW
ELECTRICAL CHARACTERISTICS
(V
IN
= +5V, T
A
= -40
°
C to +85
°
C, unless otherwise noted. Typical values are at 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
UVLO
CONDITIONS
MIN
1.2
3.0
TYP
MAX
28.0
3.5
UNITS
V
V
mV
Input Voltage Range
Undervoltage Lockout Threshold
Undervoltage Lockout Hysteresis
V
IN
falling
3.25
50
7.4
5.8
100
80
140
MAX4838/MAX4839
MAX4840/MAX4841
MAX4838/MAX4839
MAX4840/MAX4841
No load,
EN
= GND or 5.5V, V
IN
= 5.4V
V
IN
= 2.9V
I
GATE
sourcing 1μA
V
IN
> V
OVLO
, V
GATE
= 5.5V
1.2V
≤
V
IN
< UVLO, I
SINK
= 50μA
V
IN
≥
OVLO, I
SINK
= 1mA
I
SOURCE
= 100μA,
FLAG
deasserted,
MAX4839/MAX4841
7.0
5.5
7.8
6.1
Overvoltage Trip Level
OVLO
V
Overvoltage Trip Level Hysteresis
mV
IN Supply Current
UVLO Supply Current
GATE Voltage
GATE Pulldown Current
I
IN
240
150
10
μA
μA
V
mA
V
GATE
I
PD
9
60
0.4
0.4
FLAG
Output Low Voltage
V
OL
V
FLAG
Output High Voltage
V
OH
2.4
V
FLAG
Output High Leakage
I
OH
V
FLAG
= 5.5V,
FLAG
deasserted,
MAX4838/MAX4840
1
μA
EN
Input High Voltage
EN
Input Low Voltage
EN
Input Leakage
V
IH
V
IL
I
LKG
MAX4838/MAX4840
MAX4838/MAX4840
MAX4838/MAX4840,
EN
= GND or 5.5V
1.47
V
V
μA
0.65
1
Human Body Model
IEC 1000-4-2
15
15
IN ESD rating
C
IN
≥
1μF
kV
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