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MAX4838AEXT Datasheet(PDF) 4 Page - Maxim Integrated Products

Part # MAX4838AEXT
Description  Overvoltage-Protection Controllers with Status FLAG
PDF  11 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX4838AEXT Datasheet(HTML) 4 Page - Maxim Integrated Products

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Overvoltage-Protection Controllers with
Status
FLAG
4
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(VIN = +5V (MAX4838A/MAX4840A), VIN = +4V (MAX4842A); Si9936DY external MOSFET in back-to-back configuration; TA = +25°C,
unless otherwise noted.)
MAX4842A
GATE VOLTAGE vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
7
6
5
1
2
3
4
3
6
9
12
0
08
MAX4842A
GATE VOLTAGE vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
5.4
5.3
5.2
5.1
9.5
10.0
10.5
11.0
9.0
5.0
5.5
IGATE = 0
IGATE = 4
µA
IGATE = 8
µA
MAX4838A/MAX4840A
POWER-UP RESPONSE
MAX4838A toc06
IN
GATE
5V
0V
0V
5V
0V
5V
10V
OUT
FLAG
20ms/div
ROUT =
∞
COUT = 0
MAX4838A/MAX4840A
POWER-UP RESPONSE
MAX4838A toc07
20ms/div
5V
0V
0V
1A
0A
5V
FLAG
IIN
GATE
IN
0V
10V
ROUT = 5
Ω
OVERVOLTAGE RESPONSE
MAX4838A toc10
400ns/div
IN
GATE
IGATE
FLAG
5V
8V
0V
40mA
0A
5V
0V
10V
CGATE = 1500pF
POWER-UP OVERVOLTAGE RESPONSE
MAX4838A toc11
1
µs/div
8V
GATE
IN
IGATE
FLAG
5V
0V
50mA
0A
5V
0V
0V
GATE PULLED UP
TO IN WITH 100
Ω
POWER-DOWN RESPONSE
MAX4838A toc12
10ms/div
5V
IN
GATE
OUT
FLAG
10V
0V
5V
0V
5V
0V
0V
RLOAD = 50
Ω
RFLAG = 100k
Ω TO +5V
MAX4842A
POWER-UP RESPONSE
MAX4838A toc08
20ms/div
4V
0V
0V
4V
0V
4V
FLAG
OUT
GATE
IN
0V
8V
ROUT =
∞
COUT = 0
MAX4842A
POWER-UP RESPONSE
MAX4838A toc09
20ms/div
4V
0V
0V
800mA
0A
4V
FLAG
IIN
GATE
IN
0V
8V
ROUT = 5
Ω



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