MAX4838EXT-T Ver la hoja de datos (PDF) - Maxim Integrated
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MAX4838EXT-T Datasheet PDF : 10 Pages
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Overvoltage Protection Controllers with
Status FLAG
Typical Operating Characteristics (continued)
(VIN = +5V, MAX4838; Si9936DY external MOSFET in back-to-back configuration; TA = +25°C, unless otherwise noted.)
GATE VOLTAGE vs. INPUT VOLTAGE
11.0
IGATE = 0
10.5
IGATE = 4µA
10.0
IGATE = 8µA
9.5
9.0
5.0 5.1 5.2 5.3 5.4 5.5
INPUT VOLTAGE (V)
POWER-UP RESPONSE
MAX4838 toc05
5V
IN
0V
10V
0V
5V
0V
5V
ROUT = ∞
COUT = 0
20ms/div
GATE
OUT
FLAG
POWER-UP RESPONSE
MAX4838 toc06
5V
IN
0V
10V
0V
1A
0A
5V ROUT = 5Ω
0V
20ms/div
GATE
IIN
FLAG
8V
5V
10V
0V
40mA
OVERVOLTAGE RESPONSE
MAX4838 toc07
IN
GATE
0A
5V
0V CGATE = 1500pF
400ns/div
IGATE
FLAG
POWER-UP OVERVOLTAGE RESPONSE
MAX4838 toc08
8V
0V
5V
0V
50mA
0A
5V
0V
IN
GATE PULLED UP
TO IN WITH 100Ω
GATE
1µs/div
IGATE
FLAG
POWER-DOWN RESPONSE
MAX4838 toc09
5V
RLOAD = 50Ω
RFLAG = 100kΩ TO +5V IN
0V
10V
GATE
0V
5V
OUT
0V
5V
FLAG
0V
10ms/div
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