MAX4838 Maxim, MAX4838 Datasheet - Page 4

• Manufacturer Part Number: MAX4838
• Description: Overvoltage Protection Controllers with Status FLAG
• Manufacturer: Maxim

Overvoltage Protection Controllers with
Status FLAG
(V
4
IN
_______________________________________________________________________________________
= +5V, MAX4838; Si9936DY external MOSFET in back-to-back configuration; T
50mA
11.0
10.5
10.0
9.5
9.0
10V
5V
0V
0V
1A
0A
5V
0V
8V
0V
5V
0V
0A
5V
0V
5.0
POWER-UP OVERVOLTAGE RESPONSE
GATE VOLTAGE vs. INPUT VOLTAGE
R
OUT
5.1
= 5Ω
POWER-UP RESPONSE
INPUT VOLTAGE (V)
5.2
20ms/div
1µs/div
5.3
GATE PULLED UP
TO IN WITH 100Ω
I
I
I
GATE
GATE
GATE
5.4
MAX4838 toc06
MAX4838 toc08
= 0
= 4µA
= 8µA
Typical Operating Characteristics (continued)
5.5
I
IN
GATE
FLAG
IN
GATE
IN
I
FLAG
GATE
40mA
10V
10V
10V
8V
5V
0V
0A
5V
0V
5V
0V
5V
0V
5V
0V
5V
0V
5V
0V
0V
5V
0V
C
R
C
GATE
OUT
OUT
A
OVERVOLTAGE RESPONSE
POWER-DOWN RESPONSE
= 1500pF
= ∞
= 0
= +25°C, unless otherwise noted.)
POWER-UP RESPONSE
400ns/div
10ms/div
20ms/div
R
R
LOAD
FLAG
= 100kΩ TO +5V
= 50Ω
MAX4838 toc07
MAX4838 toc05
MAX4838 toc09
I
FLAG
IN
GATE
IN
IN
GATE
OUT
FLAG
GATE
OUT
FLAG
GATE