Overvoltage Protection Controllers
with Reverse Polarity Protection
MAX4864L/MAX4865L/MAX4866L/MAX4867
Typical Operating Characteristics
(T
A
= +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
(MAX4864L)
MAX4864 toc01
REVERSE CURRENT vs. OUTPUT VOLTAGE
(MAX4864L)
MAX4864 toc02
REVERSE CURRENT vs. OUTPUT VOLTAGE
(MAX4864L)
EN = 0V
MAX4864 toc03
350
300
SUPPLY CURRENT (μA)
250
200
150
100
50
0
0
5
10
15
20
25
0.4
EN = 3V
80
REVERSE CURRENT (μA)
REVERSE CURRENT (μA)
0.3
60
DEVICE TURNS ON
AT TRANSITION
0.2
40
0.1
20
0
30
0
1
2
3
4
5
SUPPLY VOLTAGE (V)
OUTPUT VOLTAGE (V)
0
0
1
2
3
4
5
OUTPUT VOLTAGE (V)
MAX4864L/MAX4865L/MAX4866L
GATEN VOLTAGE vs. INPUT VOLTAGE
MAX4864 toc04
MAX4867
GATEN VOLTAGE vs. INPUT VOLTAGE
MAX4864 toc05
POWER-UP RESPONSE
MAX4864 toc06
15
MAX4864L
15
5V
0V
12
GATEN VOLTAGE (V)
12
GATEN VOLTAGE (V)
MAX4867
9
ADAPTER
9
MAX4865L
5V
IN
0V
6
6
3
MAX4866L
3
10V
GATEN
0V
5V
FLAG
0
0
2
4
INPUT VOLTAGE (V)
6
8
0
0
2
4
INPUT VOLTAGE (V)
6
8
20ms/div
0V
POWER-UP RESPONSE
MAX4864 toc07
OVERVOLTAGE RESPONSE
MAX4864 toc08
ADAPTER
5V/div
IN
5V/div
OUT
5V/div
I
IN
1A/div
FLAG
5V/div
20ms/div
2μs/div
8V
ADAPTER
5V
8V
IN
5V
GATEN
5V/div
I
GATEN
10mA/div
FLAG
5V/div
4
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MAXIM [ MAXIM INTEGRATED PRODUCTS ]
