Datasheet

MAX8535 Typical Operating Characteristics
(V
CC
= 12V, R
TIMER
= 25kΩ, UVP = 2V, OVP = 1V, C
GATE
= 0.01µF, BUS = 100µF, T
A
= +25°C, unless otherwise specified.)
MAX8535/MAX8536/MAX8585
ORing MOSFET Controllers with Fastest
Fault Isolation for Redundant Power Supplies
8 _______________________________________________________________________________________
GATE-CHARGE CURRENT
vs. TIMER RESISTANCE (R
TIMER
)
MAX8535/MAX8536 toc01
RESISTANCE (kΩ)
GATE-CHARGE CURRENT (µA)
100
10
20
30
40
50
60
0
10 1000
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
SUPPLY CURRENT
vs. TEMPERATURE
MAX8535/MAX8536 toc02
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
806040200-20
2.2
2.4
2.6
2.8
3.0
3.2
3.4
2.0
-40
TIMER = GND
TIMER IS UNCONNECTED
MAX8535
REVERSE-CURRENT THRESHOLD
vs. TEMPERATURE
MAX8535/MAX8536 toc03
TEMPERATURE (°C)
REVERSE-CURRENT THRESHOLD (mV)
603510-15
27
29
31
33
35
34
32
30
28
26
25
-40 85
UVP AND OVP LEAKAGE CURRENT
vs. TEMPERATURE
MAX8535/MAX8536 toc04
TEMPERATURE (°C)
LEAKAGE CURRENT (nA)
806040200-20
20
40
60
80
100
120
140
0
-40
UVP
OVP
POWER-UP WAVEFORM (V
BUS
= 0V)
MAX8535/MAX8536 toc05
I
MOSFET
10A/div
V
CS
10V/div
V
GATE
20V/div
V
CC
10V/div
4ms/div
POWER-UP WAVEFORM (V
BUS
= 12V)
MAX8535/MAX8536 toc06
I
MOSFET
2A/div
V
CS
10V/div
V
GATE
20V/div
V
CC
10V/div
4ms/div