Typical operating characteristics (continued) – Rainbow Electronics MAX5943 User Manual
Page 7
MAX5943
FireWire Current Limiter and Low-Drop
ORing Switch Controller
_______________________________________________________________________________________
7
MAX5943A SHORT-CIRCUIT EVENT
(V
IN
= 37V)
MAX5943 toc17
I
IN
10A/div
V
OUT
50V/div
V
GATE2
50V/div
V
IN
50V/div
100ns/div
ILIM = GND
V
FAULT
50V/div
MAX5943A SHORT-CIRCUIT RESPONSE
(V
IN
= 8V)
MAX5943 toc18
I
IN
1A/div
V
OUT
10V/div
V
GATE2
10V/div
V
IN
10V/div
400µs/div
TIM = IN
V
FAULT
10V/div
MAX5943A SHORT-CIRCUIT RESPONSE
(V
IN
= 8V)
MAX5943 toc19
I
IN
10A/div
V
OUT
10V/div
V
GATE2
10V/div
V
IN
10V/div
100ns/div
V
FAULT
10V/div
MAX5943E SHORT-CIRCUIT RESPONSE
(V
IN
= 24V)
MAX5943 toc20
I
IN
166A/div
V
OUT
50V/div
V
GATE2
50V/div
V
IN
50V/div
200µs/div
V
FAULT
50V/div
MAX5943E SHORT-CIRCUIT RESPONSE
(V
IN
= 8V)
MAX5943 toc21
I
IN
60A/div
V
OUT
10V/div
V
GATE2
10V/div
V
IN
10V/div
100µs/div
V
FAULT
10V/div
TIM = IN
ORing SWITCHOVER WAVEFORM
MAX5943 toc22
I
IN1
500mA/div
V
OUT
1V/div
200µs/div
I
IN2
500mA/div
V
IN1
= 12V
V
ON2
RISING = 12V
V
IN2
= 128V
C
OUT
= 0
Typical Operating Characteristics (continued)
(V
IN
= +12V, T
A
= +25°C, unless otherwise noted.)