Rainbow Electronics MAX5943 - Manual (Page 8)

MAX5943
FireWire Current Limiter and Low-Drop
ORing Switch Controller
8 _______________________________________________________________________________________
ORing SWITCHOVER WAVEFORM
(V IN2 RISING ABOVE V IN1 )
MAX5943 toc23
I IN1
500mA/div
V OUT
1V/div
10µs/div
I IN2
500mA/div
V IN1 = 12V V ON2 RISING = 12V
V IN2 = 13V C OUT = 0
ORing SWITCHOVER WAVEFORM
(V IN2 FALLING BELOW V IN1 )
MAX5943 toc24
I IN1
500mA/div
V OUT
1V/div
20µs/div
I IN2
500mA/div
V IN1 = 12V V ON2 FALLING = 12V
V IN2 = 13V C OUT = 0
MAX5943A HOT PLUG-IN LOAD CAPACITANCE
INTO ACTIVE PORT (NO FAULT)
MAX5943 toc25
I IN
2A/div
V FAULT
10V/div
400µs/div
V OUT
10V/div
C LOAD = 220µF
TIM = IN
V GATE2
10V/div
MAX5943A HOT PLUG-IN LOAD CAPACITANCE
INTO ACTIVE PORT (CURRENT-LIMIT TIMEOUT)
MAX5943 toc26
I IN
1A/div
V FAULT
10V/div
400µs/div
V OUT
10V/div
C LOAD = 470µF
TIM = IN
V
GATE2
10V/div
Typical Operating Characteristics (continued)
(V IN = +12V, T A = +25°C, unless otherwise noted.)