72V, Overvoltage-Protection Switches/
Limiter Controllers with an External MOSFET
Typical Operating Characteristics (continued)
(VIN = +12V, TA = +25°C, unless otherwise noted.)
STARTUP WAVEFORM
(CIN = 100µF, COUT = 10µF, ROUT = 100Ω)
MAX6495 toc09
VIN
10V/div
VGATE
10V/div
STARTUP FROM SHUTDOWN
(CIN = 100µF, COUT = 10µF, ROUT = 100Ω)
MAX6495 toc10
VSHDN
1V/div
VGATE
10V/div
VOUT
10V/div
VOUT
10V/div
400µs/div
400µs/div
OVERVOLTAGE SWITCH FAULT
(CIN = 100µF, COUT = 10µF, ROUT = 100Ω)
MAX6495 toc11
VIN
20V/div
200µs/div
VGATE
20V/div
VOUT
20V/div
OVERVOLTAGE LIMITER
(CIN = 100µF, COUT = 10µF, ROUT = 100Ω)
MAX6495 toc12
VIN
20V/div
TRIP THRESHOLD = 28V
400µs/div
VGATE
20V/div
VOUT
20V/div
5