Datasheet

MAX6495–MAX6499
72V, Overvoltage-Protection Switches/
Limiter Controllers with an External MOSFET
12
Maxim Integrated
OVSET
GND
GATE
IN
SHDN
OUTFB
12V IN
MAX6495
DC-DC
CONVERTER
GND
IN OUT
Figure 6. Overvoltage Limiter (MAX6495)
OVSET
GND
GATE
IN
SHDN
GATEP
OUTFB
12V
MAX6496
DC-DC
CONVERTER
GND
IN OUT
Figure 7. Overvoltage Limiter with Low-Voltage-Drop Reverse-
Protection Circuit (MAX6496)
Typical Application Circuits
OVSET
GNDPOK
GATE OUTFB
POKSET
SHDN
IN
12V
MAX6497
MAX6498
DC-DC
CONVERTER
GNDEN
IN OUT
Figure 8. Overvoltage Protection to a DC-DC Converter
(MAX6497/MAX6498)
OVSET
GND
CLEAR
GATE OUTFB
IN
SHDN
UVSET
R2
12V
R3
R1
MAX6499
DC-DC
CONVERTER
GND
IN OUT
Figure 9. Overvoltage and Undervoltage Window Detector
(MAX6499)