MAX6756UKLD0 데이터 시트보기 (PDF) - Maxim Integrated
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MAX6756UKLD0 Datasheet PDF : 18 Pages
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MAX6754–MAX6764
Low-Power, Single/Dual-Voltage Window Detectors
Applications Information
Microprocessor Monitoring
Figure 8 shows a microprocessor monitoring circuit. An
overvoltage condition on either the core or I/O supply
turns the SCR on, blowing the fuse to disconnect the
circuit from the power source. An optional capacitor (C1)
on the gate of the SCR provides additional transient
immunity against nuisance trips.
FUSE
UNREGULATED
POWER SOURCE
CORE
DC-DC
CONVERTER
I/O
DC-DC
CONVERTER
100kΩ
100kΩ
SCR
100kΩ
MAX6760
VCC2
MR
VCC
OVLATCH
GND
UV
SET
OV
*C1
1mF
Figure 8. Microprocessor Monitoring
*OPTIONAL.
CORE
I/O
mP
PUSH BUTTON
RESET
NMI
VCC
VCC
100Ω
VCC
VCC
SET
0.1µF
MAX6756
GND
RESET
10kΩ
µP
RESET
MR
NMI
Figure 9. MAX6756 Input Filter Connection
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