APL6535 Anpec Electronics Coropration, APL6535 Datasheet - Page 9

• Manufacturer Part Number: APL6535
• Description: Two-channel Supervisory IC
• Manufacturer: Anpec Electronics Coropration

APL6535
Application Information
PGOOD
The APL6535 is a four channel supervisory IC designed
to monitor multiple voltages greater than 0.7V. This
IC is suitable for both microprocessors or industrial
system applications. Once biased to 2.6V and en-
abled the IC continuously monitors from one to four
voltages independently through external resistor di-
viders comparing each VMON pin voltage to an inter-
nal 0.633V reference. The PGOOD output is an open-
drain to allow ORing of the signals and interfacing to a
wide range of logic levels. If less than four voltages
are being monitored, connect the unused VMON pins
to V
. The PGOOD pin has an internal 20kW pull-up
CC
to V
making an external pull-up resistor
CC
unnecessary.
Falling Edge Glitch Filter
Once any VMON input falls below 0.633V the PGOOD
output is pulled low, the VMON inputs are designed
to reject fast transients (30us).
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Copyright
ANPEC Electronics Corp. Rev.
9
Rev. A.1 - May., 2005