Microchip SG117T-883B

Manufacturer No:

SG117T-883B

Manufacturer:

Microchip

Package:

TO-205AD, TO-39-3 Metal Can

Description:

DC:AC Quad Line Fault Monitor 2.5V Tolerance AC line Vin 4.5 to 40V-55 to +125

Quantity:

Delivery:

Payment:

In Stock :Available

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SG117T-883B information

Microchip SG117T-883B technical specifications, attributes, parameters and parts with similar specifications to Microchip SG117T-883B.

Type
Parameter

Driver Type
Detector

Min Operating Voltage (V)
999999

Max Operating Voltage (V)
999999

Nominal Reset Voltage Min
999999

Nominal Reset Voltage Max
999999

Watchdog Timer
No

Manual Reset
No

Power Fail
No

Min Operating Ambient Temperature (°C)
999999

Max Operating Ambient Temperature (°C)
999999

Download datasheets and manufacturer documentation for Microchip SG117T-883B.

The SG1548 is an integrated circuit capable of monitoring up to four positive DC supply voltages simultaneously for overvoltage and undervoltage fault conditions. An on-chip inverting op amp also allows monitoring one negative DC voltage. The fault tolerance window is accurately programmable from ±5% to ±40% using a simple divider network on the 2.5V reference. A single external capacitor sets the fault indication delay, eliminating false outputs due to switching noise, logic transition current spikes, and short-term AC line interruptions. An additional comparator referenced to 2.5V allows the AC line to be monitored for undervoltage conditions or for generation of a line clock. The comparator can also be used for programmable undervoltage lockout in a switching power supply. Uncommitted collector and emitter outputs permit both inverting and non-inverting operation. External availability of the precision 2.5V reference and open-collector logic outputs permit expansion to monitor additional voltage using available open-collector quad comparators.

Monitors four DC voltages and the AC line
Precision 2.5V ±1% low-drift reference
Fault tolerance adjustable from ±5% to ±40%
±3% trip threshold tolerance over temperature
Separate 10mA, 40V overvoltage, undervoltage and AC line fault outputs
Fault delay programmable with a single capacitor
30mV comparator hysteresis to prevent oscillations
On-chip inverting op amp for negative voltage
Open-collector output logic or expandability
Operation from 4.5V to 40V supply

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