High-Reliability Single Supply Monitors
Overview
Monitor voltage and/or current of a single power supply. Contain all the functions necessary to monitor and control the output of a sophisticated power supply system. Over-voltage sensing with
provision to trigger an external SCR “crowbar” shutdown; an under-voltage circuit which can be used to monitor either the output or sample the input line voltage;
and a third op amp/comparator usable for current sensing are all included in this IC, together with an independent, accurate reference generator.
Package Descriptions:
J: DIP-18, Ceramic
L: LCC-20, Ceramic
The -8 and -D correspond to the MIL-SPEC-883B and the DESC spec respectively.
| P/N | J | J-8 | J-D | L | L-8 | L-D | Min Monitored Voltage |
Trange (oC) |
| SG1543 | J | J-8 | J-D | L | L-8 | L-D | 2.5V | -55 to 125 |
| SG1544 | J | J-8 | J-D | 1.7V | -55 to 125 |
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