PST523 Datasheet and Specifications PDF

The PST523 is a Monolithic IC.

Part Number	PST523 Datasheet
Description	Battery Backup IC
Manufacturer	MITSUMI
Overview	MITSUMI Battery Backup IC Battery Backup IC 1. Background of Development Around 1985 when began the sales of IC for microcomputer peripheral equipment and system reset IC, a set manufacture inquired. ly over to battery, and monitor the residual voltage of the battery, to take a few examples. 3. Basic Configuration Fig. 1 below illustrates the basic configuration of the backup IC. We have PST531, PST532 and MM1026 as IC of the basic configuration. 3-1 Battery/Main Supply Changeover Circuit 1. 3..