CAT885

Doc. No. MD-3028 Rev. C

2

© 2009 SCILLC. All rights reserved.

Characteristics subject to change without notice

FUNCTIONAL BLOCK DIAGRAM

RST

MR

Reset

Signal

V3MON

V4MON

PB

V5MON

POR

120 ms

TIME-OUT

PIN FUNCTIONS

Pin #

Pin

Function

1

MR

¯¯¯

Active-low manual reset Input with internal pull-up resistor

2

Chip supply, first preset under-voltage detector input

3

Second preset under-voltage detector input

4

Ground

5

V3MON

Adjustable third under-voltage detector input

6

V4MON

Adjustable fourth under-voltage detector input

7

V5MON

Adjustable fifth under-voltage detector input

8

RST

¯¯¯¯

Active-low open drain reset output, use external resistor