CALIFORNIA MICRO DEVICES

PRELIMINARY

CM3503

Note: This is a preliminary datasheet only. Data subject to change at any time.

© 2003 California Micro Devices Corp. All rights reserved

09/10/03

430 N. McCarthy Blvd, Milpitas, California 95035

Tel: (408) 263-3214

Fax: (408) 263-7846

www.calmicro.com

4

Response to Momentary Overcurrent Fault

I

OUT

V

OUT

OC#

Temp.

>1400mA

<150’C

V

OC# goes inactive as

soon as overcurrent

condition stops

<1300mA

OC# goes active

after 10ms (min)

20ms (typ.) delay

I

OUT

V

OUT

OC#

Temp.

T

T

150’C

Response to Continuous Overcurrent Fault

V

Total powerdown when

over-temperature limit

reached

Re-powers when

temperature drops

to 125’C

OC# goes active

after 10ms (min)

20ms (typ.) delay

OC# stays low

>1400mA