CM3503 Datasheet, PDF (4/6 Pages) California Micro Devices Corp – USB 5V Single 1.4A Overcurrent Switch

CALIFORNIA MICRO DEVICES
PRELIMINARY
CM3503
Response to Momentary Overcurrent Fault
>1400mA
<1300mA
I_OUT
V_OUT
V_OUT drops to reduce I_OUT
OC#
Temp.
OC# goes active
after 10ms (min)
20ms (typ.) delay
OC# goes inactive as
soon as overcurrent
condition stops
<150’C
Response to Continuous Overcurrent Fault
I_OUT
V_OUT
>1400mA
V_OUT drops to reduce I_OUT
Total powerdown when
over-temperature limit
reached
Re-powers when
temperature drops
to 125’C
OC#
Temp.
OC# goes active
after 10ms (min)
20ms (typ.) delay
T_MAX = 150’C
OC# stays low
150’C
T_MIN = 125’C
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: [phone] Fax: [phone] www.calmicro.com}
4