CM3512 Datasheet, PDF (4/11 Pages) California Micro Devices Corp – Dual USB Overcurrent 1.2A Switches with Independent Controls

CALIFORNIA MICRO DEVICES
Preliminary
CM3512
Response to Momentary Overcurrent Fault
>1200mA
<1100mA
I_OUT
V_OUT
V_OUT drops to reduce I_OUT
OC#
Die
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
>1200mA
V_OUT drops to reduce I_OUT
Total powerdown when
over-temperature limit
reached
Re-powers when
temperature drops
to 125’C
OC#
Die
Temp.
OC# goes active
after 10ms (min)
20ms (typ.) delay
T_MAX = 150’C
OC# stays low
150’C
Note: The other port stays on (unless it is also in current limit.)
T_MIN = 125’C
© 2003 California Micro Devices Corp. All rights reserved
11/10/03 ^{430 N. McCarthy Blvd, Milpitas, California 95035 Tel: [phone] Fax: [phone]}
www.calmicro.com
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