CM3512 Datasheet, PDF (2/11 Pages) California Micro Devices Corp – Dual USB Overcurrent 1.2A Switches with Independent Controls

CALIFORNIA MICRO DEVICES
Preliminary
CM3512
Absolute Maximum Ratings
Parameter
Rating
Unit
ESD Protection (All pins, HBM)
± 2000
V
V_CC Input Voltage
Storage Temperature Range
+ 5.6, Gnd - 0.5
V
-55 to +150
Operating Ambient
Operating Junction
-40 to +85
°C
-40 to +150*
Output Current Loading
Internally limited
A
Package Power Dissipation
0.5
W
*Internally limited
Operating Conditions (unless specified otherwise)
Parameter
Range
Unit
V_CC Input Voltage
4.5 to 5.5
V
Ambient Temperature
-40 to +85
°C
I_LOAD per port_B
0 to 1200 00
mA
Symbol
UVLO
R_SW
V_OUT1,
V_OUT2
I_LIM
t_FBD
T_MAX
T_MIN
I_{R CC}
I_CC
I_CCQ
V_IH-EN
V_IL-EN
I_OHZ-OC
V_OL-OC
Electrical Operating Characteristics (over operating conditions unless specified otherwise)
Parameter
Conditions
MIN TYP MAX
V_CC voltage under which circuit
locks out - will not operate
2.2 2.5
Switch ON-Resistance
I_LOAD = 0 to 1200mA; V_CC = 5V,
T= 25°C
0.13 0.2
Output Voltage
I_LOAD = 1000mA, V_CC = 5.0V,
4.8
EN# = 0V, T = 25°C
Over-current limit
V_CC = 5V, T = 25°C
1200
Time delay from overcurrent
10
20
detection to OC# output
indication (fault blanking delay)
Temperature at which hot switch
150
turns off during overcurrent
Temperature at which cool
125
switch turns on, after cooling
from T_MAX
Reverse leakage from outputs V_CC = 0V, V_OUT1,2 = 5V,
1
to input
EN# =high, T=25°C
Operating supply current
EN# = low
95
Quiescent current
EN# = high
1
EN# input Logic-1 threshold
EN# input Logic-0 threshold
OC# output OFF state leakage
OC# output Logic-0 threshold
V_CC = 5V
V_CC = 5V
V_CC = 5V, V_OUT = 5V
I_OC = 1mA to V_CC
2
0.8
1.0
0.4
UNIT
V
Ω
V
mA
ms
°C
°C
µA
µA
µA
V
V
uA
V
© 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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