CM3503 Datasheet, PDF (2/6 Pages) California Micro Devices Corp – USB 5V Single 1.4A Overcurrent Switch

CALIFORNIA MICRO DEVICES
PRELIMINARY
CM3503
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
V_CC
0 to 1400
mA
Symbol
UVLO
R_SW
R_SWa
R_SWb
V_OUT
I_LIM
t_FBD
T_MAX
T_MIN
I_RCC
I_CC
I_CCQ
V_IH-EN
V_IL-EN
V_OL-OC
Electrical Operating Characteristics (over operating conditions unless specified otherwise)
Parameter
Conditions
MIN TYP MAX
V_CC voltage under which circuit T=25°C
locks out - will not operate
2.2 2.5
Switch ON-Resistance
I_LOAD = 0 to 1400mA; V_CC = 5V,
T = 25°C
0.07 0.1
Switch ON-Resistance
I_LOAD = 0 to 1400mA; V_CC = 5V,
T = 0 to +85°C
0.125
Switch ON-Resistance
I_LOAD = 0 to 1400mA; V_CC = 5V,
T = -40 to +85°C
0.125
Output Voltage
I_LOAD = 1000mA, V_CC = 5.0V,
4.9
EN#=0V, T=25°C
Over-current limit
Time delay from overcurrent
V_CC = 5V T=25°C
1400 2000 2600
10 20 30
detection to OC# output
indication (fault blanking delay)
Temperature at which switch
150
turns off during overcurrent
Temperature at which switch
125
turns on, after cooling from T_MAX
Reverse leakage from output to V_CC = 0V, V_OUT = 5V, EN# = high,
10
input
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 Logic-0 threshold
V_CC = 5V
V_CC = 5V
I_OC = 1mA to V_CC
2
0.8
0.4
UNIT
V
Ω
Ω
Ω
V
mA
ms
°C
°C
µA
µA
µA
V
V
V
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}
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