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MIC2039 Datasheet, PDF (8/21 Pages) Micrel Semiconductor – High-Accuracy, High-Side, Adjustable Current Limit Power Switch
Micrel, Inc.
Typical Characteristics
Input Supply Current
vs. Temperature
200
VIN = 5V
175
IOUT = 0mA
150
125
100
75
50
25
0
-50 -25
0
25 50 75 100 125
TEMPERATURE (°C)
VIN OFF Current
vs. Temperature
1.50
1.25
1.00
VIN = 5V
VEN = OFF
IOUT = 0mA
0.75
0.50
0.25
0.00
-50
-25 0 25 50 75 100 125
TEMPERATURE (°C)
MIC2039
Undervoltage Lockout
vs. Temperature
2.50
2.25
VIN Rising
2.00
VIN Falling
1.75
1.50
-50 -25 0 25 50 75 100 125
TEMPERATURE (°C)
RDS(ON)
vs. Temperature
125
VIN = 5V
100
IOUT = 350mA
75
50
25
0
-50 -25
0
25 50 75 100 125
TEMPERATURE (°C)
RDS(ON)
vs. Output Current
125
VIN = 5V
100
TA = 25°C
75
50
25
0
0.0
0.5
1.0
1.5
2.0
2.5
OUTPUT CURRENT (A)
RDS(ON)
vs. Output Current
125
VIN = 3.3V
100
TA = 25°C
75
50
25
0
0.0
0.5
1.0
1.5
2.0
2.5
OUTPUT CURRENT (A)
FAULT/ Response Time
vs. Temperature
50
VIN = 5V
40
ILIMIT = 1A
NON-KICKSTART
30
20
10
0
-50 -25
0 25 50 75 100 125
TEMPERATURE (°C)
FAULT/ Response Time
vs. Temperature
250
VIN = 5V
200
ILIMIT = 1A
KICKSTART
150
100
50
0
-50 -25
0 25 50 75 100 125
TEMPERATURE (°C)
FAULT/ Response Time
vs. Output Current
250
VIN = 5V
200
TA = 25°C
KICKSTART
150
100
50
0
0.0
0.5
1.0
1.5
2.0
2.5
OUTPUT CURRENT (A)
June 7, 2013
8
Revision 1.1