MIC45208-1 Datasheet, PDF (6/35 Pages) Micrel Semiconductor – 26V 10A DC-to-DC Power Module

Micrel, Inc.
Typical Characteristics
VIN Operating Supply Current
vs. Temperature (MIC45208-1)
600
480
360
V_IN = 12V
240
V_OUT = 1.8V
I_OUT = 0A
120
0
-50 -25 0
25 50 75 100 125
TEMPERATURE (°C)
VIN Operating Supply Current
vs. Temperature (MIC45208-2)
100
V_OUT = 1.8V
I_OUT = 0A
80
f_SW = 600kHz
60
40
20
0
-50 -25 0 25 50 75 100 125
TEMPERATURE (°C)
MIC45208
VIN Shutdown Current
vs. Input Voltage
50
V_EN = 0V
R10 = OPEN
40
30
20
10
0
4.5
8.8
13.1
17.4
21.7
26
INPUT VOLTAGE (V)
VDD Supply Voltage
vs. Temperature
10
V_IN = 12V
8
V_OUT = 1.8V
I_OUT = 0A
6
4
2
0
-50 -25
0 25 50 75 100 125
TEMPERATURE (°C)
Enable Threshold
vs. Temperature
2.0
1.6
RISING
1.2
FALLING
0.8
0.4
V_IN = 12V
V_OUT = 1.8V
0.0
-50
-25 0 25 50 75
TEMPERATURE (°C)
100 125
EN Bias Current
vs. Temperature
10
V_IN = 12V
8
V_OUT = 1.8V
I_OUT = 0A
6
4
2
0
-50 -25 0
25 50 75 100 125
TEMPERATURE (°C)
Feedback Voltage
vs. Temperature
1.1
1.0
0.9
0.8
V_IN = 12V
0.7
V_OUT = 1.8V
I_OUT = 0A
0.6
0.5
-50 -25
0 25 50 75 100 125
TEMPERATURE (°C)
Output Voltage
vs. Temperature
2.1
2.0
1.9
1.8
1.7
1.6
1.5
-50
V_IN = 12V
V_OUT= 1.8V
I_OUT = 0A
-25 0 25 50 75 100 125
TEMPERATURE (°C)
Switching Frequency
vs. Temperature
900
800
700
600
500
V_IN = 12V
400
V_OUT = 1.8V
I_OUT = 2A
300
-50 -25 0 25 50 75 100 125
TEMPERATURE (°C)
February 6, 2015
6
Revision 2.0