MIC45212 Datasheet, PDF (6/31 Pages) Micrel Semiconductor – 26V/14A DC-to-DC Power Module

Micrel, Inc.
Typical Characteristics
VIN Operating Supply Current
vs. Input Voltage (MIC45212-1)
1.00
0.80
V_OUT = 1.8V
I_OUT = 0A
f_SW = 600kHz
0.60
0.40
0.20
0.00
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
TEMPERATURE (°C)
100 125
Feedback Voltage
vs. Temperature
1.1
1.0
0.9
0.8
0.7
V_IN = 12V
V_OUT = 1.8V
I_OUT = 0A
0.6
0.5
-50 -25 0
25 50 75 100 125
TEMPERATURE (°C)
VIN Operating Supply Current
vs. Temperature (MIC45212-2)
100
80
60
V_IN = 12V
40
V_OUT = 1.8V
I_OUT = 0A
20
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
Output Voltage
vs. Temperature
2.1
2.0
1.9
1.8
1.7
V_IN = 12V
V_OUT= 1.8V
1.6
I_OUT = 0A
1.5
-50 -25
0 25 50 75 100 125
TEMPERATURE (°C)
MIC45212
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)
EN Bias Current
vs. Temperature
10
V_IN = 12V
V_OUT = 1.8V
8
I_OUT = 0A
6
4
2
0
-50 -25 0
25 50 75 100 125
TEMPERATURE (°C)
Switching Frequency
vs. Temperature
900
800
700
600
500
V_IN = 12V
V_OUT = 1.8V
I_OUT = 2A
400
300
-50
-25 0 25 50 75
TEMPERATURE (°C)
100 125
April 28, 2014
6
Revision-1.0