MIC2101 Datasheet, PDF (10/37 Pages) Micrel Semiconductor – 38V, Synchronous Buck Controllers Featuring Adaptive On-Time Control

Micrel, Inc.
Typical Characteristics (Continued)
Die Temperature* (V_IN = 5.0V)
vs. Output Current
80
60
40
20
V_IN = 5.0V
V_OUT = 3.3V
f_SW = 600kHz
0
0 1 2 3 4 5 6 7 8 9 10 11 12
OUTPUT CURRENT (A)
Die Temperature* (V_IN = 12V)
vs. Output Current
100
80
60
40
V_IN = 12V
20
V_OUT = 3.3V
f_SW = 600kHz
0
0 1 2 3 4 5 6 7 8 9 10 11 12
OUTPUT CURRENT (A)
Die Temperature* (V_IN = 38V)
vs. Output Current
160
140
120
100
80
60
40
V_IN = 38V
V_OUT = 3.3V
20
f_SW = 600kHz
0
0 1 2 3 4 5 6 7 8 9 10 11 12
OUTPUT CURRENT (A)
Die Temperature* (V_IN = 5.0V)
vs. Output Current
80
60
40
20
V_IN = 5.0V
V_OUT = 1.2V
f_SW = 600kHz
0
0 1 2 3 4 5 6 7 8 9 10 11 12
OUTPUT CURRENT (A)
Die Temperature* (VIN = 24V)
vs. Output Current
120
100
80
60
40
V_IN = 24V
20
V_OUT = 1.2V
f_SW = 600kHz
0
0 1 2 3 4 5 6 7 8 9 10 11 12
OUTPUT CURRENT (A)
Die Temperature* (V_IN = 38V)
vs. Output Current
160
140
120
100
80
60
40
V_IN = 38V
V_OUT = 1.2V
20
f_SW = 600kHz
0
0 1 2 3 4 5 6 7 8 9 10 11 12
OUTPUT CURRENT (A)
MIC2101/02
Die Temperature* (V_IN = 24V)
vs. Output Current
120
100
80
60
40
V_IN = 24V
20
V_OUT = 3.3V
f_SW = 600kHz
0
0 1 2 3 4 5 6 7 8 9 10 11 12
OUTPUT CURRENT (A)
Die Temperature* (V_IN = 12V)
vs. Output Current
100
80
60
`
40
V_IN = 12V
20
V_OUT = 1.2V
f_SW = 600kHz
0
0 1 2 3 4 5 6 7 8 9 10 11 12
OUTPUT CURRENT (A)
Case Temperature* : The temperature measurement was taken at the hottest point on the MIC2101/02 case mounted on a 5 square inch PCB, see
Thermal Measurement section. Actual results will depend upon the size of the PCB, ambient temperature and proximity to other heat emitting
components.
August 2012
10
M9999-080712-A