MIC2103_13 Datasheet, PDF (9/38 Pages) Micrel Semiconductor – 75V, Synchronous Buck Controllers featuring Adaptive On-Time Control

Micrel, Inc.
Typical Characteristics (Continued)
V_IN Operating Supply Current
50
vs. Input Voltage (MIC2104)
0.812
Feedback Voltage
vs. Input Voltage (MIC2104)
40
0.808
30
0.804
20
VOUT = 5V
10
IOUT = 0A
fSW = 200kHz
0
10 15 20 25 30 35 40 45 50 55 60 65 70 75
INPUT VOLTAGE (V)
0.800
0.796
VOUT = 5.0V
IOUT = 0A
0.792
fSW = 200kHz
10 15 20 25 30 35 40 45 50 55 60 65 70 75
INPUT VOLTAGE (V)
V_IN Operating Supply Current
vs. Temperature (MIC2104)
40
36
32
28
24
20
16
12
8
4
0
-50
VIN = 48V
VOUT = 5.0V
IOUT = 0A
fSW = 200kHz
-25
0
25 50 75 100 125
TEMPERATURE (°C)
Load Regulation
vs. Temperature (MIC2104)
0.4%
0.3%
0.2%
0.1%
0.0%
-0.1%
-0.2%
-0.3%
-50
VIN = 48V
VOUT = 5.0V
IOUT = 0A to 10A
fSW = 200kHz
-25 0 25 50 75 100 125
TEMPERATURE (°C)
Feedback Voltage
vs. Output Current (MIC2104)
0.808
0.804
0.800
0.796
VIN = 48V
VOUT = 5.0V
fSW = 200kHz
0.792
0 1 2 3 4 5 6 7 8 9 10
OUTPUT CURRENT (A)
Line Regulation
vs. Output Current (MIC2104)
0.0%
-0.1%
-0.2%
-0.3%
-0.4%
-0.5%
VIN = 12V to 75V
VOUT = 5.0V
fSW = 200kHz
-0.6%
0 1 2 3 4 5 6 7 8 9 10
OUTPUT CURRENT (A)
MIC2103/04
Output Regulation
vs. Input Voltage (MIC2104)
1.0%
0.8%
0.6%
0.4%
0.2%
0.0%
-0.2%
-0.4%
-0.6%
-0.8%
VOUT = 5.0V
IOUT = 0A to 10A
fSW = 200kHz
-1.0%
10 15 20 25 30 35 40 45 50 55 60 65 70 75
INPUT VOLTAGE (V)
Line Regulation
vs. Temperature (MIC2104)
0.0%
-0.2%
-0.4%
-0.6%
-0.8%
-1.0%
-1.2%
-1.4%
-1.6%
-1.8%
-50
VIN = 12V to 75V
VOUT = 5.0V
IOUT = 0A
-25 0 25 50 75 100 125
TEMPERATURE (°C)
November 26, 2013
9
Revision 2.0