MIC5167_12 Datasheet, PDF (7/23 Pages) Micrel Semiconductor – 1MHz, 6A, Integrated Switch, High-Efficiency, Synchronous Buck DDR Memory Terminator

Micrel, Inc.
Typical Characteristics (Continued)
VIN Operating Supply Current
vs. Temperature
15
10
V_IN = 3.3V
VTT = 0.9V
5
I_OUT = 0A
V_DDQ = 1.8V
SWITCHING
0
-50
-20 10 40 70 100 130
TEMPERATURE (°C)
VIN Shutdown Current
vs. Temperature
20
V_IN = 3.3V
16
IOUT = 0A
VEN/DLY = 0V
12
8
4
0
-50
-20 10 40 70 100 130
TEMPERATURE (°C)
0.510
0.505
0.500
VTT/VDDQ Tracking Ratio
vs. Temperature
V_IN = 3.3V
V_TT = 0.9V
IOUT = 0A
0.495
0.490
-50
-20 10 40 70 100 130
TEMPERATURE (°C)
1.0%
0.5%
Load Regulation
vs. Temperature
VIN = 3.3V
V_TT = 0.9V
I_OUT = 0A to 6A
0.0%
-0.5%
-1.0%
-50
-20 10 40 70 100 130
TEMPERATURE (°C)
Switching Frequency
vs. Temperature
1100
1050
1000
950
900
850
800
-50
VIN = 3.3V
VTT = 0.9V
I_OUT = 0A
-20 10 40 70 100 130
TEMPERATURE (°C)
Enable Input Current
vs. Temperature
5
V_IN = 3.3V
4
VEN/DLY = 0V
VTT = 0.9V
3
2
1
0
-50 -20 10 40 70 100 130
TEMPERATURE (°C)
MIC5167
VIN UVLO Threshold
vs. Temperature
3.0
Rising
2.6
2.2
Falling
1.8
1.4
1.0
-50
-20 10 40 70 100 130
TEMPERATURE (°C)
0.5%
0.4%
0.3%
Line Regulation
vs. Temperature
VIN = 2.6V to 5.5V
VTT = 0.9V
I_OUT = 0A
0.2%
0.1%
0.0%
-50
-20 10 40 70 100 130
TEMPERATURE (°C)
Current Limit
vs. Temperature
20
15
10
5
0
-50
V_IN = 3.3V
V_TT = 0.9V
-20 10 40 70 100 130
TEMPERATURE (°C)
January 2012
7
M9999-012312-B