MIC33163 Datasheet, PDF (6/19 Pages) Micrel Semiconductor – Buck Regulator with Integrated Inductor

Micrel, Inc.
Typical Characteristics (Continued)
Output Voltage
vs. Output Current (DCM)
1.78
1.77
1.76
1.75
1.74
1.73
1.72
0
V_IN = 3.6V
20 40 60 80 100 120 140
OUTPUT CURRENT (mA)
Output Voltage
vs. Output Current (CCM)
1.78
1.77
1.76
1.75
1.74
1.73
1.72
V_IN = 3.6V
100 200 300 400 500 600 700 800 900 1000
OUTPUT CURRENT (mA)
MIC33163/4
1.85
1.83
1.81
1.79
1.77
1.75
1.73
1.71
1.69
1.67
1.65
-40
Output Voltage
vs. Temperature
V_IN = 3.6V
-20 0 20 40 60 80 100
TEMPERATURE (°C)
92
91
90
89
88
87
86
85
84
83
82
2.5
PG Threshold
vs. Input Voltage
PG RISING
PG FALLING
3
3.5
4
4.5
5
5.5
INPUT VOLTAGE (V)
UVLO Threshold
vs. Temperature
2.6
2.58
UVLO ON
2.56
2.54
2.52
2.5
UVLO OFF
2.48
2.46
2.44
-40 -20 0 20 40 60 80 100
TEMPERATURE (°C)
1
0.95
0.9
0.85
0.8
0.75
0.7
0.65
0.6
2.5
Enable Thresholds
vs. Input Voltage
C_FF = 1nF
T_CASE = 25°C
V_OUT = 2V
3
3.5
4
4.5
5
5.5
INPUT VOLTAGE (V)
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
-40
Enable Threshold
vs. Temperature
V_IN = 3.6V
-20 0 20 40 60 80 100
TEMPERATURE (°C)
10000
Switching Frequency
vs. Output Current
1000
V_IN = 5V
100
V_IN = 3.6V
10
1
1
10
100
1000
OUTPUT CURRENT (mA)
Feedback Voltage
vs. Temperature
0.72
0.715
0.71
0.705
0.7
0.695
0.69
0.685
V_IN =3.6V
V_OUT = 1.75V
I_OUT = 30mA
0.68
-40 -20 0
20 40 60 80 100
TEMPERATURE (°C)
May 22, 2014
6
Revision 1.1