MIC33263 Datasheet, PDF (6/19 Pages) Micrel Semiconductor – Buck Regulator with Integrated Inductor

Micrel, Inc.
Typical Characteristics (Continued)
Output Voltage
vs. Output Current (CCM)
2.06
2.05
2.04
2.03
2.02
2.01
2
1.99
1.98
1.97
1.96
1.95
V_IN = 3.6V
1.94
200 400 600 800 1000 1200 1400 1600 1800 2000
OUTPUT CURRENT (mA)
Output Voltage
vs. Temperature
2.1
2.08
2.06
2.04
2.02
2
1.98
1.96
1.94
1.92
V_IN = 3.6V
1.9
-40 -20
0 20 40 60 80 100 120
TEMPERATURE (°C)
UVLO Threshold
vs. Temperature
2.56
2.54
UVLO ON
2.52
2.5
2.48
2.46
UVLO OFF
2.44
2.42
2.4
-40 -20
V_IN = 3.6V
0 20 40 60 80 100 120
TEMPERATURE (°C)
Enable Threshold
vs. Temperature
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
-40 -20
V_IN = 3.6V
0 20 40 60 80 100 120
TEMPERATURE (°C)
10000
Switching Frequency
vs. Output Current
1000
VIN = 3.6V
100
VIN = 5V
10
1
1
V_OUT = 2V
10
100
1000
10000
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
LOAD = 50Ω
0.68
-40 -20 0 20 40 60 80 100 120
TEMPERATURE(°C)
MIC33263/4
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
VIN (V)
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
3
3.5
4
4.5
5
5.5
INPUT VOLTAGE (V)
Shutdown Current
vs. Temperature
0.2
0.18
0.16
0.14
0.12
0.1
0.08
0.06
0.04
0.02
V_IN = 3.6V
0
-40 -20
0 20 40 60 80 100 120
TEMPERATURE (°C)
May 15, 2014
6
Revision 1.1