MIC33163 Datasheet, PDF (5/19 Pages) Micrel Semiconductor – Buck Regulator with Integrated Inductor

Micrel, Inc.
Typical Characteristics
100
90
80
70
60
50
40
30
20
10
0
10
Efficiency vs.
Output Current
V_OUT = 2.5V
V_OUT = 1.8V
V_OUT = 1.2V
V_IN = 3.3V
100
OUTPUT CURRENT(mA)
1000
MIC33163/4
Efficiency vs.
Output Current
100
90
80
70
V_OUT = 2.5V
V_OUT = 1.8V
60
V_OUT = 3.3V
V_OUT = 1.2V
50
40
30
20
V_IN = 5V
10
10
100
OUTPUT CURRENT(mA)
1000
1000000
VOUT Rise Time
vs. CSS
100000
10000
1000
100
10
1
100
V_IN = 3.6V
1000 10000 100000 1000000
CSS (pF)
Current Limit vs.
Input Voltage
4
3.8
3.6
3.4
3.2
3
2.8
2.6
2.5
3
3.5
4
4.5
5
5.5
INPUT VOLTAGE (V)
1.77
1.768
1.766
1.764
1.762
1.76
1.758
1.756
1.754
1.752
1.75
2.5
Line Regulation
(High Loads)
1A
500mA
200mA
3
3.5
4
4.5
5
5.5
INPUT VOLATGE (V)
Max. Output Current vs.
Temperature
1100
1000
900
V_IN =3.3V
800
700
600
500
400
V_IN = 5V
300
200
100
V_OUT = 1.8V
0
20
40
60
80
100 120
AMBIENT TEMPERATURE(°C)
May 22, 2014
5
Revision 1.1