MIC22601 Datasheet, PDF (5/18 Pages) Micrel Semiconductor – 4 MHz, 6A Integrated Switch Synchronous Buck Regulator

Micrel, Inc.
Typical Characteristics (continued)
Efficiency
vs. Load Current
100
90
V_IN = 3.6V
80
V_IN = 5V
70
Efficiency
vs. Output Current
100
V_IN = 2.5V
90
V_IN = 3.6V
80
V_IN = 5V
70
60
50
V_OUT = 3.3V
T_A = 25°C
L = 470nF
400 _{1 2 3 4 5 6}
OUTPUT CURRENT (A)
60
50
V_OUT = 1.8V
T_A = 25°C
L = 470nF
400 _{1 2 3 4 5 6}
OUTPUT CURRENT (A)
Bode (5V to 1.8V - 6A)
470nH and 47µF
50
180
40
144
30
Phase
108
20
72
10
Gain
36
0
0
Bode (3.3V to 1.8V - 6A)
470nH and 47µF
50
180
40
144
30
Phase
108
20
72
10
Gain
36
0
0
100µF OSCON on V_IN
1
10 100 1000 10000
FREQUENCY (kHz)
100µF OSCON on V_IN
1
10 100 1000 10000
FREQUENCY (kHz)
MIC22601
Efficiency
vs. Output Current
100
90 V_IN = 3.3V
80
70
V_IN = 5V
60
50
V_OUT = 1V
L = 470nF
400 _{1 2 3 4 5 6}
OUTPUT CURRENT (A)
Bode (5V to 3.3V - 6A)
470nH and 47µF
50
180
40
144
30
Phase
108
20
72
10
Gain
36
0
0
100µF OSCON on V_IN
1
10 100 1000 10000
FREQUENCY (kHz)
May 2009
5
M9999-050509-A