MIC22700 Datasheet, PDF (5/21 Pages) Micrel Semiconductor – 1MHz, 7A Integrated Switch High Efficiency Synchronous Buck Regulator

Micrel, Inc.
Typical Characteristics (continued)
100
95
90
85
80
75
70
65
60
55
500
Efficiency @ 1.2V_OUT
2.6VIN
5.5VIN
3.3VIN
1234567
LOAD CURRENT (A)
Bode Plot
(V_IN - 3.6V, V_O - 1.8V)
100
250
80
200
60
150
40
100
20
50
0
0
-20
-50
-40
-100
-60
-150
-80
-200
-100
100
1k 10k 100k
FREQUENCY (Hz)
-250
1M
Efficiency @ 1.8V_OUT
100
95 ^2.6VIN
90
3.3VIN
85 5.5VIN
80
75
70
65
60
55
500 _{1 2 3 4 5 6 7}
LOAD CURRENT (A)
Bode Plot
(V_IN - 5.5V, V_O - 1.8V)
100
250
80
200
60
150
40
100
20
50
0
0
-20
-50
-40
-100
-60
-150
-80
-200
-100100
1k 10k 100k
FREQUENCY (Hz)
1M-250
MIC22700
Efficiency @ 3.3V_OUT
100
95
90
85
80
75
70
65
60
55 _{VIN = 5.5V}
500 _{1 2 3 4 5 6 7}
LOAD CURRENT (A)
Bode Plot
(V_IN - 5.0V, V_O - 3.3V)
100
250
80
200
60
150
40
100
20
50
0
0
-20
-50
-40
-100
-60
-150
-80
-200
-100
100
1k 10k 100k
FREQUENCY (Hz)
-250
1M
July 2009
5
M9999-072209-B