MP1498 – SYNCHRONOUS, STEP-DOWN CONVERTER WITH INTERNAL MOSFETS
TYPICAL PERFORMANCE CHARACTERISTICS
Performance waveforms are tested on the evaluation board in the Design Example section.
VIN=12V, VOUT=3.3V,L=2.2μH,TA = 25°C, unless otherwise noted.
100
95
90
85
80
75
70
65
60
55
50
100
95
90
85
80
75
70
65
60
100
95
90
85
80
75
70
65
60
55
50
0.0
55
50
0.0
0.4
0.8
1.2
1.6
2.0
0.4
0.8
1.2
1.6
2.0
0.0
0.4
0.8
1.2
1.6
2.0
100
95
90
85
80
75
70
65
60
100
95
90
85
80
75
70
65
100
95
90
85
80
75
70
65
60
60
55
50
55
50
0.0
55
50
0.0
0.4
0.8
1.2
1.6
2.0
0.4
0.8
1.2
1.6
2.0
0.0
0.4
0.8
1.2
1.6
2.0
25
20
25
20
25
20
15
10
15
10
15
10
5
0
5
0
5
0
0.5
1
1.5
2
0.5
1
1.5
2
0.5
1
1.5
2
MP1498 Rev. 1.01
12/18/2012
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