MP1498 – SYNCHRONOUS, STEP-DOWN CONVERTER WITH INTERNAL MOSFETS
TYPICAL CHARACTERISTICS
VIN=12V, VOUT=3.3V,L=2.2μH,TA = 25°C, unless otherwise noted.
50
40
30
20
10
0
1000
900
800
700
600
500
400
1.5
1.45
1.4
1.35
1.3
-10
-20
-30
1.25
1.2
300
200
4
6
8
10 12 14 16 18
0
5
10
15
20
-50
0
50
100
150
1.0
0.8
6.0
5.5
5.0
4.5
4.0
3.5
3.0
0.3
0.2
0.6
0.4
0.1
0.0
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
-0.1
-0.2
-0.3
0
10 20 30 40 50 60 70 80
5
6 7 8 9 10 11 12 13 14 15 16
0.0
0.4
0.8
1.2
1.6
2.0
MP1498 Rev. 1.01
12/18/2012
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