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MP2459 Datasheet(PDF) 5 Page - Monolithic Power Systems

Part # MP2459
Description  0.5A, 55V, 480kHz Step-Down Converter in a TSOT23-6
PDF  13 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2459 Datasheet(HTML) 5 Page - Monolithic Power Systems

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MP2459 – 0.5A, 55V, 480kHz, STEP-DOWN CONVERTER IN A TSOT23-6
MP2459 Rev. 1.0
www.MonolithicPower.com
5
3/4/2013
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS
VIN=12V, VOUT=5V, L=22µH, TA=25°C, unless otherwise noted.
750
770
790
810
830
850
400
440
480
520
560
600
-2.0
-1.6
-1.2
-0.8
-0.4
0.0
0.4
0.8
1.2
1.6
2.0
6
16
26
36
46
56
-2.0
-1.6
-1.2
-0.8
-0.4
0.0
0.4
0.8
1.2
1.6
2.0
0.00.10.20.30.40.50.60.70.8
30
40
50
60
70
80
90
100
0.0
0.2
0.4
0.6
0.8
1.0
LOAD CURRENT ( A )
LOAD CURRENT ( A )
-2.0
-1.6
-1.2
-0.8
-0.4
0.0
0.4
0.8
1.2
1.6
2.0
6
16
26
36
46
56
INPUT VOLTAG ( V )
INPUT VOLTAG ( V )
-2.0
-1.6
-1.2
-0.8
-0.4
0.0
0.4
0.8
1.2
1.6
2.0
0.00.10.20.30.40.50.60.70.8
30
40
50
60
70
80
90
100
0.0
0.2
0.4
0.6
0.8
1.0
LOAD CURRENT ( A )
LOAD CURRENT ( A )
Load Regulation
Line Regulation
IOUT =0.5A
Load Regulation
VOUT =3.3V
Efficiency vs. Load
0.5
0.8
1.1
1.4
1.7
2.0
-40 -10 20
50
80
110 140
-40 -10 20
50
80
110 140
-40 -10 20
50
80
110 140



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