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MP2108 Scheda tecnica(PDF) 4 Page - Monolithic Power Systems

Il numero della parte MP2108
Spiegazioni elettronici  2A, 6V, 740KHz Synchronous Buck Converter
PDF  12 Pages
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Produttore elettronici  MPS [Monolithic Power Systems]
Homepage  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2108 Scheda tecnica(HTML) 4 Page - Monolithic Power Systems

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MP2108 – 2A, 6V, 740KHz SYNCHRONOUS BUCK CONVERTER
MP2108 Rev 1.1
www.MonolithicPower.com
4
10/2/2006
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2006 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS
Circuit of Figure 2, VIN = 5V, VOUT = 2.5V, L1 = 5µH, C1 = 10µF, C2 = 22µF, TA = +25°C, unless
otherwise noted.
100
90
80
70
60
50
40
30
20
10
0
0.01
0.1
1
10
LOAD CURRENT (A)
Efficiency vs
Load Current
VOUT=3.3V
VOUT=1.2V
VOUT=2.5V
VIN=5V
0.904
0.902
0.900
0.898
0.896
0.894
0.892
0.890
0.888
0.886
0.884
-50 -25
0 25 50
100
75
150
125
DIE TEMPERATURE (OC)
Feedback Voltage vs
Die Temperature
830
810
790
770
750
730
710
690
670
650
630
DIE TEMPERATURE (OC)
Switching Frequency vs
Die Temperature
-50 -25
0
25
50
100
75
125
5.0
4.5
4.0
3.5
3.0
2.5
2.0
020
60
40
80
100
DUTY CYCLE (%)
Peak Current vs
Duty Cycle



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