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Monolithic Power Systems
Figure 4: Efficiency versus Input Voltage
95%
90%
85%
80%
1mA
75%
10mA
70%
100mA
65%
60%
55%
50%
3
5
7
9
Input Voltage (V)
MP1522
25V Step Up Converter
in 3mm QFN Package
Table 2: Output Current versus Input Voltage
VIN (V)
3.3
3.3
3.3
3.3
5
5
5
10
10
10
VOUT (V)
5
12
18
25
12
18
25
12
18
25
IOUT (mA)
67
28
15
10
44
32
19
122
75
51
Package Information
QFN6
SIDE VIEW
3.000 ± 0.050
0.950
BSC
SLP 6L
(3x3mm)
TOP VIEW
BOTTOM VIEW
Pin 1 Dot
By marking
0.400±0.050
2.300±0.050
exposed pad
MP1522 Rev 1.7_06/26/03
Monolithic Power Systems, Inc.
PIN #1 IDENTIFICATION
SEMI-CIRCLE R0.200
7