FX5545G105 Datasheet, PDF (4/4 Pages) Vishay Siliconix – Industry Smallest and Low Profile 6.5W 2.0A DC/DC Buck Converter with High Output Power Density

FX5545G105
Vishay
2.6
2.55
2.5
2.45
2.4
2.35
2.3
0
Vout Vs. lout*
Vin = 3.6V; Vout = 2.5V
0.5
1
1.5
2
lout (A)
PWM MODE
2.6
2.55
2.5
2.45
2.4
2.35
2.3
2.5
0
Vout Vs. Vin*
Iout = 1A
Iout = 0.5A
Iout = 2A
2
4
6
8
Vin (V)
∆ Temp. Vs. lout*
Above 25°C Ambient Temperature: For Vin = 6V
40
35
30
25
20
15
10
5
0
0
0.5
1
1.5
lout (A)
2
2.5
Efficiency Vs. lout*
Vin = 3.6V; Vin = 2.5V
100
95
90
85
80
75
70
65
60
55
50
0
0.5
1
1.5
lout (A)
2
2.5
3.4
3.38
3.36
3.34
3.32
3.3
3.28
3.26
3.24
3.22
3.2
3
Vout Vs. Vin*
lout = 0.1A
4
5
6
Vin (V)
PSM MODE
3.4
3.38
3.36
3.34
3.32
3.3
3.28
3.26
3.24
3.22
3.2
7
0
Vout Vs. lout*
Vin = 6V
0.05
0.1
0.15
0.2
0.25
Iout (A)
Efficiency Vs. lout*
100
90
80
70
60
50
40
30
20
10
0
0
Vin = 4V
Vin = 6V
0.05
0.1
0.15
0.2
0.25
Iout (A)
*Note: Measurements were taken with Power supply: ZUP 20-40 from Nemic Lambda; Electronic load: 6063B from Agilent; Multimeter: Fluke 45
from Fluke and 34401 digital multimeter from Agilent; Scope: Infiniium 54815A from Agilent.
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30
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Document Number: 10114
Revision: 21-Jan-05