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AN2603 Datasheet(PDF) 18 Page - STMicroelectronics

Part # AN2603
Description  ST1S09 high efficiency synchronous buck converter
PDF  23 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2603 Datasheet(HTML) 18 Page - STMicroelectronics

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Typical performance characteristics
AN2603
18/23
Doc ID 13778 Rev 3
Figure 17.
Inhibit voltage vs. temperature
Figure 18.
Efficiency vs. output current
Figure 19.
Efficiency vs. output voltage
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
-75
-50
-25
0
25
50
75
100 125 150 175
T [°C]
ON
OFF
Vin=5V ,Vinh from 0 to 2V, Iout=from 10mA to 2A,
L=3.3µH, Cin=4.7µF, Cout=22µF
25
35
45
55
65
75
85
95
0
500
1000
1500
2000
Iout [mA]
Vout=1.2V
Vout=2.5V
Vout=3.3V
Vin=5V , L=3.3µH, Cin=4.7µF,
Cout=22µF
50
55
60
65
70
75
80
85
90
95
100
0.51
1.52
2.53
3.54
Vout [V]
Iout=500mA
Iout=1A
Vin=5V , L=3.3µH,
Cin=4.7µF, Cout=22µF



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