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AN2603 Datasheet(PDF) 17 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) 17 Page - STMicroelectronics

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AN2603
Typical performance characteristics
Doc ID 13778 Rev 3
17/23
5
Typical performance characteristics
Figure 14.
Feedback voltage vs. temperature
Figure 15.
Output voltage vs. input voltage
Figure 16.
Over voltage protection vs. temperature
760
770
780
790
800
810
820
830
840
-75
-50
-25
0
25
50
75
100 125 150 175
T [°C]
Vin=5V , Iout=10mA, L=3.3µH,
C1=4.7µF, C2=22µF, Vout=1.2V
0.00
0.20
0.40
0.60
0.80
1.00
1.20
1.40
01
23
456
Vin [V]
ST1S09I
ST1S09
Vin = VInh= from 0 to 5.5V ,
Iout=2A ,L=3.3µH, C1=4.7µF,
C2=22µF, Vout=1.2V
0.78
0.79
0.8
0.81
0.82
0.83
0.84
0.85
0.86
-75
-50
-25
0
25
50
75
100 125 150 175
T [°C]
OVP ON
OVP OFF
Vin=5V, C1=4.7µF,
C2=22µF, Vout=1.2V



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