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SC2545 Scheda tecnica(PDF) 21 Page - Semtech Corporation

Il numero della parte SC2545
Spiegazioni elettronici  High Performance Wide Input Range Dual Synchronous Buck Controller
PDF  24 Pages
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Produttore elettronici  SEMTECH [Semtech Corporation]
Homepage  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC2545 Scheda tecnica(HTML) 21 Page - Semtech Corporation

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© 2005 Semtech Corp.
www.semtech.com
SC2545
POWER MANAGEMENT
Efficiency Curve for Vout=3.3V.
Typical Characteristics (Cont.)
Operating frequency vs. Rosc.
RILIM vs. OCP (Vi=12V).
Freq. vs. Temp. ( Rosc=75kohm, Vin=16V).
Vcc vs. Vin ( Ta=25 Degree C).
Vcc vs. Temp.
4
5
6
7
8
9
4.5 5.0
5.5 6.0
6.5 7.0 7.5
8.0 8.5
9.0 9.5
RILIM(KOHM)
50
100
150
200
250
300
350
Rosc(KOHM)
178
180
182
184
186
188
190
-40
-10
20
50
80
110
Temperature (Degree C)
9.5
9.7
9.9
10.1
10.3
10.5
10 12 14 16 18 20 22 24 26 28 30
Vin (V)
10.03
10.05
10.07
10.09
10.11
10.13
-40
-20
0
20406080
100
120
Tj (Degree C)
0%
20%
40%
60%
80%
100%
0
1234
567
89
10
Io(A)
Vin=8V
V in=16V



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