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SC2620 датащи(PDF) 7 Page - Semtech Corporation

номер детали SC2620
подробное описание детали  Dual 2A, 30V Step-down Regulator with Programmable Frequency up to 1.4MHz
PDF  26 Pages
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производитель  SEMTECH [Semtech Corporation]
домашняя страница  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC2620 датащи(HTML) 7 Page - Semtech Corporation

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© 2006 Semtech Corp.
www.semtech.com
SC2620
POWER MANAGEMENT
Typical Characteristics
FB Overload Threshold
vs Temperature
0.5
0.6
0.7
0.8
0.9
1.0
-50
-25
0
25
50
75
100
125
Temperature (°C)
Soft-Start Pin Current
vs Soft-Start Voltage
-120
-100
-80
-60
-40
-20
0
0.0
0.5
1.0
1.5
2.0
VSS (V)
ISS of the Other
Channel (VSS = 0)
ISS of the
Swept Channel
T = 25°C
VIN =5V
Efficiency vs Load Current
40
45
50
55
60
65
70
75
80
85
90
0
0.5
1
1.5
2
Load Current (A)
VOUT1 = 3.3V
VOUT2 = 1.2V
Figure 1(a), VIN=12V
VIN Supply Current
vs Soft-Start Voltage
0
1
2
3
4
0.0
0.5
1.0
1.5
2.0
VSS (V)
VSS1 = VSS2
TA = 25°C
VIN = 5V
VCOMP1 = 0
VCOMP2 = 0
PGOOD1 Threshold to VFB
Difference Voltage vs Temperature
-100
-98
-96
-94
-92
-90
-50
-25
0
255075
100 125
Temperature (°C)



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