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SC197 Datasheet(PDF) 6 Page - Semtech Corporation

Part # SC197
Description  3.5MHz, 500mA Synchronous Dual Step-Down DC-DC Regulator
PDF  20 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC197 Datasheet(HTML) 6 Page - Semtech Corporation

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SC197
6
V
IN = 4.0V for VOUT = 3.3V, VIN = 3.6V for all others. CIN = 4.7µF, COUT = 10µF, LX = 1µH, TA = 25°C unless otherwise noted.
Frequency vs. Temperature
3.0
3.2
3.4
3.6
3.8
4.0
-50
-30
-10
10
30
50
70
90
Temperature (°C)
0.8V
3.3V
1.8V
2.8V
Load Regulation (V
OUT = 1.8V)
25°C
1.76
1.78
1.80
1.82
1.84
1.86
0
100
200
300
400
500
Load Current (mA)
85°C
-40°C
-40°C
85°C
25°C
1.76
1.78
1.80
1.82
1.84
1.86
2.5
3
3.5
4
4.5
5
5.5
VIN (V)
Line Regulation (V
OUT =1.8V)
81
82
83
84
85
86
87
88
89
90
2.5
3
3.5
4
4.5
5
5.5
VIN (V)
-40°C
25°C
85°C
Efficiency vs. V
IN (VOUT =1.8V)
Typical Characteristics (continued)
I
OUT = 300mA
I
OUT = 200mA
V
IN = 3.6V
I
OUT = 200mA



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