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SC1480ITSTRT Datasheet(PDF) 19 Page - Semtech Corporation

Part # SC1480ITSTRT
Description  DDR Memory Power Supply Controller
PDF  22 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC1480ITSTRT Datasheet(HTML) 19 Page - Semtech Corporation

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19
 2006 Semtech Corp.
www.semtech.com
SC1480
POWER MANAGEMENT
SC1480EVB Efficiency at V
OUT = 1.25V
SC1480EVB Line Regulation at V
OUT = 1.25V
SC1480EVB Load Regulation at V
OUT = 1.25V
Frequency vs. Input Voltage
(I
OUT = 1A, VOUT = 1.25V, Rton = 1M)
Frequency vs. Load Current
(V
IN = 15V, VOUT = 1.25V, Rton = 1M)
Rton vs. Frequency
(V
IN = 15V, VOUT = 1.25V, IOUT = 1A)
60
65
70
75
80
85
90
95
100
0.1
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
Output Current (Amps)
VIN=25V
VIN=14V
VIN=4.5V
0
0.1
0.2
0.3
0.4
0.5
0.6
012345
Load Current (Amps)
VIN=4.5V
VIN=10V
VIN=14V
VIN=19V
VIN=25V
200
210
220
230
240
250
260
270
280
290
0123456
Load Current (Amps)
0
0.1
0.2
0.3
0.4
0.5
0.6
4.5
10
14
19
25
Input Voltage (Volts)
IOUT=0A
IOUT=1A
IOUT=2A
IOUT=3A
IOUT=4A
IOUT=5A
0
100
200
300
400
500
600
400
500
600
700
800
1000
1500
Rton (kohms)
200
210
220
230
240
250
260
270
280
5
10152025
Input Voltage (Volts)
Typical Characteristic (Cont.)



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