SC1480EVB SEMTECH [Semtech Corporation], SC1480EVB Datasheet - Page 19

• Manufacturer Part Number: SC1480EVB
• Description: DDR Memory Power Supply Controller
• Manufacturer: SEMTECH [Semtech Corporation]

POWER MANAGEMENT
Typical Characteristic (Cont.)
2006 Semtech Corp.
100
290
280
270
260
250
240
230
220
210
200
0.6
0.5
0.4
0.3
0.2
0.1
95
90
85
80
75
70
65
60
0
0.1
0
0
SC1480EVB Load Regulation at V
SC1480EVB Efficiency at V
0.5
(V
IN
1
= 15V, V
1
Frequency vs. Load Current
1
1.5
Load Current (Amps)
Output Current (Amps)
2
Load Current (Amps)
OUT
2
2
= 1.25V, Rton = 1M)
3
2.5
3
3
4
OUT
3.5
= 1.25V
OUT
4
4
5
= 1.25V
VIN=4.5V
VIN=10V
VIN=14V
VIN=19V
VIN=25V
VIN=25V
VIN=14V
VIN=4.5V
4.5
5
6
5
19
0.6
0.5
0.4
0.3
0.2
0.1
280
270
260
250
240
230
220
210
200
600
500
400
300
200
100
0
0
SC1480EVB Line Regulation at V
4.5
400
5
(I
(V
OUT
IN
500
Frequency vs. Input Voltage
= 1A, V
= 15V, V
10
10
Rton vs. Frequency
600
Input Voltage (Volts)
Input Voltage (Volts)
OUT
OUT
Rton (kohms)
= 1.25V, Rton = 1M)
= 1.25V, I
15
700
14
800
OUT
20
OUT
= 1A)
19
SC1480
www.semtech.com
= 1.25V
1000
IOUT=0A
IOUT=1A
IOUT=2A
IOUT=3A
IOUT=4A
IOUT=5A
25
1500
25