SC480 SEMTECH [Semtech Corporation], SC480 Datasheet - Page 21

• Manufacturer Part Number: SC480
• Description: Complete DDR1/2/3 Memory Power Supply
• Manufacturer: SEMTECH [Semtech Corporation]

POWER MANAGEMENT
Typical Characteristics
© 2006 Semtech Corp.
100%
100%
90%
80%
70%
60%
50%
90%
80%
70%
60%
50%
100%
90%
80%
70%
60%
50%
0
0
0
VBAT = 10
1.5V Effi ciency vs. Output Current
VBAT = 20
1.8V Effi ciency vs. Output Current
VBAT = 10
2.5V Effi ciency vs. Output Current
2
2
VBAT = 20
VBAT = 10
2
VBAT = 20
Powersave Mode
Powersave Mode
Powersave Mode
4
4
4
I
I
OUT
OUT
I
OUT
(A)
(A)
(A)
6
6
6
8
8
8
10
10
10
21
100%
100%
100%
90%
80%
70%
60%
50%
90%
80%
70%
60%
50%
90%
80%
70%
60%
50%
0
0
0
VBAT = 10
VBAT = 10
2.5V Effi ciency vs. Output Current
1.8V Effi ciency vs. Output Current
1.5V Effi ciency vs. Output Current
VBAT = 10
VBAT = 20
Continuous Conduction Mode
Continuous Conduction Mode
Continuous Conduction Mode
VBAT = 20
2
2
2
VBAT = 20
4
4
4
I
I
OUT
OUT
I
OUT
(A)
(A)
(A)
6
6
6
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SC480
8
8
8
10
10
10