SC2446 Semtech Corporation, SC2446 Datasheet - Page 30

• Manufacturer Part Number: SC2446
• Description: Dual-Phase Single or Two Output Synchronous Step-Down Controller
• Manufacturer: Semtech Corporation

POWER MANAGEMENT
Typical Performance Characteristics
2004 Semtech Corp.
2.5
1.5
0.5
Output Characteristics @ Vin=12V
Efficiency vs. Load Current (%)
-0.05
-0.15
-0.25
-0.35
3
2
1
0
-0.1
-0.2
-0.3
-0.4
95
90
85
80
75
70
65
0
Line Regulation @ Io=15A
0
0
0
Vin=5V
Load Current (A)
10
Load Current (A)
Input Voltage (V)
10
5
20
Vin=12V
20
10
30
30
15
40
30
Channel 1: Vo = 2.5V @ 15A
Soft-Start
Load Transient
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
0.1
0
0
Load Regulation
Load Current (A)
Vin=12V
10
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20
Vin=5V
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SC2446
30