SC2446 Semtech Corporation, SC2446 Datasheet - Page 31

• 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.
-0.05
-0.15
-0.25
-0.35
95
90
85
80
75
70
65
60
Output Characteristics @ Vin=12V
-0.1
-0.2
-0.3
-0.4
1.5
0.5
Efficiency vs. Load Current
0
0
2
1
0
Line Regulation at Io=15A
0
0
Load Current (A)
Vin=5V
Input Voltage (V)
10
Load Current (A)
10
5
20
20
Vin=12V
10
30
30
15
40
31
Channel 2: Vo = 1.8V @ 15A
Soft-Start
Load Transient
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
-0.7
-0.8
0.1
0
0
Load Regulation
Load Current (A)
Vin=5V
10
Fig. 18
www.DataSheet4U.com
20
Vin=12V
www.semtech.com
SC2446
30