sc2449iswtrt Semtech Corporation, sc2449iswtrt Datasheet - Page 10

• Manufacturer Part Number: sc2449iswtrt
• Description: Sc2449 Bi-phase/dual Controller
• Manufacturer: Semtech Corporation

SC2449
POWER MANAGEMENT
Electrical Characteristic Curves
Two Channel Operation
Efficiency in Two-Channel Application Circuit (5V/12A, 3.3V/18A)
Overall System Efficiency vs. Overall Load (W ) of the 5V and 3.3V channels
95.00%
90.00%
85.00%
80.00%
Efficiency
75.00%
70.00%
65.00%
60.00%
0
20
40
60
80
100
120
Output Power (W )
Phase Node Waveform of Two-Channel Application Circuit (Vin = 24V, Load Current = 12A for 5V,
Load Current = 18A for 3.3V)
ch1: Vphase5V; ch2: Vphase3.3V
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2007 Semtech Corp.
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