SC2449ISWTR View Datasheet(PDF) - Semtech Corporation

Part Name

Description

MFG CO.

SC2449ISWTR

BI-Phase/Dual Controller

Semtech Corporation 

POWER MANAGEMENT

Electrical Characteristic Curves

Two Channel Operation

Efficiency in Two-Channel Application Circuit (5V/12A, 3.3V/18A)

SC2449

Overall System Efficiency vs. Overall Load (W ) of the 5V and 3.3V channels

95.00%

90.00%

85.00%

80.00%

75.00%

70.00%

65.00%

60.00%

0

20

40

60

80

100

120

Output Power (W )

E ffic ienc y

Phase Node Waveform of Two-Channel Application Circuit (Vin = 24V, Load Current = 12A for 5V,

Load Current = 18A for 3.3V)

 2002 Semtech Corp.

ch1: Vphase5V; ch2: Vphase3.3V

10

www.semtech.com

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