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SC1175TSTRT

Low Power Dual Synchronous DC/DC Controller With Current Sharing Circuitry

Semtech Corporation 

SC1175

POWER MANAGEMENT

Typical Characteristics - 2 Channels with Current Sharing

Figure 1: VOUT vs IIN(5V) and IIN(12V) with VCC applied and 4A load. Soft start capacitor = 10nF.

Ch1: V

OUT

Ch2: IIN(5V) (1A/Div)

Ch4: I (1A/Div)

IN(12V)

IOUT: 4.004 Amps

Figure 2:

V vs I and I with V removed and 4A load. Soft start capacitor = 10nF.

OUT

IN(5V)

IN(12V)

CC

Ch1: VOUT

Ch2: IIN(5V) (1A/Div)

Ch4: IIN(12V) (1A/Div)

IOUT: 4.004 Amps

 2004 Semtech Corp.

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