SC1480A Просмотр технического описания (PDF) - Semtech Corporation

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SC1480A

DDR and DDR Memory VTT power Supply Controller

Semtech Corporation 

POWER MANAGEMENT

Typical Characteristics (Cont.)

Startup, RE.IN Going 0V to 0.9V

Trace 1: VTT, 0.5V/div.

Trace 2: LX, 20V/div.

Trace 3: RE.OUT, 1V/div.

Trace 4: RE.IN, 1V/div.

Timebase: 400µs/div.

VBAT = 8V

SC1480A

Startup, RE.IN Going 0V to 0.9V Showing PGD

Trace 1: VTT, 0.5V/div.

Trace 2: LX, 20V/div.

Trace 3: RE.OUT, 1V/div.

Trace 4: PGD, 5V/div.

Timebase: 400µs/div.

VBAT = 8V

Please refer to .igure 3 on Page 14 for test schematic

 2003 Semtech Corp.

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