SC508 데이터 시트보기 (PDF) - Semtech Corporation

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SC508

EcoSpeed® DC-DC Buck Controller with Integrated LDO

Semtech Corporation 

Typical Characteristics (continued)

Switching — PSAVE

VIN = 42V, VOUT = 1.8V, IOUT = 0A

VOUT (50mV/div)

DL (5V/div)

LX (50V/div)

Time (10m�s�/�d�i�v)�

Switching — UPSAVE

VIN = 42V, VOUT = 1.8V, IOUT = 0A

VOUT (50mV/div)

DL (5V/div)

LX (50V/div)

Time (20μs�/�d�i�v)�

Switching — FCM

VIN = 42V, VOUT = 1.8V, IOUT = 0A

VOUT (50mV/div)

DL (5V/div)

LX (50V/div)

Time (4μs�/�d�i�v)�

SC508/SC508A

Transient Response — PSAVE

VIN = 42V, VOUT = 1.8V, IOUT = 0A to 8A to 0A

VOUT (50mV/div)

IOUT (5AV/div)

LX (50V/div)

Time (100µ�s�/�d�i�v)�

Transient Response — UPSAVE

VIN = 42V, VOUT = 1.8V, IOUT = 0A to 8A to 0A

VOUT (50mV/div)

IOUT (5A/div)

LX (50V/div)

Time (100μs�/�d�i�v)�

Transient Response — FCM

VIN = 42V, VOUT = 1.8V, IOUT = 0A to 8A to 0A

VOUT (50mV/div)

IOUT (5A/div)

LX (50V/div)

Time (100μs�/�d�i�v)�



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