SC493ULTRT datasheet(9/28 Pages) SEMTECH

Part #	SC493ULTRT

Description	EcoSpeedTM Step-down Controller with I2C Interface

Download	28 Pages

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Manufacturer	SEMTECH [Semtech Corporation]

Direct Link	http://www.semtech.com

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9 / 28 page

SC493

9

Typical Characteristics (continued)

Slew-Up — CCM, No Load, EnIntLd=0/1

SCL (5V/div)

V

IN = 5V, VOUT = 1.8V, fSW = 1MHz, VFBadj command change -9% to +9%

V

OUT (100mV/div)

PGOOD (5V/div)

Slew-Down — CCM, No Load, EnIntLd=0

SCL (5V/div)

V

IN = 5V, VOUT = 1.8V, fSW = 1MHz, VFBadj command change +9% to -9%

Time (500μs/div)

V

OUT (100mV/div)

PGOOD (5V/div)

Time (500μs/div)

Slew-Up — CCM, No Load, EnIntLd=0/1

SCL (5V/div)

V

IN = 5V, VOUT = 1.8V, fSW = 1MHz, Margin command change -10% to +10%

Time (500μs/div)

V

OUT (100mV/div)

PGOOD (5V/div)

Slew-Down — CCM, 3A Load, EnIntLd=0/1

SCL (5V/div)

V

IN = 5V, VOUT = 1.8V, fSW = 1MHz, Margin command change +10% to -10%

Time (500μs/div)

V

OUT (100mV/div)

PGOOD (5V/div)

Slew-Up — CCM, 3A Load, EnIntLd=0/1

SCL (5V/div)

V

IN = 5V, VOUT = 1.8V, fSW = 1MHz, Margin command change -10% to +10%

Time (500μs/div)

V

OUT (100mV/div)

PGOOD (5V/div)

Slew-Down — CCM, No Load, EnIntLd=1

SCL (5V/div)

V

IN = 5V, VOUT = 1.8V, fSW = 1MHz, Margin command change +10% to -10%

Time (500μs/div)

V

OUT (100mV/div)

PGOOD (5V/div)

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