SC418 datasheet(9/30 Pages) SEMTECH

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SC418

Characteristics in this section are based on using the Detailed Application Circuit.

Power-Save Mode — No Load

Time (2µs/div)

OUT

(50mV/div)

(10V/div)

IOUT

(5A/div)

PGOOD

(5V/div)

Externally biased at VDDA/VDDP = 5V, V

IN = 12V, VOUT = 1.050V

Ultrasonic Powersave Mode — No Load

Time (5µs/div)

OUT

(50mV/div)

(10V/div)

(5V/div)

Forced Continuous Mode — No Load

Time (2µs/div)

OUT

(50mV/div)

(10V/div)

(5V/div)

Internally biased at V

LDO = 5V, VIN = 12V, VOUT = 1.050V, IOUT = 0A

Enabled Loaded Output — Power Good True

OUT

(500mV/div)

(10V/div)

PGOOD

(5V/div)

Time (400µs/div)

Transient Response — Load Rising

Time (40µs/div)

Externally biased at VDDA/VDDP = 5V, V

IN = 12V, VOUT = 1.050V, IOUT = 0A to 10A

OUT

(50mV/div)

(10V/div)

IOUT

(5A/div)

PGOOD

(5V/div)

Transient Response — Load Falling

Time (40µs/div)

OUT

(500mV/div)

(5A/div)

PGOOD

(5V/div)

IOUT

(5A/div)

Typical Characteristics (continued)

Internally biased at V

LDO = 5V, VIN = 12V, VOUT = 1.050V, IOUT = 0A

Internally biased at V

LDO = 5V, VIN = 12V, VOUT = 1.050V, RPSV = 115k Ω

Externally biased at VDDA/VDDP = 5V, V

IN = 12V, VOUT = 1.050V, IOUT = 10A to 0A

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