SC401B datasheet(13/32 Pages) SEMTECH

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SC401B

Typical Characteristics (continued)

Characteristics in this section are based on using the Typical Application Circuit on page 8.

Rising Edge (Deadtime) — LX, DL

Time (10ns/div)

s/div)

/div)

(1V/div)

VDD = 5V, V

IN = 12V, VOUT = 1.5V, IOUT = 15A

Transient Response — PSAVE Load Rising

Time (10μs/div)

s/div)

/div)

(5A/div)

(50mV/div)

(5V/div)

VDD = 5V, V

IN = 12V, VOUT = 1.5V, IOUT = 1A to 11A, di/dt = 1A/μs

Falling Edge (Deadtime) — LX, DL

Time (10ns/div)

s/div)

/div)

(1V/div)

VDD = 5V, V

IN = 12V, VOUT = 1.5V, IOUT = 15A

Transient Response — FCM

Time (20μs/div)

s/div)

/div)

(5A/div)

(50mV/div)

(5V/div)

VDD = 5V, V

IN = 12V, VOUT = 1.5V, IOUT = 5A to 15A, di/dt = 1A/μs

Transient Response — PSAVE Load Falling

Time (10μs/div)

s/div)

/div)

(5A/div)

(50mV/div)

(5V/div)

VDD = 5V, V

IN = 12V, VOUT = 1.5V, IOUT = 11A to 1A, di/dt = 1A/μs

Over Temperature Shutdown — 159ºC

Time (500μs/div)

s/div)

/div)

(10V/div)

(2V/div)

IN = 12V, VOUT = 1.5V, IOUT = 0A, LDO mode

16ns

13ns

(1V/div)

70mV

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