SC403B datasheet(11/32 Pages) SEMTECH

Il numero della parte	SC403B

Spiegazioni elettronici	6A EcoSpeed짰 Integrated FET Regulator with Programmable LDO

PDF	32 Pages

Scroll/Zoom	100%

Produttore elettronici	SEMTECH [Semtech Corporation]

Homepage	http://www.semtech.com

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11 / 32 page

SC403B

Powersave Mode — No Load

Time (10µs/div)

s/div)

/div)

(20mV/div)

(10V/div)

IN = 12V, VOUT = 1.2V, IOUT = 0A, VLDO = VDD = EN/PSV= ENL = 5V

Forced Continuous Mode — No Load

Time (10µs/div)

s/div)

/div)

(20mV/div)

(10V/div)

IN = 12V, VOUT = 1.5V, IOUT = 0A, VLDO = VDD = ENL = 3.3V, EN/PSV= floating

Typical Characteristics (continued)

Characteristics in this section are based on using the applicable Detailed Application Circuit — 2.

Time (1ms/div)

s/div)

/div)

Self-Biased Start-Up — Power Good True

(10V/div)

(5V/div)

IN = 0V to 12V step, VOUT = 1.2V, IOUT = 0A, VLDO = VDD = EN/PSV= ENL = 5V

(500mV/div)

Time (1ms/div)

s/div)

/div)

Enabled Loaded Output

(10V/div)

(5V/div)

IN = 12V, VOUT = 1.2V, IOUT = 1A, VLDO = VDD = ENL = EN/PSV= 5V

(500mV/div)

Time (4ms/div)

s/div)

/div)

Self-Biased Start-Up — Power Good True

(20mV/div)

(10V/div)

IN = 12V step, VOUT = 1.2V, IOUT = 0A, external VDD = EN/PSV= 5V

Time (4µs/div)

s/div)

/div)

Self-Biased Start-Up — Power Good True

(20mV/div)

(10V/div)

IN = 12V step, VOUT = 1.2V, IOUT = 300mA, external VDD = EN/PSV= 5V

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