SC414/SC424

10

Ultrasonic Powersave Mode — No Load (SC414)

Time (10μs/div)

(50mV/div)

(5V/div)

V

IN

= 12V, V

OUT

= 1V, I

OUT

= 0A, V

LDO

= V

5V

= EN/PSV= ENL = 5V

Forced Continuous Mode — No Load

Time (2μs/div)

(50mV/div)

(5V/div)

V

IN

= 12V, V

OUT

= 1V, I

OUT

= 0A, V

LDO

= V

5V

= ENL = 5V, EN/PSV= float

Enabled Loaded Output — Power Good True

(500mV/div)

(10V/div)

(5V/div)

V

IN

= 12V, V

OUT

= 1V, I

OUT

= 1A, V

LDO

= V

5V

= ENL = 5V. EN/PSV= 5V

Time (1ms/div)

Typical Characteristics (continued)

Characteristics in this section are based on using the Typical Application Circuit on page 2 (SC414/SC424).

Powersave Mode — No Load (SC424)

Time (10ms/div)

(50mV/div)

(5V/div)

V

IN

= 12V, V

OUT

= 1V, I

OUT

= 0A, V

LDO

= V

5V

= EN/PSV= ENL = 5V

Time (10ms/div)

Self-Biased Start-Up — Power Good True

(500mV/div)

(10V/div)

(5V/div)

V

IN

= 0V to 12V step, V

OUT

= 1V, I

OUT

= 0A, V

LDO

= V

5V

= EN/PSV= ENL = 5V

(2V/div)

Output Over-current Response — Normal Operation

Time (100μs/div)

(500mV/div)

(5V/div)

(5V/div)

(5A/div)

V

IN

= 12V, V

OUT

= 1V, V

LDO

= V

5V

= ENL = 5V, EN/PSV= floating; I

OUT

ramped to trip point