SC417/SC427

9

Typical Characteristics (continued)

Characteristics in this section are based on using the Typical Application Circuit on page 2 (SC417).

Transient Response — Load Rising

Time (10μs/div)

(50mV/div)

(10A/div)

(10V/div)

(5V/div)

V

IN

= 12V, V

OUT

= 1.05V, I

OUT

= 0A to 10A, V

LDO

= V

5V

= EN/PSV= ENL = 5V

1.063V

1.025V

Output Over-current Response — Normal Operation

Time (100μs/div)

(500mV/div)

(10V/div)

(10A/div)

(5V/div)

V

IN

= 12V, V

OUT

= 1.05V, V

LDO

= V

5V

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

OUT

ramped to trip point

1.05V

I

OUT

= 10.37A

0V

Output Under-voltage Response — Normal Operation

Time (100μs/div)

(500mV/div)

(10V/div)

(5V/div)

V

IN

= 12V, V

OUT

= 1.05V, I

OUT

= 0A, V

LDO

= V

5V

= ENL = 5V, floating EN/PSV

V

2

~710mV

Transient Response — Load Falling

Time (10μs/div)

(50mV/div)

(10A/div)

(10V/div)

(5V/div)

V

IN

= 12V, V

OUT

= 1.05V, I

OUT

= 10A to 0A, V

LDO

= V

5V

= EN/PSV= ENL = 5V

1.101V

1.055V

Time (400μs/div)

Self-Biased Start-Up — Power Good True

(10V/div)

(2V/div)

(5V/div)

V

IN

= 0V to 12V step, V

OUT

= 1.05V, I

OUT

= 0A, V

LDO

= V

5V

= EN/PSV= ENL = 5V

1.05V

0V

ΔV/ΔT ~

1.4 V/ms

(500mV/div)