SC417/SC427

8

Typical Characteristics (continued)

V

1.000

1.025

1.050

1.075

1.100

0.10

1.00

10.00

+1%

-1%

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

V

1.000

1.025

1.050

1.075

1.100

6.0

8.0

10.0

12.0

14.0

16.0

18.0

20.0

22.0

24.0

+1%

-1%

Ultrasonic Powersave Mode — No Load

Time (10μs/div)

(50mV/div)

(10V/div)

(10V/div)

(5V/div)

V

IN

= 12V, V

OUT

= 1.05V, I

OUT

= 0A, V

LDO

= V

5V

= EN/PSV= ENL = 5V

1.073V

Δ V ~ 29mV

1.044V

f=26.22kHz

Forced Continuous Mode — No Load

Time (2μs/div)

(50mV/div)

(10V/div)

(10V/div)

(5V/div)

V

IN

= 12V, V

OUT

= 1.05V, I

OUT

= 0A, V

LDO

= V

5V

= ENL = 5V, EN/PSV= float

1.078V

Δ V ~ 30mV

1.048V

f=227.4kHz

Time (100μs/div)

Enabled Loaded Output — Full Scale

(50mV/div)

(10V/div)

(5V/div)

V

IN

= 12V, V

OUT

= 1.05V, I

OUT

= 1A, V

LDO

= V

5V

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

1.05V

0V

ΔV/ΔT ~

1.4V/ms

Enabled Loaded Output — Power Good True

(500mV/div)

(10V/div)

(5V/div)

V

IN

= 12V, V

OUT

= 1.05V, I

OUT

= 1A, V

LDO

= V

5V

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

Time (400μs/div)

1.05V

0V

~2ms