SC417EVB Ver la hoja de datos (PDF) - Semtech Corporation

Número de pieza

componentes Descripción

Fabricante

SC417EVB

10A Integrated FET Regulator with Programmable LDO

Semtech Corporation 

SC417/SC427

Typical Characteristics (continued)

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

Transient Response — Load Rising

V = 12V, V = 1.05V, I = 0A to 10A, V = V = EN/PSV= ENL = 5V

IN

OUT

OUT

LDO

5V

(50mV/div)

1.063V

1.025V

Transient Response — Load Falling

V = 12V, V = 1.05V, I = 10A to 0A, V = V = EN/PSV= ENL = 5V

IN

OUT

OUT

LDO

5V

1.101V

(50mV/div)

1.055V

(10V/div)

(10V/div)

(10A/div)

(5V/div)

(10A/div)

(5V/div)

Time (10μs/div)

Time (10μs/div)

Output Under-voltage Response — Normal Operation

V = 12V,V = 1.05V, I = 0A,V =V = ENL = 5V, floating EN/PSV

IN

OUT

OUT

LDO 5V

(10V/div)

(500mV/div)

V ~710mV

2

Output Over-current Response — Normal Operation

V = 12V, V = 1.05V, V = V = ENL = 5V, EN/PSV= floating; I ramped to trip point

IN

OUT

LDO 5V

OUT

(500mV/div)

1.05V

0V

(10A/div)

I = 10.37A

OUT

(5V/div)

Time (100μs/div)

Self-Biased Start-Up — Power Good True

V = 0V to 12V step, V = 1.05V, I = 0A, V = V = EN/PSV= ENL = 5V

IN

OUT

OUT

LDO 5V

(10V/div)

(5V/div)

Time (100μs/div)

(10V/div)

1.05V

(500mV/div)

(2V/div)

ΔV/ΔT ~

0V

1.4 V/ms

(5V/div)

Time (400μs/div)

9

Share Link: