Rainbow-electronics MAX5079 Manual do Utilizador descarregar pdf (Página 7)

MAX5079

ORing MOSFET Controller with

Ultra-Fast 200ns Turn-Off

_______________________________________________________________________________________ 7

Typical Operating Characteristics (continued)

= +25°C, unless otherwise noted. See the Typical Operating Circuit.)

FAULT CURRENT WAVEFORM

(IN SHORTED TO PGND)

MAX5079 toc14

= 12V, V

BUS

= 12V,

AUXIN

= 5V, C

STH

= 0,

STH

= OPEN, R

FTH

= 0,

UVLO = IN

BUS

10V/div

GATE

20V/div

MOSFET REVERSE

CURRENT

10A/div

1µs/div

POWER-UP WAVEFORM

MAX5079 toc15

= 5.2V, V

BUS

= 4.9V,

BUS

= 5A

BUS

2V/div

CXN

10V/div

GATE

10V/div

2V/div

40µs/div

POWER-UP WAVEFORM

MAX5079 toc16

= 12.2V, V

BUS

= 11.9V,

BUS

= 5A

BUS

5V/div

CXN

10V/div

GATE

10V/div

5V/div

20µs/div

POWER-UP WAVEFORM

MAX5079 toc17

= 1.2V, V

BUS

= 1V,

AUXIN

= 5V, I

BUS

= 5A

BUS

500mV/div

CXN

10V/div

GATE

5V/div

1V/div

20µs/div

1 2 3 4 5 6 7 8 9 10 11 12 ... 17 18

ORing MOSFET Controller with 1
Ultra-Fast 200ns Turn-Off 1

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