Rainbow-electronics MAX5098A Manual do Utilizador descarregar pdf (Página 10)

MAX5098A

Dual, 2.2MHz, Automotive Buck or Boost

Converter with 80V Load-Dump Protection

10 ______________________________________________________________________________________

Typical Operating Characteristics (continued)

(See the

Typical Application Circuit

, unless otherwise noted. V+ = V

IN_HIGH

= 14V, unless otherwise noted. V+ = V

IN_HIGH

means

that N1 is shorted externally.)

IN_HIGH CLAMP VOLTAGE

vs. CLAMP CURRENT

MAX5098A toc29

CLAMP CURRENT (mA)

IN_HIGH CLAMP VOLTAGE (V)

40302010

20.0

20.1

20.2

20.3

19.9

050

= +25°C

= +135°C

= +125°C

= +85°C

= -40°C

V+ TO IN_HIGH CLAMP VOLTAGE

vs. GATE SINK CURRENT

MAX5098A toc30

GATE SINK CURRENT (mA)

V+ TO IN_HIGH CLAMP VOLTAGE (V)

8642

010

= +25°C

= +135°C

= +125°C

= +85°C

= -40°C

GATE

- V) vs. V

IN_HIGH

MAX5098A toc31

IN_HIGH

(V)

GATE

- V) (V)

15.512.08.5

5.0 19.0

= +25°C

= +135°C

= +125°C

= +85°C

= -40°C

ON/OFF = IN_HIGH

SYSTEM TURN-ON FROM BATTERY

MAX5098A toc32

10ms/div

10V/div

V+

10V/div

GATE

10V/div

IN_HIGH

10V/div

SYSTEM TURN-OFF FROM BATTERY

MAX5098A toc33

10ms/div

10V/div

V+

10V/div

GATE

10V/div

IN_HIGH

10V/div

SYSTEM LOAD-DUMP

MAX5098A toc34

100ms/div

OUT1

AC-COUPLED

100mV/div

V+

10V/div

GATE

10V/div

IN_HIGH

10V/div

50V/div

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 27 28

MAX5098A 1

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