Rainbow-electronics MAX5098A Bedienungsanleitung PDF herunterladen (Seite 8)

MAX5098A

Dual, 2.2MHz, Automotive Buck or Boost

Converter with 80V Load-Dump Protection

8 _______________________________________________________________________________________

OUT-OF-PHASE OPERATION

(FSEL_1 = SGND)

MAX5098A toc16

200ns/div

SOURCE2

10V/div

SOURCE1

10V/div

CKO

5V/div

EXTERNAL SYNCHRONIZATION

(FSEL_1 = V

)

MAX5098A toc17

200ns/div

SOURCE2

10V/div

SOURCE1

10V/div

CKO

5V/div

SYNC

5V/div

EXTERNAL SYNCHRONIZATION

(FSEL_1 = SGND )

MAX5098A toc18

200ns/div

SOURCE2

10V/div

SOURCE1

10V/div

CKO

5V/div

SYNC

5V/div

FOUR-PHASE OPERATION

(FSEL_1 = V

)

MAX5098A toc19

200ns/div

MASTER SOURCE1

20V/div

MASTER SOURCE2

20V/div

SLAVE SOURCE1

20V/div

SLAVE SOURCE2

20V/div

MASTER

CKO

5V/div

OVP BEHAVIOR

MAX5098A toc20

1ms/div

V+

10V/div

GATE

10V/div

OUT1

10V/div

PGOOD2

10V/div

OUT2

10V/div

EXTERNAL OVERVOLTAGE REMOVED

FB_ VOLTAGE

vs. TEMPERATURE

MAX5098A toc21

TEMPERATURE (°C)

FB_ VOLTAGE (V)

10065-5 30

0.790

0.795

0.800

0.805

0.815

0.810

0.820

0.825

0.785

-40 135

= V+ = V

IN_HIGH

= 5.5V

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.)

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 27 28

MAX5098A 1

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