Rainbow-electronics MAX5961 Bedienungsanleitung PDF herunterladen (Seite 6)

MAX5961

0 to 16V, Quad, Hot-Swap Controller

with 10-Bit Current and Voltage Monitor

6 _______________________________________________________________________________________

GATE_ DRIVE VOLTAGE

vs. IN VOLTAGE

MAX5961 toc04

(V)

GATE_

- V

MON_

) (V)

14128 1064216

4.2

4.4

4.6

4.8

5.0

5.2

5.4

5.6

5.8

6.0

4.0

MON_

= 3.3V

MON_

= 12V

GATE_ DRIVE VOLTAGE

REFERRED TO MON_

INPUT VOLTAGE

GATE_ DRIVE CURRENT

vs. (V

GATE_

- V

MON_

)

MAX5961 toc05

GATE_

- V

MON_

) (V)

GATE_

(μA)

4.54.03.0 3.51.0 1.5 2.0 2.50.5

05.0

GATE_ DISCHARGE CURRENT

vs. (V

GATE_

- V

MON_

)

MAX5961 toc06

GATE_

- V

MON_

) (V)

GATE_

(mA)

4.54.03.0 3.51.0 1.5 2.0 2.50.5

100

150

200

250

300

350

400

450

500

550

600

650

0 5.0

SLOW-COMPARATOR TURN-OFF TIME

vs. SENSE VOLTAGE OVERDRIVE

MAX5961 toc07

[(V

SENSE_

- V

MON_

) - V

TH,ST

] (V)

TURN-OFF TIME (ms)

986 72 3 4 51

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

25mV SENSE RANGE;

DAC = 191, V

TH,ST

= 9.36mV

SLOW-COMPARATOR THRESHOLD

VOLTAGE ERROR vs. TEMPERATURE

MAX5961 toc08

TEMPERATURE (°C)

SLOW-COMPARATOR THRESHOLD VOLTAGE ERROR (%)

603510-15

-10

-8

-6

-4

-2

-12

-40 85

100mV SENSE RANGE

50mV SENSE RANGE

25mV SENSE RANGE

ON_ INPUT THRESHOLD VOLTAGE

vs. TEMPERATURE

MAX5961 toc09

TEMPERATURE (°C)

ON_ INPUT THRESHOLD VOLTAGE (V)

6035-15 10

0.580

0.585

0.590

0.595

0.605

0.600

0.610

0.615

0.575

-40 85

Typical Operating Characteristics (continued)

= 12V, V

= 3.3V, T

= +25°C, unless otherwise noted. See the

Typical Application Circuit

START OF WAVEFORM

MAX5961 toc10

10ms/div

ON_

GATE_

MON_

PG_

LOAD_

GATE_

MON_

TURN-OFF WAVEFORM

(SLOW-COMPARATOR FAULT)

MAX5961 toc11

200μs/div

LOAD_

GATE_

MON_

FAULT_

DEFAULT RESISTOR

SETTINGS

25mV SENSE RANGE

1 2 3 4 5 6 7 8 9 10 11 ... 41 42

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