MAX5043ETN datasheet(7/22 Pages) MAXIM

Part #	MAX5043ETN

Description	Two-Switch Power ICs with Integrated Power MOSFETs and Hot-Swap Controller

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Manufacturer	MAXIM [Maxim Integrated Products]

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7

Two-Switch Power ICs with Integrated

Power MOSFETs and Hot-Swap Controller

HOT-SWAP UNDERVOLTAGE LOCKOUT

THRESHOLD vs. TEMPERATURE

TEMPERATURE (

°C)

100

75

50

25

0

-25

27

28

29

30

31

32

26

-50

125

VPOSINHS RISING

VPOSINHS FALLING

HOT-SWAP STARTUP DELAY

vs. TEMPERATURE

TEMPERATURE (

°C)

100

75

50

25

0

-25

155

160

165

170

175

150

-50

125

HOT-SWAP GATE VOLTAGE

vs. INPUT VOLTAGE

INPUT VOLTAGE (V)

70

60

50

40

30

8.70

8.71

8.72

8.73

8.69

20

80

HOT-SWAP STARTUP WAVEFORM

MAX5042 toc04

OV

VHSGATE

5V/div

10ms/div

OV

VHSDRAIN

20V/div

VHSOK

20V/div

100k

Ω

PULLUP

PWM UNDERVOLTAGE LOCKOUT

THRESHOLD vs. TEMPERATURE

TEMPERATURE (

°C)

100

75

50

25

0

-25

27

28

29

30

31

32

26

-50

125

VPOSINPWM RISING

VPOSINPWM FALLING

POSINPWM INPUT CURRENT, REG15

INPUT CURRENT vs. TEMPERATURE

TEMPERATURE (

°C)

100

75

-25

0

25

50

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

2.0

-50

125

IREG15, VPOSINPWM = 76V

IPOSINPWM, VPOSINPWM = 76V

VREG15 = 18V, CSS = 0,

XFRMRH = 0, NO SWITCHING

POSINPWM INPUT CURRENT, REG15

INPUT CURRENT vs. INPUT VOLTAGE

INPUT VOLTAGE (V)

70

60

50

40

30

1

2

3

4

5

6

0

20

80

IREG15

IPOSINPWM

VREG15 = 18V, CSS = 0,

XFRMRH = 0, NO SWITCHING

OPERATING FREQUENCY

vs. TEMPERATURE

TEMPERATURE (

°C)

100

75

50

25

0

-25

250

270

290

310

330

350

230

-50

125

RRCOSC = 25k

Ω, CRCOSC = 100pF

RRCOSC = 19k

Ω, CRCOSC = 100pF

Typical Operating Characteristics

(VPOSINPWM = 20V, TA = +25°C, unless otherwise noted.)

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