MAX5947A datasheet(6/15 Pages) MAXIM

Part #	MAX5947A

Description	Positive High-Voltage, Hot-Swap Controllers

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Manufacturer	MAXIM [Maxim Integrated Products]

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Positive High-Voltage, Hot-Swap Controllers

6

_______________________________________________________________________________________

Typical Operating Characteristics (continued)

(VCC = +48V, TA = +25°C, unless otherwise noted.)

TIMER PULLUP CURRENT

vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

-85

-80

-75

-70

-65

-60

-90

-40

85

MAX5933_

TIMER PULLUP CURRENT vs. VCC

VCC (V)

-78

-77

-76

-75

-74

-73

-79

40

50

60

70

30

80

TA = +25

°C

TA = +85

°C

TA = -40

°C

TA = 0

°C

MAX5947_

TIMER PULLUP CURRENT vs. VCC

VCC (V)

70

60

50

40

30

20

10

-78

-77

-76

-75

-74

-73

-79

080

TA = +25

°C

TA = +85

°C

TA = -40

°C

TA = 0

°C

ON HIGH-VOLTAGE THRESHOLD

vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

1.293

1.303

1.313

1.323

1.333

1.343

1.283

-40

85

ON LOW-VOLTAGE THRESHOLD

vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

1.215

1.225

1.235

1.245

1.255

1.265

1.205

-40

85

ON HYSTERESIS vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

0.075

0.077

0.079

0.081

0.083

0.073

-40

85

SENSE REGULATION VOLTAGE vs. VFB

VFB (V)

0.8

0.6

0.4

0.2

5

10

15

20

25

30

35

40

45

50

0

1.0

PWRGD VOUT LOW vs. ILOAD

ILOAD (mA)

70

50

30

2

4

6

8

10

12

14

16

18

20

0

10

90

TA = +85

°C TA = +25°C

TA = -40

°C

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