MAX5933A datasheet(2/15 Pages) MAXIM

Part #	MAX5933A

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

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ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VCC = +24V (MAX5947A/B/C), VCC = +48V (MAX5933A–MAX5933F), GND = 0V, TA = -40°C to +85°C, unless otherwise noted.

Typical values are at TA = +25°C.) (Note 1)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

(Voltages Referenced to GND)

VCC .........................................................................-0.3V to +85V

SENSE, FB, ON ..........................................-0.3V to (VCC + 0.3V)

TIMER, PWRGD, PWRGD.......................................-0.3V to +85V

GATE ......................................................................-0.3V to +95V

Maximum GATE Current ....................................-50mA, +150mA

Maximum Current into Any Other Pin................................

±50mA

Continuous Power Dissipation (TA = +70°C)

8-Pin SO (derate 5.9mW/°C above +70°C)..................470mW

Operating Temperature Range ...........................-40

°C to +85°C

Maximum Junction Temperature .....................................+150°C

Storage Temperature Range .............................-60°C to +150°C

Lead Temperature (soldering, 10s) .................................+300°C

ESD Rating (Human Body Model)......................................2000V

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

MAX5947A/B/C

9

80

Supply Voltage Range

VCC

MAX5933A–MAX5933F

33

80

V

Supply Current

ICC

VON = 3V, VCC = 80V

1.4

3.5

mA

MAX5947A/B/C

7.5

8.3

8.8

VCC Undervoltage Lockout

VLKO

VCC low-to-high

transition

MAX5933A–MAX5933F

29.5

31

32.5

V

MAX5947A/B/C

0.4

VCC Undervoltage Lockout

Hysteresis

VLKOHYST

MAX5933A–MAX5933F

2

V

FB High-Voltage Threshold

VFBH

FB low-to-high transition

1.280

1.313

1.345

V

FB Low-Voltage Threshold

VFBL

FB high-to-low transition

1.221

1.233

1.245

V

FB Hysteresis

VFBHYST

80

mV

FB Input Bias Current

IINFB

VFB = 0V

-1

+1

µA

FB Threshold Line Regulation

∆VFB

VCC(MIN)

≤ VCC ≤ 80V, ON = 0V,

TA = 0°C to +70°C

0.05

mV/V

VFB = 0V, TA = 0°C to +70°C

8

12

17

SENSE Trip Voltage

(VCC - VSENSE)

VSENSETRIP

VFB = 1V, TA = 0°C to +70°C

39

47

55

mV

GATE Pullup Current

IGATEUP

Charge pump on, VGATE = 7V

-5

-10

-20

µA

GATE Pulldown Current

IGATEDN

Any fault condition, VGATE = 2V

35

70

100

mA

MAX5933A–MAX5933F

10

13.6

18

VCC = 10.8V to 20V,

MAX5947A/B/C

4.5

6.2

18.0

External N-Channel Gate Drive

∆VGATE

VGATE - VCC

VCC = 20V to 80V,

MAX5947A/B/C

10

13.2

18

V

TIMER Pullup Current

ITIMERUP

VTIMER = 0V

-24

-80

-120

µA

MAX5933A–MAX5933D,

MAX5947A/B/C

1.5

3

4.5

TIMER Pulldown Current

ITIMERON

VTIMER = 1V

MAX5933E/MAX5933F

0.37

0.75

1.12

µA

ON Logic-High Threshold

VONH

ON low-to-high transition

1.280

1.313

1.345

V

ON Logic-Low Threshold

VONL

ON high-to-low transition

1.221

1.233

1.245

V

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