MAX5948BESA+ datasheet(3/18 Pages) MAXIM

Part #	MAX5948BESA+

Description	-48V Hot-Swap Controllers with External RSENSE

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Manufacturer	MAXIM [Maxim Integrated Products]

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3 / 18 page

-48V Hot-Swap Controllers

with External RSENSE

_______________________________________________________________________________________

3

ELECTRICAL CHARACTERISTICS (continued)

(VEE = 0V, VDD = 48V, TA = -40°C to +85°C. Typical values are at TA = +25°C, unless otherwise noted.) (Notes 2, 3)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

PWRGD, PWRGD Output

Leakage

IOH

VPWRGD (MAX5948A) = 80V, VDRAIN = 48V,

VPWRGD (MAX5948B) = 80V, VDRAIN = 0V

10

µA

Power-Good Output Impedance

(PWRGD to DRAIN)

ROUT

VPWRGD (MAX5948B) (VDRAIN - VEE) < VPG

500 x

103

MΩ

PWRGD Output Low Voltage

VOL

VPWRGD - VEE; VDRAIN - VEE < VPG,

IOUT = 1mA (MAX5948A)

0.11

0.4

V

PWRGD Output Low Voltage

VOL

VPWRGD - VDRAIN; VDRAIN = 5V,

IOUT = 1mA (MAX5948B)

0.11

0.4

V

AC PARAMETERS

OV High to GATE Low

tPHLOV

Figures 2, 3

0.5

µs

UV Low to GATE Low

tPHLUV

Figures 2, 4

0.4

µs

OV Low to GATE High

tPLHOV

Figures 2, 3

3.3

µs

UV High to GATE High

tPLHVL

Figures 2, 4

3.4

µs

SENSE High to GATE Low

tPHLSENSE

Figures 2, 5

2

3

4

µs

MAX5948A, Figures 2, 6

0.5

DRAIN Low to PWRGD Low

DRAIN Low to (PWRGD - DRAIN)

High

tPHLPG

MAX5948B, Figures 2, 6

0.5

µs

MAX5948A, Figures 2, 6

0.5

DRAIN High to PWRGD High

DRAIN High to (PWRGD -

DRAIN) Low

tPLHPG

MAX5948B, Figures 2, 6

0.5

µs

Note 2: All currents into device pins are positive; all currents out of device pins are negative. All voltages are referenced to VEE,

unless otherwise specified.

Note 3: Limits are 100% tested at TA = +25°C and +85°C. Limits at -40°C are guaranteed by design.

2V

100mA MAX

MAX5948

PWRGD/PWRGD

OV

UV

VEE

VDD

DRAIN

GATE

TEST VOLTAGE

SENSE

Figure 1. -2V DRAIN Voltage Test Circuit

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