MAX5948BESA+T【PDF 2/18 页】IC CNTRLR HOT SWAP 8-SOIC

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Sheet目录43

1页 [2页]3页 4页 5页 6页

-48V Hot-Swap Controllers

with External R

SENSE

2 _______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

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.

(All voltages are referenced to V

, unless otherwise noted.)

Supply Voltage (V

- V

).................................-0.3V to +100V

PWRGD, PWRGD .................................................-0.3V to +100V

DRAIN (Note 1)........................................................-2V to +100V

SENSE ....................................................................-0.3V to +20V

GATE (internally clamped) .....................................-0.3V to +18V

UV and OV..............................................................-0.3V to +60V

Current through SENSE....................................................?0mA

Current into GATE...........................................................?00mA

Current into Any Other Pin................................................?0mA

Current into Drain............................................-100mA to +20mA

Continuous Power Dissipation (T

= +70癈)

8-Pin SO (derate 5.9mW/癈 above +70癈)...................471mW

Operating Temperature Range ...........................-40癈 to +85癈

Junction Temperature .....................................................+150癈

Storage Temperature Range.............................-65癈 to +150癈

Lead Temperature (soldering, 10s).................................+300癈

Soldering Temperature (reflow).......................................+260癈

ELECTRICAL CHARACTERISTICS

= 0V, V

= 48V, T

= -40癈 to +85癈. Typical values are at T

= +25癈, unless otherwise noted.) (Notes 2, 3)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

POWER SUPPLIES

Operating Input Voltage Range

Supply Current

= 3V, OV = V

, SENSE = V

0.7

GATE DRIVER AND CLAMPING CIRCUITS

Gate Pin Pullup Current

GATE drive on, V

GATE

= V

-30

-45

-60

礎

Gate Pin Pulldown Current

Any fault condition, V

GATE

= 2V

External Gate Drive

GATE

- V

, 20V d V

d 80V

13.5

GATE to V

Clamp Voltage

GSCLMP

GATE

- V

, current into GATE = 30mA

16.4

CIRCUIT BREAKER

Current-Limit Trip Voltage

= V

SENSE

- V

SENSE Input Bias Current

SENSE

= 50mV

-0.03

-1

礎

UV PIN

UV High Threshold

UVH

UV low to high transition

1.213

1.243

1.272

UV Low Threshold

UVL

UV high to low transition

1.198

1.223

1.247

UV Hysteresis

UVHY

UV Input Bias Current

INUV

= V

-0.5

礎

OV PIN

OV High Threshold

OVH

OV low to high transition

1.198

1.223

1.247

OV Low Threshold

OVL

OV high to low transition

1.165

1.203

1.232

OV Hysteresis

OVHY

OV Input Bias Current

INOV

= V

-0.5

礎

PWRGD OUTPUT SIGNAL REFERENCED TO DRAIN

DRAIN Input Bias Current

DRAIN

= 48V

250

礎

P ow er - G ood Thr

eshol d

DRAIN

- V

, high to low transition

1.1

1.4

2.0

P ow er - G ood Thr

eshol d H yster esi s

PGHY

0.4

Note 1: Test condition per Figure 1. DRAIN current must be limited to the specified 100mA maximum.

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