MAX5925D datasheet(3/22 Pages) MAXIM

Part #	MAX5925D

Description	1V to 13.2V, n-Channel Hot-Swap Controllers Require No Sense Resistor

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Manufacturer	MAXIM [Maxim Integrated Products]

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1V to 13.2V, n-Channel Hot-Swap Controllers

Require No Sense Resistor

_______________________________________________________________________________________

3

ELECTRICAL CHARACTERISTICS (continued)

(VCC, EN (MAX5924/MAX5925), EN1 (MAX5926) = +2.25V to +13.2V; EN2 (MAX5926) = 0V; VS (see Figure 1) = +1.05V to VCC; TA =

-40°C to +85°C, unless otherwise noted. Typical values are at VCC = 5V, RL = 500

Ω from OUT to GND, CL = 1µF, SLEW = open, TA

= +25°C, unless otherwise noted.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Circuit-Breaker Programming

Current During Startup

ICB,SU

2 x ICB

µA

Circuit-Breaker Enable Threshold

VCB,EN

VGATE - VOUT, rising gate voltage (Note 6)

2.3

3.6

4.65

V

Circuit-Breaker Comparator

Offset Voltage

VCB_OS

0.3

±4.7

mV

Fast Circuit-Breaker Offset

Resistor

RCBF

Figure 3

1.2

1.9

2.7

k

Ω

Slow Circuit-Breaker Delay

tCBS

VCB - VSENSE = 10mV

0.95

1.6

2.95

ms

Fast Circuit-Breaker Delay

tCBF

VCB - VSENSE = 500mV

280

ns

Circuit-Breaker Trip Gate

Pulldown Current

IGATE,PD

VGATE = 2.5V, VCC = 13.2V

13.5

27

mA

MAX5924, TC = high (MAX5926)

0

Circuit-Breaker Temperature

Coefficient

TCICB

MAX5925, TC = low (MAX5926)

3300

ppm/°C

OUT Current

IOUT

120

µA

MOSFET DRIVER

External Gate Drive

VGS

VGATE - VOUT

2.25V

≤ VCC ≤ 13.2V

3.0

4.91

6.70

V

SLEW = open, CGATE = 10nF

2.19

9.5

Load Voltage Slew Rate

SR

CSLEW = 300nF, CGATE = 10nF (Note 8)

0.84

V/ms

Gate Pullup Current Capacity

IGATE

VGATE = 0V

239

µA

ENABLE COMPARATOR

EN, EN1 Reference Threshold

VEN/UVLO

VEN (MAX5924/MAX5925) or

VEN1 (MAX5926) rising

0.747

0.795

0.850

V

EN, EN1 Hysteresis

VEN,HYS

30

mV

EN, EN1 Input Bias Current

IEN

EN (MAX5924/MAX5925) = VCC,

EN1 (MAX5926) = VCC

±8

±50

nA

DIGITAL OUTPUTS (PGOOD,

PGOOD)

Power-Good Output Low Voltage

VOL

IOL = 1mA

0.3

0.4

V

Power-Good Output Open-Drain

Leakage Current

IOH

PGOOD/PGOOD = 13.2V

0.2

1

µA

Power-Good Trip Point

VTHPGOOD VGATE - VOUT, rising gate voltage

VCB_EN

3.6

4.7

V

Power-Good Hysteresis

VPG,HYS

0.36

V

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