MAX15090A datasheet(3/15 Pages) MAXIM

Part #	MAX15090A

Description	2.7V to 18V, 12A, Hot-Swap Solution with Current Report Output

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Manufacturer	MAXIM [Maxim Integrated Products]

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Maxim Integrated

MAX15090/MAX15090A

2.7V to 18V, 12A, Hot-Swap Solution

with Current Report Output

ELECTRICAL CHARACTERISTICS (continued)

(VIN = VCC = 2.7V to 18V, TA = TJ = -40°C to +85°C, unless otherwise noted. Typical values are at VIN = 12V, RCB = 33.2kω, and

TA = +25°C.) (Note 2)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

OV, UV, EN Input Leakage

Current

ILEAK

VOV = VUV = VEN = 0 to 5V

-1

+1

F

A

CB Source Current

ITHCB_NORM

Power-on mode

12

F

A

CURRENT LIMIT

Circuit-Breaker Accuracy

(Note 3)

ICB,TH

VIN = 12V

RCB = 40.2kω

10.85

12.06

13.27

A

RCB = 10kω

2.7

3

3.3

Circuit-Breaker Accuracy

Deviation

RCB = 10kω to 40.2kω, compared to

nominal current-limit value

-10

+10

%

Slow-Comparator Response

Time (Note 4)

tSCD

0.6% overcurrent

2.7

ms

30% overcurrent

200

F

s

Maximum Current Limit During

Startup

ILIM

(see Figure 2)

ICB,TH

A

Fast-Comparator Threshold

IFC_TH

1.5 x

ICB,TH

A

Fast-Comparator Response

Time

tFCD

200

ns

Minimum CB Voltage Reference

During Foldback (Note 5)

VTHCB_MIN

VIN - VOUT > 10V, RCB = 40.2kω

60

mV

Maximum CB Voltage

Reference During Foldback

(Note 5)

VTHCB_MAX

VIN - VOUT < 2V, RCB = 40.2kω

240

mV

TIMING

Startup Maximum Time Duration

tSU

43

48

53

ms

Autorestart Delay Time

tRESTART

3.2

s

Time Delay Comparator High

Threshold

VDLY_TH

1.85

2

2.15

V

Time Delay Pullup Current

IDLY

1.6

1.9

2.2

F

A

Output Short Detection at

Startup

tSHORT

10.8

12

13.2

ms

MOSFET

Total On-Resistance

RON

TA = +25°C

5.5

7.5

mω

TA = -40°C to +85°C

9

GATE Charge Current

IGATE

4.5

5.7

7

F

A

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