MAX4173T_11 datasheet(2/10 Pages) MAXIM

Part #	MAX4173T

Description	Low-Cost, SOT23, Voltage-Output, High-Side Current-Sense Amplifier 420μA of supply current

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Manufacturer	MAXIM [Maxim Integrated Products]

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Low-Cost, SOT23, Voltage-Output,

High-Side Current-Sense Amplifier

2

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VRS+ = 0 to +28V, VCC = +3V to +28V, VSENSE = 0V, TA = TMIN to TMAX, RLOAD =

∞ 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.

VCC, RS+, RS- to GND .......................................... -0.3V to +30V

OUT to GND .............................................. -0.3V to (VCC + 0.3V)

Output Short-Circuit to VCC or GND ......................... Continuous

Differential Input Voltage (VRS+ - VRS-) ............................. ±0.3V

Current into Any Pin......................................................... ±20mA

Continuous Power Dissipation (TA = +70°C)

8-Pin SO (derate 5.88mW/°C above +70°C)............... 471mW

SOT23-6 (derate 8.7mW/°C above +70°C)................. 696mW

Operating Temperature Range .......................... -40°C to +85°C

Storage Temperature Range ............................ -65°C to +150°C

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

Soldering Temperature (reflow) ...................................... +260°C

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Operating Voltage Range

VCC

Guaranteed by PSR test

3

28

V

Common-Mode Input Range

VCMR

(Note 2)

0

28

V

Common-Mode Rejection

CMR

VRS+ > +2.0V

90

dB

Supply Current

ICC

VRS+ > +2.0V, VCC > 12V

0.42

1.0

mA

Leakage Current

IRS+, IRS-

VCC = 0V, VRS+ = 28V

0.3

3

µA

VRS+ > +2.0V

0

50

IRS+

VRS+

≤ +2.0V

-350

50

VRS+ > +2.0V

0

100

Input Bias Current

IRS-

VRS+

≤ +2.0V

-700

100

µA

Full-Scale Sense Voltage

VSENSE

VSENSE = VRS+ - VRS-

150

mV

VSENSE = +100mV, VCC = +12V, VRS+ = +12V

±0.5

5.75

VSENSE = +100mV, VCC = +12V, VRS+ = +12V,

TA = +25°C

0.5

3.25

VSENSE = +100mV, VCC = +28V, VRS+ = +28V

0.5

5.75

VSENSE = +100mV, VCC = +12V, VRS+ = +0.1V

-9

±24

Total OUT Voltage Error

(Note 3)

VCC = +12V, VRS+ = +12V, VSENSE = +6.25mV

(Note 4)

±7.5

%

MAX4173T, VCC = +3.0V, VRS+ = 28V,

VSENSE = 250mV

0.8

1.2

MAX4173F, VCC = +7.5V, VRS+ = 28V,

VSENSE = 250mV

0.8

1.2

Out High Voltage (Note 5)

(VCC - VOH)

MAX4173H, VCC = +15V, VRS+ = 28V,

VSENSE = 250mV

0.8

1.2

V

TA = +25°C

1.2

5

OUT Low Voltage

VOL

MAX4173TEUT,

VCC = +5V, VRS+ = 0.89V,

VSENSE = 0mV

TA = -40°C to +85°C

40

mV

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