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MAX4073FAUT-T |MAX4073FAUTTMAXN/a4129avaiLow-Cost, SC70, Voltage-Output, High-Side Current-Sense Amplifier
MAX4073FAXK-T |MAX4073FAXKTMAXIMN/a2613avaiLow-Cost, SC70, Voltage-Output, High-Side Current-Sense Amplifier
MAX4073HAXK-T |MAX4073HAXKTMAXIMN/a2382avaiLow-Cost, SC70, Voltage-Output, High-Side Current-Sense Amplifier
MAX4073TAXK-T |MAX4073TAXKTMAXIMN/a12avaiLow-Cost, SC70, Voltage-Output, High-Side Current-Sense Amplifier


MAX4073FAUT-T ,Low-Cost, SC70, Voltage-Output, High-Side Current-Sense AmplifierApplications0.1µ FCell PhonesMAX4073T/F/HNotebook ComputersPortable/Battery-Powered SystemsA/D LOAD ..
MAX4073FAXK ,Low-Cost, SC70, Voltage-Output, High-Side Current-Sense Amplifier MAX4073T/F/HLow-Cost, SC70, Voltage-Output, High-Side Current-Sense Amplifier
MAX4073FAXK+T ,Low-Cost, SC70, Voltage-Output, High-Side Current-Sense Amplifierfeatures a voltage output that eliminates the need♦ Three Gain Versions Availablefor gain-setting r ..
MAX4073FAXK-T ,Low-Cost, SC70, Voltage-Output, High-Side Current-Sense AmplifierFeaturesThe MAX4073 low-cost, high-side current-sense ampli- Low-Cost, Compact, Current-Sense Solu ..
MAX4073HAUT+T ,Low-Cost, SC70, Voltage-Output, High-Side Current-Sense AmplifierELECTRICAL CHARACTERISTICS(V = +2V to +28V, V = (V - V ) = 0, V = +3V to +28V, T = T to T , unless ..
MAX4073HAXK ,Low-Cost, SC70, Voltage-Output, High-Side Current-Sense AmplifierELECTRICAL CHARACTERISTICS(V = +2V to +28V, V = (V - V ) = 0, V = +3V to +28V, T = T to T , unless ..
MAX767 ,5V to 3.3V Output, Synchronous, Step-Down Power Supply ControllerApplicationsPART TEMP. RANGEPACKAGE TOL (V)Local 5V-to-3.3V DC-DC ConversionMAX767CAP 0°C to +70°C ..
MAX767CAP ,5V-to-3.3V, Synchronous, Step-Down Power-Supply ControllerMAX76719-0224; Rev 2; 8/945V-to-3.3V, Synchronous, Step-Down Power-Supply Controller_______________
MAX767CAP+ ,5V to 3.3V Output, Synchronous, Step-Down Power Supply ControllerApplicationsPART TEMP. RANGEPACKAGE TOL (V)Local 5V-to-3.3V DC-DC ConversionMAX767CAP 0°C to +70°C ..
MAX767CAP-T ,5V to 3.3V Output, Synchronous, Step-Down Power Supply Controllerfeatures set♦ 120µA Standby Supply Currentthis device apart from similar, low-voltage step-down♦ 4. ..
MAX767EAP ,5V-to-3.3V, Synchronous, Step-Down Power-Supply ControllerMAX76719-0224; Rev 2; 8/945V-to-3.3V, Synchronous, Step-Down Power-Supply Controller_______________
MAX767EAP+ ,5V to 3.3V Output, Synchronous, Step-Down Power Supply ControllerFeatures♦ >90% EfficiencyThe MAX767 is a high-efficiency, synchronous buckcontroller IC dedicated t ..


MAX4073FAUT-T-MAX4073FAXK-T-MAX4073HAXK-T-MAX4073TAXK-T
Low-Cost, SC70, Voltage-Output, High-Side Current-Sense Amplifier
General Description
The MAX4073 low-cost, high-side current-sense ampli-
fier features a voltage output that eliminates the need
for gain-setting resistors making it ideal for cell phones,
notebook computers, PDAs, and other systems where
current monitoring is crucial. High-side current moni-
toring does not interfere with the ground path of the
battery charger making the MAX4073 particularly useful
in battery-powered systems. The input common-mode
range of +2V to +28V is independent of the supply volt-
age. The MAX4073’s wide 1.8MHz bandwidth makes it
suitable for use inside battery-charger control loops.
The combination of three gain versions and a selec-
table external-sense resistor sets the full-scale current
reading. The MAX4073 offers a high level of integra-
tion, resulting in a simple and compact current-sense
solution.
The MAX4073 operates from a +3V to +28V single sup-
ply and draws only 0.5mA of supply current. This
device is specified over the automotive operating tem-
perature range (-40°C to +125°C) and is available in a
space-saving 5-pin SC70 package (half the size of the
SOT23).
For a similar device in a 6-pin SOT23 with a wider com-
mon-mode voltage range (0 to +28V), see the
MAX4173 data sheet.
Applications

Cell Phones
Notebook Computers
Portable/Battery-Powered Systems
Smart Battery Packs/Chargers
PDAs
Power Management Systems
PA Bias Control
General System/Board-Level Current Monitoring
Precision Current Sources
Features
Low-Cost, Compact, Current-Sense SolutionThree Gain Versions Available
+20V/V (MAX4073T)
+50V/V (MAX4073F)
+100V/V (MAX4073H)
±1.0% Full-Scale Accuracy500µA Supply CurrentWide 1.8MHz Bandwidth +3V to +28V Operating SupplyWide +2V to +28V Common-Mode Range
Independent of Supply Voltage
Automotive Temperature Range (-40°C to +125°C)Available in Space-Saving 5-Pin SC70 Package
MAX4073T/F/H
Low-Cost, SC70, Voltage-Output,
High-Side Current-Sense Amplifier
Typical Operating Circuit

19-2048; Rev 0; 4/01
Ordering Information
Pin Configurations appear at end of data sheet.
MAX4073T/F/H
Low-Cost, SC70, Voltage-Output,
High-Side Current-Sense Amplifier
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS

(VRS+= +2V to +28V, VSENSE= (VRS+- VRS-) = 0, VCC= +3V to +28V, TA= TMINto TMAX, unless otherwise noted. Typical values are
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.
VCCto GND............................................................-0.3V to +30V
RS+, RS- to GND....................................................-0.3V to +30V
OUT to GND...............................................-0.3V to (VCC+ 0.3V)
Output Short-Circuit to GND......................................Continuous
Differential Input Voltage (VRS+- VRS-).................................±5V
Current Into Any Pin..........................................................±20mA
Continuous Power Dissipation (TA= +70°C)
5-pin SC70 (derate 2.27mW/°C above +70°C)............200mW
6-pin SOT23 (derate 8.7mW/°C above +70°C)............696mW
Operating Temperature Range.........................-40°C to +125°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
MAX4073T/F/H
Low-Cost, SC70, Voltage-Output,
High-Side Current-Sense Amplifier
ELECTRICAL CHARACTERISTICS (continued)

(VRS+= +2V to +28V, VSENSE= (VRS+- VRS-) = 0, VCC= +3V to +28V, TA= TMINto TMAX, unless otherwise noted. Typical values are
Note 1:
All devices are 100% production tested at TA = +25°C. All temperature limits are guaranteed by design.
Note 2:
Inferred from PSRR test.
Note 3:
Inferred from OUT Voltage Error test.
Note 4:
Total OUT Voltage Error is the sum of the gain and offset errors.
Note 5:
6.25mV = 1/16 of 100mV full-scale sense voltage.
Note 6:
Output settles to within 1% of final value.
Note 7:
The device will not experience phase reversal when overdriven.
MAX4073T/F/H
Low-Cost, SC70, Voltage-Output,
High-Side Current-Sense Amplifier

SUPPLY CURRENT vs.
SUPPLY VOLTAGE
MAX4073 toc01
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
SUPPLY CURRENT vs.
SUPPLY VOLTAGE
MAX4073 toc02
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
SUPPLY CURRENT vs.
TEMPERATURE
MAX4073 toc03
TEMPERATURE (˚C)
SUPPLY CURRENT (mA)
SUPPLY CURRENT vs.
VRS+ VOLTAGE
MAX4073 toc04
VRS+ (V)
SUPPLY CURRENT (mA)
TOTAL OUTPUT ERROR vs.
SUPPLY VOLTAGE
MAX
4073 toc07
SUPPLY VOLTAGE (V)
TOTAL OUTPUT ERROR (%)
SUPPLY CURRENT vs.
VRS+ VOLTAGE
MAX4073 toc05
VRS+ (V)
SUPPLY CURRENT (mA)
OUTPUT HIGH VOLTAGE
(VCC - VOH) vs. TEMPERATURE
MAX4073 toc06
TEMPERATURE (°C)
- V
(V)
TOTAL OUTPUT ERROR
vs. SUPPLY VOLTAGE
MAX4073 toc08
SUPPLY VOLTAGE (V)
TOTAL OUTPUT ERROR (%)
Typical Operating Characteristics

(VCC= +12V, VRS+= +12V, VSENSE= 100mV, CL= 5pF, TA= +25°C, unless otherwise noted.)
MAX4073T/F/H
Low-Cost, SC70, Voltage-Output,
High-Side Current-Sense Amplifier

TOTAL OUTPUT ERROR
vs. TEMPERATURE
MAX4073 toc10
TEMPERATURE (°C)
TOTAL OUTPUT ERROR (%)
GAIN ACCURACY
vs. TEMPERATURE

MAX4073 toc11
GAIN ACCURACY (%)
TEMPERATURE (°C)
SMALL-SIGNAL GAIN vs.
FREQUENCY
MAX4073 toc12
FREQUENCY (kHz)
GAIN (dB)
10,000
Typical Operating Characteristics (continued)

(VCC= +12V, VRS+= +12V, VSENSE= 100mV, CL= 5pF, TA= +25°C, unless otherwise noted.)
MAX4073T/F/H
Low-Cost, SC70, Voltage-Output,
High-Side Current-Sense Amplifier
Typical Operating Characteristics (continued)

(VCC= +12V, VRS+= +12V, VSENSE= 100mV, CL= 5pF, TA= +25°C, unless otherwise noted.)
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