MAX9643 Maxim, MAX9643 Datasheet
MAX9643
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MAX9643 Summary of contents
Page 1
... High-Speed Precision Current-Sense Amplifier General Description The MAX9643 is a high-speed 60V precision unidirec- tional current-sense amplifier ideal for a wide variety of power-supply control applications. Its high signal band- width allows its use within DC-DC switching converter power-supply control loops with minimal phase delay. ...
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... RS+ RS- -40NC < T < +125NC RS +25NC RS+ RS- -40NC < T < +125NC A V < MAX9643T MAX9643U MAX9643 EE MIN TYP MAX -1.5 +60 3 400 120 130 P +125NC 110 0.02 0.15 0.3 100 400 300 - 0.3V) to +0.3V UNITS ...
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... OL Note 6: Guaranteed by design and/or characterization. Note 7: The maximum V of the MAX9643T is 400mV. With the gain = 2.5V/V, the output swing high is not applicable to the SENSE MAX9643T. ����������������������������������������������������������������� Maxim Integrated Products 3 ...
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... SUPPLY CURRENT vs. SUPPLY VOLTAGE 1.5 1.4 1.3 1.2 1.1 1.0 0.9 0.8 0.7 0.6 0 SUPPLY VOLTAGE (V) GAIN ERROR vs. TEMPERATURE 0.20 0.18 0.16 0.14 0.12 0.10 0.08 0.06 0.04 0. -50 - TEMPERATURE (°C) MAX9643 SUPPLY CURRENT vs. TEMPERATURE 1.5 1.4 1.3 1.2 1.1 1.0 0.9 0.8 0.7 0.6 0 -50 - TEMPERATURE (°C) COMMON-MODE REJECTION RATIO vs. FREQUENCY (V 0 -20 -40 -60 -80 -100 -120 -140 75 100 125 1 10 100 FREQUENCY (kHz) = +25NC ...
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... FREQUENCY (kHz) OUTPUT-VOLTAGE HIGH vs. OUTPUT SOURCE CURRENT 4.0 3.9 3.8 3.7 3.6 3.5 3.4 3.3 3.2 3.1 3.0 125 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 OUTPUT SOURCE CURRENT (mA) MAX9643 SUPPLY CURRENT vs. SUPPLY VOLTAGE 1.00 0.95 0.90 0.85 0.80 0.75 0.70 0.65 0.60 0.55 0.50 10,000 100,000 SUPPLY VOLTAGE (V) OUTPUT-VOLTAGE LOW vs. OUTPUT SINK CURRENT 600 500 400 300 200 100 0 0.8 0.9 1 ...
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... Maxim Integrated Products 6 Typical Operating Characteristics (continued) LARGE-SIGNAL TRANSIENT RESPONSE MAX9643 toc14 MAX9643T GND ...
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... Maxim Integrated Products 7 TOP VIEW OUT V RS- RS MAX9643 GND V CP1 CP2 EE TDFN DESCRIPTION MAX9643 Pin Configuration Pin Description ...
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... Ensure that this voltage is lower than the internally generated charge-pump voltage. The MAX9643 EV kit shows a good example layout. A representation is shown in Figure 1. ����������������������������������������������������������������� Maxim Integrated Products 8 ...
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... PROCESS: BiCMOS value causes the value. SENSE PART MAX9643TATA+ MAX9643UATA+ +Denotes a lead(Pb)-free/RoHS-compliant package. *EP = Exposed pad. MAX9643 2 R losses in R can be significant. SENSE SENSE to GND with a 0.1FF CC is independent of the monitored CC can be connected to a separate regulated ...
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... Maxim Integrated Products 10 k 0.20 MIN. A2 0.20 REF 0.50 BSC 0.18 0.25 b PACKAGE CODE OUTLINE NO. T823+1 MAX. 0.80 3.05 2.05 0.05 PKG. 0.50 CODE MIN. T823-1 1.60 0.30 MAX9643 Package Information LAND PATTERN NO. 21-0174 90-0091 PACKAGE OUTLINE 8L TDFN, EXPOSED PAD, 2x3x0.8mm 21-0174 EXPOSED PAD PACKAGE E2 D2 NOM. MAX. MIN. NOM. MAX. 1.75 1.90 1.50 1.63 1. ...
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... Maxim Integrated Products 11 Package Information (continued) MAX. 0.80 3.05 2.05 0.05 PKG. 0.50 CODE MIN. T823-1 1.60 0.30 MAX9643 PACKAGE OUTLINE 8L TDFN, EXPOSED PAD, 2x3x0.8mm 21-0174 EXPOSED PAD PACKAGE E2 D2 NOM. MAX. MIN. NOM. MAX. 1.75 1.90 1 ...
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... Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2011 Maxim Integrated Products DESCRIPTION Maxim is a registered trademark of Maxim Integrated Products, Inc. MAX9643 Revision History PAGES CHANGED — 12 ...