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ZXCT1051

Zetex Semiconductors
Part Number ZXCT1051
Manufacturer Zetex Semiconductors
Description Precision wide input range current monitor
Published Jun 17, 2007
Detailed Description ZXCT1051 Precision wide input range current monitor Description The ZXCT1051 is a wide input range current monitor, whic...
Datasheet PDF File ZXCT1051 PDF File

ZXCT1051
ZXCT1051

Overview
ZXCT1051 Precision wide input range current monitor Description The ZXCT1051 is a wide input range current monitor, which operates over a range of input voltages from ground up to VCC-2V.
As a result the ZXCT1051 can be used on the high or low side of the load.
The very low offset voltage enables a typical accuracy of 1% for sense voltages of only 30mV, giving better tolerances for small sense resistors necessary at higher currents.
The ZXCT1051 provides a fixed gain of 10 thereby removing the need for an additional resistor.
Features • • • • www.
DataSheet4U.
com Applications • • • • • • Power supply DC motor and solenoid control Battery management Over current monitor Power management Short circuit detection Accurate down to end current sensing Output voltage scaling x10 0 to VCC-2V sense input range 2.
7 to 20V supply range 50 µA quiescent current 1% typical accuracy SOT23-5 package • • • Pin connections Typical application circuit VSENSE+ RSENSE VSENSE- VCC GND VOUT VSENSEVSENSE+ VSENSEVCC ZXCT1051 GND VOUT VSENSE+ VOUT Ordering information Order code ZXCT1051E5TA Package SOT23-5 Partmark 1051 Reel size (inches) 7 Tape width (mm) 8 Quantity per reel 3,000 Issue 2 - November 2006 © Zetex Semiconductors plc 2006 1 www.
zetex.
com ZXCT1051 Absolute maximum ratings VCC max.
Voltage on VSENSE- and VSENSE+ Voltage on all other pins VSENSE "(VSENSE+) - (VSENSE-) Operating temperature, Tamb Storage temperature Maximum junction temperature Package power dissipation 20V -0.
6 to VCC -0.
6V and VCC +0.
6V 500mV -40 to 125°C -55 to 150°C 150°C 300mW at Tamb = 25°C (de-rate to zero at 150°C) Operation above the absolute maximum rating may cause device failure.
Operation at the absolute maximum ratings, for extended periods, may reduce device reliability.
Recommended operating conditions Parameter VSENSE+ VCC VSENSE VOUT Tamb Common-mode sense input range Supply voltage range Differential sense input voltage range Output voltage range Ambient temperature range Min.
0...


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