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Zetex Semiconductors - Precision wide input range current monitor

Numéro de référence ZXCT1051
Description Precision wide input range current monitor
Fabricant Zetex Semiconductors 
Logo Zetex Semiconductors 





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ZXCT1051 fiche technique
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.
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Features
• 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
Applications
• Power supply
• DC motor and solenoid control
• Battery management
• Over current monitor
• Power management
• Short circuit detection
Pin connections
Typical application circuit
VSENSE+
RSENSE
VSENSE-
VCC
GND
VOUT
VSENSE-
VSENSE+
VSENSE+ VSENSE-
VCC ZXCT1051
GND
VOUT
Ordering information
Order code
Package
ZXCT1051E5TA
SOT23-5
Partmark
1051
VOUT
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

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