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ZXCT1021 Datasheet(PDF) 1 Page - Diodes Incorporated |
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ZXCT1021 Datasheet(HTML) 1 Page - Diodes Incorporated |
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1 / 8 page  Issue 9 - July 2007 1 www.zetex.com © Zetex Semiconductors plc 2007 ZXCT1021 Low offset high-side current monitor Description Ordering information The ZXCT1021 is a precision high-side current sense monitor. Using this type of device eliminates the need to disrupt the ground plane when sensing a load current. The ZXCT1021 provides a fixed gain of 10 for applications where minimal sense voltage is required. The very low offset voltage enables a typical accuracy of 3% for sense voltages of only 10mV, giving better tolerances for small sense resistors necessary at higher currents. The wide input voltage range of 20V down to as low as 2.5V make it suitable for a range of applications. With a minimum operating current of just 25µA, combined with its SOT23- 5 package make it suitable for portable battery equipment too. Features • Accurate high-side current sensing • Output voltage scaling • 2.5V – 20V supply range •25 A quiescent current • 1% typical accuracy • SOT23-5 package Applications • Battery chargers • Smart battery packs • DC motor control • Over current monitor • Power management • Level translating • Programmable current source Pinout information Typical application circuit Order reference Package Device marking Status Reel size (inches) Quantity per reel Tape width (mm) ZXCT1021E5TA SOT23-5 1021 Released 7 3000 8 NC GND VOUT VSENSE- VSENSE+ Pinout - top view |
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