Electronic Components Datasheet Search |
|
ZXCT1080E5TA Datasheet(PDF) 9 Page - Zetex Semiconductors |
|
ZXCT1080E5TA Datasheet(HTML) 9 Page - Zetex Semiconductors |
9 / 12 page ZXCT1080 Issue 1 - November 2007 9 www.zetex.com © Zetex Semiconductors plc 2007 Figure 2 Protection/error sources for ZXCT1080 Capacitor CD provides high frequency transient decoupling when used with RLIM; typical values are of the order 10pF For best performance RSENSE should be connected as close to the S+ (and SENSE ) pins; minimizing any series resistance with RSENSE. When choosing appropriate values for RSENSE a compromise must be reached between in-line signal loss (including potential power dissipation effects) and small signal accuracy. Higher values for RSENSE gives better accuracy at low load currents by reducing the inaccuracies due to internal offsets. For best operation the ZXCT1080 has been designed to operate with VSENSE of the order of 50mV to 150mV. Current monitors' basic configuration is that of a unipolar voltage to current to voltage converter powered from a single supply rail. The internal amplifier at the heart of the current monitor may well have a bipolar offset voltage but the output cannot go negative; this results in current monitors saturating at very low sense voltages. As a result of this phenomenon the ZXCT1080 has been specified to operate in a linear manner over a VSENSE range of 10mV to 150mV range, however it will still be monotonic down to VSENSE of 0V. It is for this very reason that Zetex has specified an input offset voltage (VO(10)) at 10mV. The output voltage for any VSENSE voltage from 10mV to 150mV can be calculated as follows: Alternatively the load current can be expressed as: R SENSE C D R LIM ZXCT1080 S+ S- V OUT V SENSE ()xG V O10 () + = I L V OUT V O10 () – () GxR SENSE ------------------------------------------- = |
Similar Part No. - ZXCT1080E5TA |
|
Similar Description - ZXCT1080E5TA |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.NET |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |