zxct1030 Zetex Semiconductors plc., zxct1030 Datasheet

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zxct1030

Manufacturer Part Number
zxct1030
Description
Zxct1030 - High-side Current Monitor With Comparator
Manufacturer
Zetex Semiconductors plc.
Datasheet

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Part Number:
ZXCT1030
Manufacturer:
ZETEX
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20 000
ZXCT1030
High-side current monitor with comparator
Description
The ZXCT1030 is a high side current sense
monitor containing an internal reference and
comparator with a non-latching output. Using
this device eliminates the need to disrupt the
ground plane when sensing a load current.
Features
Typical application circuit
Ordering information
Issue 3 - June 2007
© Zetex Semiconductors plc 2007
Device
ZXCT1030X8TA Last time buy
ZXCT1030N8TA
Low cost, accurate high-side current sensing
Output voltage scaling
Up to 18V output
2.2V - 20V supply range
Voltage reference on chip
Comparator on chip
SO8 package
Status
Active
Package
MSOP8
SO8
ZXCT1030
ZXCT1030
1
marking
The wide input voltage range of 20V down to as
low as 2.2V make it suitable for a range of
applications. Dynamics and supply current are
optimized for the processing of fast pulses,
associated with switch mode applications.
Applications
Device
Battery chargers
Electronic fuse
DC motor control
Over current monitor
Power management
Inrush current limiting
Reel size
(inches)
7
7
Tape width
(mm)
12
12
www.zetex.com
Quantity
per reel
1000
500

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zxct1030 Summary of contents

Page 1

... ZXCT1030 High-side current monitor with comparator Description The ZXCT1030 is a high side current sense monitor containing an internal reference and comparator with a non-latching output. Using this device eliminates the need to disrupt the ground plane when sensing a load current. Features • Low cost, accurate high-side current sensing • ...

Page 2

... SENSE- V OUT V Positive sense input SENSE+ Vref_out GND Ground V comp_in V Comparator input, usually a ratio of the comp_in reference or other control signal Vref_out Reference output V Current monitor output voltage OUT V Open collector comparator output comp_out 2 ZXCT1030 Unit - °C www.zetex.com ...

Page 3

... Electrical characteristics (ZXCT1030X8 10kV unless otherwise stated. comp comp_supply Symbol Parameter V V range Sense+ range SENSE+ V Output voltage OUT R Output resistance OUT V V OUT OUT T temperature coefficient C I Supply current input current SENSE+ SENSE input current SENSE- ...

Page 4

... Electrical characteristics (ZXCT1030N8 10kV unless otherwise stated. comp comp_supply Symbol Parameter V V range Sense+ range SENSE+ V Output voltage OUT R Output resistance OUT V V OUT OUT T temperature coefficient C I Supply current input current SENSE+ SENSE input current SENSE- ...

Page 5

... Typical characteristics Issue 3 - June 2007 © Zetex Semiconductors plc 2007 5 ZXCT1030 www.zetex.com ...

Page 6

... V-) typically below 2.2V, the comparator will default to the asserted state. This can eliminate a closed loop system 'latch-up' condition, allowing the controller to remove the applied power. Stability To ensure stable operation of the ZXCT1030 recommended a decoupling capacitor is placed across the V and ground connections. A ceramic 10 F will be adequate. CC Issue 3 - June 2007 © ...

Page 7

... Issue 3 - June 2007 © Zetex Semiconductors plc 2007 Intentionally left blank 7 ZXCT1030 www.zetex.com ...

Page 8

... Note: Controlling dimensions are in inches. Approximate dimensions are provided in millimeters Issue 3 - June 2007 © Zetex Semiconductors plc 2007 Millimeters DIM Min. Max. 1.35 1.75 e 0.10 0.25 b 4.80 5.00 c 5.80 6.20 3.80 4.00 h 0.40 1. ZXCT1030 Inches Millimeters Min. Max. Min. 0.050 BSC 1.27 BSC 0.013 0.020 0.33 0.008 0.010 0.19 0° 8° 0° 0.010 0.020 0. www.zetex.com Max. ...

Page 9

... Note: Controlling dimensions are in millimeters. Approximate dimensions are provided in inches Issue 3 - June 2007 © Zetex Semiconductors plc 2007 Millimeters Max. - 1.10 0.15 0.95 0.40 0.23 3.10 4.90 BSC 3.10 0.65 BSC 0. ZXCT1030 Inches Min. Max. - 0.0433 0.002 0.006 0.0295 0.0374 0.010 0.0157 0.005 0.009 0.114 0.122 0.193 BSC 0.114 0.122 0.025 BSC 0.0157 0.0192 0.0027 - ...

Page 10

... Zetex Semiconductors plc 3701-04 Metroplaza Tower 1 Zetex Technology Park, Chadderton Hing Fong Road, Kwai Fong Oldham, OL9 9LL Hong Kong United Kingdom Telephone: (852) 26100 611 Telephone: (44) 161 622 4444 Fax: (852) 24250 494 Fax: (44) 161 622 4446 asia.sales@zetex.com hq@zetex.com 10 ZXCT1030 www.zetex.com ...

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