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ZXCT1023
MICROPOWER FIXED GAIN OF 50 CURRENT MONITOR
 
ZXCT1023 
Document number: DS31997 Rev. 3 - 2 
6 of 8
www.diodes.com
June 2011
?Diodes Incorporated 
Application Information
 
The ZXCT1023 is line powered (derives its power from
the rail being sensed) this reduces the number of pins
used and PCB trace routing. The fixed gain of 50
reduces the PCB area by reducing the number of
external components. The only external component
required is the sense resistor. This coupled with the
1.2mm x 1.8mm TDFN package makes the solution size
very small.
The fixed gain of 50 has been chosen to meet the
normal requirements of most applications.

+
GND
S-
R
S
R
GT
S+
V
OUT
R
G
   
The ZXCT1023 has its gain setting resistor, R
G
, set at
15k& which further reduces power consumption at
larger V
SENSE
.
 
Application Examples
Please refer to Zetex AN39 for sample applications.
 
 
 
 
 
 
 
 
 
 
Ordering Information
 
Order Reference
Package
Device
Marking
Status
Reel Size
(inches)
Quantity
Per Reel
Tape Width
(mm)
ZXCT1023DFGTA
TDFN1218
23
Active
7
3000
8
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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