ZXCT1009F View Datasheet(PDF) - Diodes Incorporated.
Part Name
Description
Manufacturer
ZXCT1009F Datasheet PDF : 8 Pages
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ZXCT1009
HIGH-SIDE CURRENT MONITOR
Pin Descriptions
Pin Name
VSENSE+
VSENSE-
IOUT
Pin Function
Connection to supply voltage
Connection to load
Output current, proportional to measured current
Absolute Maximum Ratings (TA = 25°C)
Description
Rating
Unit
Voltage on any pin (relative to IOUT)
-0.6 to 20
V
Continous output current, IOUT
25
mA
Continuous sense voltage, VSENSE†
-0.5 to +5
V
Operating temperature, TA
-40 to 85
°C
Storage temperature
-55 to 125
°C
Package power
SOT23
dissipation @ TA = 25°C
(Derate to zero @ 125°C)
SM8
450
mW
2
W
Operation above the absolute maximum rating may cause device failure. Operation at the absolute
maximum ratings for extended periods may reduce device reliability.
Electrical Characteristics (TA = 25°C, VIN = 5V, ROUT = 100Ω)
Symbol
Parameter
Conditions
VIN VCC range
IOUT1 Output Current
VSENSE†
ISENSE-
Sense Voltage
VSENSE -
Input Current
ACC
Accuracy
VSENSE = 0V
VSENSE = 10mV
VSENSE = 100mV
VSENSE = 200mV
VSENSE = 1V
RSENSE = 0.1Ω
VSENSE = 200mV
Transconductance,
GM
IOUT/VSENSE
BW Bandwidth
VSENSE(DC) = 10mv, RF PIN = -40dBm‡
VSENSE(DC) = 100mv, RF PIN = -20dBm‡
Notes:
1. Includes input offset voltage contribution
†. VSENSE is defined as the differential voltage between VSENSE+ and VSENSE-.
VSENSE = VSENSE+ - VSENSE-
= VIN - VLOAD
= ILOAD x RSENSE
‡ -20dBm=63mVPP into 50Ω
Min
2.5
1
90
0.975
1.95
9.6
0
-2.5
Limits
Typ
4
104
1.002
2.0
9.98
10000
300
2
Max
20
15
120
1.025
2.05
10.2
2500
100
2.5
Units
V
µA
µA
mA
mA
mA
mV
nA
%
µA/V
kHz
MHz
ZXCT1009
Document number: DS33441 Rev. 12 - 2
2 of 8
www.diodes.com
April 2011
© Diodes Incorporated
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