ZXCT1050 データシートの表示（PDF） - Diodes Incorporated.
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ZXCT1050 Datasheet PDF : 10 Pages
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ZXCT1050
Absolute maximum ratings
VCC max.
Voltage on SENSE- and SENSE+
Voltage on all other pins
VSENSE = ‘(VSENSE+) - (VSENSE-)’
Operating temperature
20V
-0.6 to VCC
-0.6V and VCC +0.6V
500mV
-40 to 125°C
Storage temperature
-55 to 150°C
Maximum junction temperature
150°C
Package power dissipation
300mW* at TA = 25°C (De-rate to zero for TJ = 150°C)
Operation above the absolute maximum rating may cause device failure. Operation at the absolute
maximum ratings, for extended periods, may reduce device reliability.
Recommended operating conditions
VSENSE+
VCC
VSENSE
VOUT
TA
Parameter
Common-mode sense input range
Supply voltage range
Differential sense input voltage range
Output voltage range
Ambient temperature range
Min.
0
2.7
10
0
-40
Max.
VCC-2
20
300
VCC-2
125
Units
V
V
mV
V
°C
Recommended resistor gain setting combinations
Gain
10
20
50
100
20
50
100
RSH
7.5k⍀
7.5k⍀
7.5k⍀
7.5k⍀
3.75k⍀
1.5k⍀
750⍀
RG
3.75k⍀
7.5k⍀
18.7k⍀
37.5k⍀
3.75k⍀
3.75k⍀
3.75k⍀
Pin function table
PIN Name
Description
1
VCC
This is the analog supply and provides power to internal circuitry.
2 GND
Ground pin.
3 OUT
Output pin. A resistor, RGAIN, connected from this pin pin down to ground
develops an output voltage.
4 SENSE+ This is the positive input of the current monitor and has an input range from
0V up to VCC – 2V.
5 SENSE- This is the negative input of the current monitor and has an input range from
0V up to VCC – 2V. The current through this pin varies with differential sense
voltage. A resistor, RSHUNT, from this pin to the rail being sensed set the
transconductance of the current monitor.
Issue 1 - June 2007
2
© Zetex Semiconductors plc 2007
www.zetex.com
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