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ZXCT1107 Datasheet(PDF) 2 Page - Diodes Incorporated

Part No. ZXCT1107
Description  LOW POWER HIGH-SIDE CURRENT MONITORS
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Maker  DIODES [Diodes Incorporated]
Homepage  http://www.diodes.com
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ZXCT1107 Datasheet(HTML) 2 Page - Diodes Incorporated

 
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ZXCT1107/1109/1110
LOW POWER HIGH-SIDE CURRENT MONITORS
ZXCT1107/1109/1110
Document number: DS35033 Rev. 1 - 2
2 of 17
www.diodes.com
MARCH 2011
© Diodes Incorporated
A Product Line of
Diodes Incorporated
Pin Descriptions
Package
SOT23
SOT23-5
Description
Name
ZXCT1107
ZXCT1109
ZXCT1110
OUT
1
1
1
1
3
Output pin. Current output.
S+
3
2
4
This is the positive input of the current monitor and has a wide
common-mode input range. This also acts as the analog supply and
provides power to internal circuitry. The current through this pin
varies with differential sense voltage.
S-
2
3
5
This is the negative input of the current monitor and has a wide
common-mode input range.
GND
-
-
2
Ground pin and substrate connection.
NC
-
-
1
No connection
Notes.
1. For the ZXCT1107 and ZXCT1109 pin 1 (OUT) acts as both the output pin and substrate connection. This means that for the
ZXCT1107 and ZXCT1109 the minimum rail voltage that can be used is 2.5V + VOUT (see applications section for more details).
Absolute Maximum Ratings
Description
Rating
Unit
Voltage on S- and S+ relative to OUT (ZXCT1107/9)
-0.3 to 40
V
Voltage on S- and S+ relative to GND (ZXCT1110)
-0.3 to 40
V
Voltage on OUT to GND (ZXCT1110)
-0.3 to VS+
V
Differential Sense Voltage, VSENSE
2,3
-0.3 to 0.8
V
Current into S+ and S-
3
±8.5
mA
Storage Temperature
-55 to 150
°C
Maximum Junction Temperature
150
°C
Package Power Dissipation (TA = 25°C)
SOT23
SOT23-5
300 (De-rate to Zero at 150°C)
300 (De-rate to Zero at 150°C)
mW
ESD Ratings
Human Body Model
1000
V
Machine Model
150
V
Operation above the absolute maximum rating may cause device failure. Operation at the absolute maximum ratings,
for extended periods, may reduce device reliability.
Notes:
2. VSENSE = VS+ - VS-
3. The differential input voltage limit, VS+ - VS-, may be exceeded provided that the input current limit into S+ or S- is not exceeded.
Recommended Operating Conditions
Symbol
Parameter
Min
Max
Unit
VS+
Common-mode input range
4:
ZXCT1110
2.5
36
V
ZXCT1107/9
VOUT(MAX)
+ 2.5
36
VSENSE
Differential Sense Input voltage range (VS+-VS-)
0
0.5
V
VOUT
Output voltage range (0
≤ VSENSE ≤ 100mV)
ZXCT1110
0
VS- - 1
V
ZXCT1107/9
0
VS+ - 2.5
TA
Ambient temperature range
-40
125
°C
Notes.
4. For the ZXCT1107 and ZXCT1109 pin 1 (OUT) acts as both the output pin and substrate connection. This means that for the
ZXCT1107 and ZXCT1109 the minimum rail voltage that can be used is 2.5V + VOUT (see applications section for more details).


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