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PDF ZXCT1051 Data sheet ( Hoja de datos )
| Número de pieza | ZXCT1051 | |
| Descripción | Precision wide input range current monitor | |
| Fabricantes | Zetex Semiconductors | |
| Logotipo |  |
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ZXCT1051
Precision wide input range current monitor
Description
The ZXCT1051 is a wide input range current
monitor, which operates over a range of input
voltages from ground up to VCC-2V. As a result
the ZXCT1051 can be used on the high or low
side of the load.
The very low offset voltage enables a typical
accuracy of 1% for sense voltages of only
30mV, giving better tolerances for small sense
resistors necessary at higher currents.
The ZXCT1051 provides a fixed gain of 10
thereby removing the need for an additional
resistor.
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Features
• Accurate down to end current sensing
• Output voltage scaling x10
• 0 to VCC-2V sense input range
• 2.7 to 20V supply range
• 50 µA quiescent current
• 1% typical accuracy
• SOT23-5 package
Applications
• Power supply
• DC motor and solenoid control
• Battery management
• Over current monitor
• Power management
• Short circuit detection
Pin connections
Typical application circuit
VSENSE+
RSENSE
VSENSE-
VCC
GND
VOUT
VSENSE-
VSENSE+
VSENSE+ VSENSE-
VCC ZXCT1051
GND
VOUT
Ordering information
Order code
Package
ZXCT1051E5TA
SOT23-5
Partmark
1051
VOUT
Reel size
(inches)
7
Tape width
(mm)
8
Quantity
per reel
3,000
Issue 2 - November 2006
© Zetex Semiconductors plc 2006
1
www.zetex.com
1 page  
ZXCT1051
Typical characteristics
10
1
100m
10m
1E-3
1100
0.01
5
0
-5
0.1 -40 -20 0 20 40 60 80 100 120
Temperature Characteristic
10.1
1050
1000
10.0
950
900
-20 -15 -10 -5 0 5 10 15 20
µ
V v Load Current
OUT
18
16
14
12
10
8
6
4
2
0
-2
-4
-6
-8
0 2 4 6 8 10 12 14 16 18 20
Common Mode Characteristic
9.9
0
50m
100m
150m
Incremental Gain v Sense Voltage
12
8
4
0
-4
-8
-12
0
5 10 15
Supply Characteristic
20
Issue 2 - November 2006
© Zetex Semiconductors plc 2006
5
www.zetex.com
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet ZXCT1051.PDF ] | |
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