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PDF FAN4010 Data sheet ( Hoja de datos )
| Número de pieza | FAN4010 | |
| Descripción | High-Side Current Sensor | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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FAN4010
High-Side Current Sensor
March 2007
Features at +5V
■ Low cost, accurate, high-side current sensing
■ Output voltage scaling
■ Up to 2.5V sense voltage
■ 2V to 6V supply range
■ 2μA typical offset current
■ 3.5μA quiescent current
■ -0.2% accuracy
■ SOT23-5 package
■ 6-lead MicroPak™ future package option
Applications
■ Battery chargers
■ Smart battery packs
■ DC motor control
■ Over-current monitor
■ Power management
■ Programmable current source
Description
The FAN4010 is a high-side current sense amplifier
designed for battery-powered systems. Using the
FAN4010 for high-side power-line monitoring does not
interfere with the battery charger’s ground path. The
FAN4010 is designed for portable PC’s, cellular phones,
and other portable systems where battery/DC power-line
monitoring is critical.
To provide a high level of flexibility, the FAN4010 functions
with an external sense resistor to set the range of load
current to be monitored. It has a current output that can
be converted to a ground-referred voltage with a single
resistor, accommodating a wide range of battery voltages
and currents. The FAN4010 features allow it to be used
for gas gauging as well as uni-directional or bi-directional
current monitoring.
www.DataSheet4U.com
Functional Block Diagram and Typical Circuit
VIN
1007
Load
1 NC
Load 5
RLoad
VOUT
2 GND
3 IOUT
VIN 4
RSENSE
VIN
ROUT
IOUT
Figure 1. Functional Block Diagram and Typical Circuit
Ordering Information
Part Number
Package
FAN4010IS5X
FAN4010IL6X*
SOT23-5
MicroPak-6
Moisture sensitivity level for all parts is MSL-1.
MicroPak™ is a trademark of Fairchild Semiconductor Corporation.
*Future package option.
Pb-Free
Yes
Yes
Operating
Temperature Range
-40°C to +85°C
-40°C to +85°C
Packaging
Method
Reel
Reel
© 2007 Fairchild Semiconductor Corporation
FAN4010 Rev. 1.0.1
www.fairchildsemi.com
1 page  
Typical Performance Characteristics
TA = 25°C, Vs = VIN = 5V, ROUT = 100Ω, RSENSE = 100Ω, unless otherwise noted.
10
VS = 5V
ROUT = 0Ω
ROUT = 100Ω
1
0.1
0.01
0.1
VSENSE (V)
1
Figure 4. VSENSE vs. Output Current
250
VIN = 5V
200
ROUT = 0Ω
Average of 100 parts
150
100 +1 SIGMA
50 Average
0
-50
-1 SIGMA
-100
-150
0.1m 1m 10m 100m 1 10
VSENSE (V)
Figure 5. Output Current Error vs. VSENSE
10.4
VSENSE = 1V
VIN = 5V
10.2 RL= 0Ω
10.0
9.8
9.6
9.4
-40
-20
0 20 40 60
Temperature (°C)
80
Figure 6. Output Current vs. Temperature
3
Vs = 5V
ROUT = 100Ω
0
-3 VSENSE = 0.1V
VSENSE = 0.01V
-6
VSENSE = 1V
-9
PIN = -20dBm of VSENSE = 0.1V & 1V
PIN = -40dBm of VSENSE = 0.01V
-12
0.01 0.1
1
Frequency (MHz)
10
Figure7. Frequency Response
12
ROUT = 0Ω
10
8
6
4
2
VSENSE = 1V
VSENSE = 0.8V
VSENSE = 0.6V
VSENSE = 0.4V
VSENSE = 0.2V
0
-2
01234
VIN (V)
Figure 8. Transfer Characteristics
5
12
ROUT = 100Ω
10
8
6
4
2
VSENSE = 1V
VSENSE = 0.8V
VSENSE = 0.6V
VSENSE = 0.4V
VSENSE = 0.2V
0
-2
012345
VIN (V)
Figure 9. Transfer Characteristics
© 2007 Fairchild Semiconductor Corporation
FAN4010 Rev. 1.0.1
5
www.fairchildsemi.com
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| PDF Descargar | [ Datasheet FAN4010.PDF ] | |
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