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PDF XRP431L Data sheet ( Hoja de datos )
| Número de pieza | XRP431L | |
| Descripción | Precision Adjustable Shunt Regulator | |
| Fabricantes | Exar | |
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Hay una vista previa y un enlace de descarga de XRP431L (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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September 2010
XRP431L
Precision Adjustable Shunt Regulator
Rev. 1.2.0
GENERAL DESCRIPTION
The XRP431L is a three-terminal adjustable
shunt voltage regulator providing a highly
accurate bandgap reference.
The XRP431L acts as an open-loop error
amplifier with a 1.24V temperature
compensation reference. The XRP431L has
thermal stability, wide operating current of
100mA and broad temperature range of -40°C
to 125°C, making it suitable for a variety of
applications which require a low-cost, high
performance solution. The XRP431L tolerance
of 0.5% is proven to be sufficient to overcome
all other errors in the system to virtually
eliminate the need for trimming in the power
supply manufacturer's assembly line and
contribute a significant cost savings. The
output voltage may be adjusted to any value
between VREF and 18 volts with two external
resistors.
The XRP431L is available in RoHS compliant,
“green”/halogen free 5-pin SOT23 package.
APPLICATIONS
• Charger
• Switching Power Supplies
• Graphic Cards
• Monitors, VCRs, TVs
FEATURES
• 0.5% Precise Output Voltage
− Adjustable 1.24V to 18V
• Wide Operating Current
− 0.1mA to 100mA
• Low Temperature Coefficient
at 20ppm/°C
• Extended Temperature Range
− -40°C to +125°C
• RoHS Compliant “Green”/Halogen Free
5-pin SOT23 Package
TYPICAL APPLICATION DIAGRAM
Fig. 1: XRP431L Application Diagram
Exar Corporation
48720 Kato Road, Fremont CA 94538, USA
www.exar.com
Tel. +1 510 668-7000 – Fax. +1 510 668-7001
1 page  
XRP431L
Precision Adjustable Shunt Regulator
Fig. 9: Test Circuit for Gain vs Frequency Response
Fig. 10: Small Signal Gain vs Frequency
Fig. 11: Test Circuit for Pulse Response
Fig. 12: Pulse Response
Fig. 13: Test Circuit for Dynamic Output Impedance
Fig. 14: Dynamic Output Impedance
© 2010 Exar Corporation
5/8
Rev. 1.2.0
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet XRP431L.PDF ] | |
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