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SPX431LM Datasheet(PDF) 1 Page - Sipex Corporation |
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SPX431LM Datasheet(HTML) 1 Page - Sipex Corporation |
1 / 12 page 1 Date: 5/25/04 SPX431L Precision Adjustable Shunt Regulator © Copyright 2004 Sipex Corporation5 Precision Adjustable Shunt Regulator SPX431L DESCRIPTION FEATURES ■ Tight Voltage Tolerance 0.5% at 10mA ■ Wide Operating Current 1mA to 100mA ■ Extended Temperature Range: 0°C to 105°C ■ Low Temperature Coefficient 30 ppm/°C ■ Improved Replacement in Performance for TL431 and AS431 ■ Low Cost Solution ® The SPX431L is a 3-terminal adjustable shunt voltage regulator providing a highly accurate bandgap reference.The SPX431L acts as an open-loop error amplifier with a 2.5V temperature compensation reference. The SPX431L’s thermal stability, wide operating current (100mA) and temperature range (0°C to 105°C) makes it suitable for a variety of applications that require a low cost, high performance solution. SPX431L tolerance of 0.5% is proven to be sufficient to overcome all of the 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 20V with two external resistors. The SPX431L is available in TO-92, SOIC-8, SOT-89, and SOT-23-3 packages. ■ Error Amplifiers ■ Single Supply Amplifier ■ Monitors / VCRs / TVs ■ Personal Computers BLOCK DIAGRAM + - 2.5V Reference (R) Anode (A) Cathode (K) APPLICATIONS ■ Battery Operating Equipment ■ Adjustable Supplies ■ Switching Power Supplies SPX431L 3 Pin SOT-23 ANODE REF CATHODE 1 Now Available in Lead Free Packaging |
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