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SPX3431AM Datasheet(PDF) 1 Page - Sipex Corporation |
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SPX3431AM Datasheet(HTML) 1 Page - Sipex Corporation |
1 / 5 page Rev. 10/25/00 SPX3431 Micropower 2.5V Precision Adjustable Shunt Regulator FEATURES APPLICATIONS • Voltage Tolerance ..................................0.5% & 1.0% • Battery Operating Equipment • Wide Operating Current .................... 1mA to 100mA • Adjustable Supplies • Extended Temperature Range .......................... 105 °°°°C • Switching Power Supplies • Low Temperature Coefficient ........................30 ppm/ °C • Error Amplifiers • Offered in SOT-23, TO-92 & SOT 89 • Single Supply Amplifier • Low Output Noise • Monitors / VCR / TV • Personal Computers PRODUCT DESCRIPTION The SPX3431 is a 3-terminal Adjustable Shunt Voltage Regulator providing a highly accurate 0.5% bandgap reference. SPX3431 acts as an open-loop error amplifier with a 2.5V temperature compensation reference. The SPX3431 thermal stability, wide operating current (100mA) and temperature range (0 °C to 105°C) makes it suitable for all variety of applications that are looking for a low cost solution with high performance. SPX3431 tolerance of 0.5% is proven to be sufficient to overcome all the other errors in the system to virtually eliminate the need for trimming in the power supply manufactures assembly line and contribute a big Cost Savings. In the standard shunt configuration, the combination of low temperature coefficient (T.C.), sharp turn-on characteristics, low output impedance and programmable output voltage make this precision reference an excellent error amplifier. The SPX3431 is a direct replacement for the SPX431 and TL431 in low voltage, low current applications. SPX3431 is also available in SOT-89 and TO-92. SOT-89 Marking & pinout for all devices SOT-23 Marking & pinout for the 0.5% device SOT-23 Marking & pinout for the 1% device Top View REF CATHODE ANODE Top View REF CATHODE ANODE Top View SPX3431 1 CATHODE 2 ANODE 3 REF REF Top View 13 2 CATHODE ANODE TO-92 (N) SPX3431 SPX3432 PIN CONNECTIONS |
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