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SPX4041BS-2 Datasheet(PDF) 3 Page - Sipex Corporation |
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SPX4041BS-2 Datasheet(HTML) 3 Page - Sipex Corporation |
3 / 7 page Rev. 10/25/00 SPX4041 Note: 1) Three-point measurement guarantees the error band over the specified temperature range. 2) Optimum performance is obtained at currents below 1000 µA. 3) Limits are 100% production tested at 25 °C. Limits over temperature are guaranteed through correlation using statistical quality control. SPX4041 Applications Hints This device is designed for stable operation and has no need of an external capacitor between pin 4 and 8. The reference remains stable if a bypass capacitor is used. SOT-23 The SPX4041 in the SOT-23 package has a parasitic Schottky diode between pin 3 and pin 1. Pin 1 of SOT-23 must float or be connected to pin 3. Conventional Shunt Regulator In a conventional shunt regulator application (see Figure 1), an external series resister (RS) is connected between the supply voltage and the SPX4041. RS determines the current that flows through the load (IL) and the reference(IQ). Since load current and supply voltage may vary, RS should be small enough to supply at least the minimum acceptable IQ to the reference even when the supply voltage is at its minimum and the load current is at its maximum value. When the supply voltage is at its maximum and IL is at its minimum, RS should be large enough so that the current flowing through the SPX4041-x.x is less than 15mA RS is determined by the supply voltage (VS), the load and operating current (IL and IQ), reference’s reverse breakdown voltage (VR). RS = (VS - VR)/(IL+IQ) Figure 1. SPX4041 Fixed Shunt Regulator Application V S R S V R I L I Q I O + IL V O SPX4041 |
Similar Part No. - SPX4041BS-2 |
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Similar Description - SPX4041BS-2 |
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