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CM431DCM89 Datasheet(PDF) 7 Page - List of Unclassifed Manufacturers |
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CM431DCM89 Datasheet(HTML) 7 Page - List of Unclassifed Manufacturers |
7 / 12 page CM431 LOW VOLTAGE ADJUSTABLE SHUNT REGULATOR 2003/03/24 Preliminary Rev.1.1 Champion Microelectronic Corporation Page 7 APPLICATION INFORMATION VO = (1 + R1/R2) × ××× V REF Note: R should provide 1mA cathode current to the CM431 of minimum VBATT Figure 4. Shunt Regulator Figure 5. Single –Supply Comparator With Temperature compensated threshold. VO = (1 + R1/R2) ×××× V REF Figure 6. High-Current Shunt Regulator Figure 7. Crowbar Circuit VBATT R1 0.1% VREF Von ≈ 2V Voff ≈ VBATT GND Vth = 2.5V Input VO VBATT R2 0.1% VO R* R1 R2 VBATT CM431 CM431 CM431 CM431 VBATT R1 R2 C VO VO |
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