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CM431ABCS Datasheet(PDF) 9 Page - Champion Microelectronic Corp. |
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CM431ABCS Datasheet(HTML) 9 Page - Champion Microelectronic Corp. |
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9 / 14 page 
CM431A LOW VOLTAGE ADJUSTABLE SHUNT REGULATOR 2006/10/11 Rev1.2 Champion Microelectronic Corporation Page 9 APPLICATION INFORMATION (continued) V V Figure 8.Precision 5V, 1.5A Regulator Figure 9. Precision Constant Current Sink VO = (1 + R1/R2) × VREF Min VO = VREF + 5V Figure 10. Output Control of a Three-Terminal Fixed Regulator IOUT = (VREF/RCL) + IKA R1 = VBATT/((IO/hFE) + IKA) Figure 11. Precision Current Limiter CM431A LM317 8.2K Ω 243 Ω 0.1% VBATT O = 5V/1.5A BATT IO = V /R REF S Adjust CM431A R 243 Ω S 0.1% 0.1% V I R BATT IN O CL 0.1% OUT V V BATT 78L05 O Common R1 R1 CM431A R2 CM431A |
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