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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LM3450MT/NOPB датащи(PDF) 9 Page - Texas Instruments |
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LM3450MT/NOPB датащи(HTML) 9 Page - Texas Instruments |
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9 / 42 page  + - + - + - ANGLE DEMOD DIM R 2R COMP FB 2.7V 2.5V 346mV 50 PA 1 PA 168mV 3V 75 mV FLT1 FLT2 500 k: + - Low Power VCCUV CS GND ZCD HOLD GATE + - 5 PA 5 k: 40 k: + - LEB 1.5V LOGIC & CONTROL Over Voltage Shutdown Error Amp Disable 5V PWM Current Limit Multiplier 1.5V Zero Crossing 6V BIAS VCCUV 6V 14V INTERNAL REGULATORS VCC UVLO + - 3V Q Q R S THERMAL SHUTDOWN 10V LEB VCCUV Sampled Hold Transition 140 ns Low Power MAXIMUM OFF-TIME (340 Ps, 42 Ps) 1 k: VCCUV COMP PRE-BIAS Amplitude Adjust Low Power Reset Off-Timer Timer Expired + - + - + - + - + - Burst 1.4V Burst 1.5V SAMPLE and LOG REMAP DIN DOUT 500 Hz Triangle DIN DOUT VCC ISEN VREF VAC VADJ LM3450A has Continuous Hold *LM3450 and LM3450A are identical except where indicated in blue LM3450 www.ti.com SNVS681D – NOVEMBER 2010 – REVISED MAY 2013 BLOCK DIAGRAM Copyright © 2010–2013, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: LM3450 |
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