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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TPS658620ZQZT датащи(PDF) 59 Page - Texas Instruments |
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TPS658620ZQZT датащи(HTML) 59 Page - Texas Instruments |
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59 / 104 page  3.55.2 PWM OPERATION TPS658620 Advanced Power Management Unit www.ti.com SLVS993 – OCTOBER 2009 Table 3-26. SM1V1[4:0] / SM1V2[4:0] Output Voltage Settings RANGE [4:0] VOUT (V) [4:0] VOUT (V) [4:0] VOUT (V) [4:0] VOUT (V) 0.725V–1.50V 00000 0.725 01000 0.925 10000 1.125 11000 1.325 00001 0.750 01001 0.950 10001 1.150 11001 1.350 00010 0.775 01010 0.975 10010 1.175 11010 1.375 00011 0.800 01011 1.000 10011 1.200 11011 1.400 00100 0.825 01100 1.025 10100 1.225 11100 1.425 00101 0.850 01101 1.050 10101 1.250 11101 1.450 00110 0.875 01110 1.075 10110 1.275 11110 1.475 00111 0.900 01111 1.100 10111 1.300 11111 1.500 Table 3-27. SM0SL[2:0] and SM1SL[2:0] Slew Rate Settings SMxSL SLEW RATE SMxSL SLEW RATE SMxSL SLEW RATE SMxSL SLEW RATE [2:0] (mV/ µs) [2:0] (mV/ µs) [2:0] (mV/ µs) [2:0] (mV/ µs) 000 INSTANTLY 001 0.11 010 0.22 011 0.44 100 0.88 101 1.76 110 3.52 111 7.04 Table 3-28. Non-DVM supply Voltage selection - SM2, LDO8 SUPPLYV2 [Addr 0x42] Bit Number B7 B6 B5 B4 B3 B2 B1 B0 Bit Name VLDO8[2] VLDO8[1] VLDO8[0] VSM2[4] VSM2[3] VSM2[2] VSM2[1] VSM2[0] Function LDO8 OUTPUT VOLTAGE SM2 OUTPUT VOLTAGE Table 3-29. VSM2[4:0] Output Voltage Settings RANGE [4:0] VOUT (V) [4:0] VOUT (V) [4:0] VOUT (V) [4:0] VOUT (V) 3.0V–4.55V 00000 3.000 01000 3.400 10000 3.800 11000 4.200 00001 3.050 01001 3.450 10001 3.850 11001 4.250 00010 3.100 01010 3.500 10010 3.900 11010 4.300 00011 3.150 01011 3.550 10011 3.950 11011 4.350 00100 3.200 01100 3.600 10100 4.000 11100 4.400 00101 3.250 01101 3.650 10101 4.050 11101 4.450 00110 3.300 01110 3.700 10110 4.100 11110 4.500 00111 3.350 01111 3.750 10111 4.150 11111 4.550 During PWM operation the converters use a fast response voltage mode controller scheme with input voltage feed-forward, enabling the use of small ceramic input and output capacitors. At the beginning of each clock cycle the high side channel MOSFET switch is turned on, and the oscillator starts the voltage ramp. The inductor current will ramp-up until the ramp voltage reaches the error amplifier output voltage, when the comparator trips and the high-side channel MOSFET switch is turned off. Internal adaptive break-before-make circuits turn on the integrated low-side MOSFET switch after an internal, fixed dead-time delay, and the inductor current ramps down, until the next cycle is started. When the next cycle starts the ramp voltage is reset to its low value and the high-side channel MOSFET switch is turned on again. Submit Documentation Feedback DETAILED DESCRIPTION 59 |
Аналогичный номер детали - TPS658620ZQZT |
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Аналогичное описание - TPS658620ZQZT |
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