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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC4449 датащи(PDF) 38 Page - Linear Technology |
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LTC4449 датащи(HTML) 38 Page - Linear Technology |
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38 / 38 page  LTC3774 38 3774fc For more information www.linear.com/LTC3774 LINEAR TECHNOLOGY CORPORATION 2013 LT 0417 REV C • PRINTED IN USA www.linear.com/LTC3774 TYPICAL APPLICATION RELATED PARTS Dual Phase 1.2V/30A LTC3774 Converter with Hot Swap Circuits On the Input of Each Phase 3774 TA05 RUN1, 2 VIN INTVCC FREQ PHSMD TK/SS1,2 ITEMP1,2 VOSNS1,2+ VOSNS1,2– ITH1,2 ILIM1,2 ON1 CLS GND ON2 FTMR1 FAULT1 FAULT2 FTMR2 SNSD1+ SNS1– SNSA1+ PGOOD1 PGOOD2 SNSA2+ SNS2– SNSD2+ CLKOUT MODE/PLLIN LTC3774 LTC4226 64.9k 10k 0.007 FDMS86500DC D17 CMHZ4690 0.007 FDMS86500DC PWM2 HIZB2 PWMEN2 PWM1 HIZB1 HIZB1 HIZB2 1µF PWMEN1 GND 4.7µF 10k 0.1µF 37.4k 330pF L1, L2: WÜRTH 744301033 COUTCER1,2: MURATA GRM31CR60J107ME39L COUTBLK: SANYO 2R5TPE330M9 3.01k 2.2k 3.3nF 10k 10k 10k 100pF 22µF 25V VIN 10V TO 14V 150µF 25V 2× 5VBIAS VIN1 VIN2 + 30.1k 100pF 2.4M CMHZ4690 1N4448HWT 1N4448HWT PWM VIN BOOT PHASE VSWH FDMF6820 DrMOS 5V BIAS 1Ω 0.22µF L4 0.33µH 2.2µF 22µF 25V 2× 2.2µF 0.22µF 0.22µF 0.22µF 0.22µF 931Ω 4.64k 931Ω 4.64k PWM VIN BOOT PHASE VSWH FDMF6820 DrMOS 5V BIAS 1Ω 0.22µF 2.2µF 22µF 25V 2× 2.2µF COUTCER1 100µF 6.3V 2× COUTCER1 330µF 2.5V 6× VOUT 1.2V/30A L3 0.33µH COUTCER2 100µF 6.3V 2× + 1N4448HWT 1N4448HWT 1µF 10k VIN1 VIN2 37.4k PART NUMBER DESCRIPTION COMMENTS LTM4630 LTM4630-1A LTM4630-1B Dual 18A or Single 36A DC/DC μModule Regulator 4.5V ≤ VIN ≤ 15V, 0.6V ≤ VOUT ≤ 1.8V ±1.5% Max VOUT Error Over Line, Load and Temp –1A Version: ±0.8% Max VOUT Error Over Line, Load and Temp LTC3887 Dual Output Multiphase Step-Down DC/DC Controller with Digital Power System Management and ±0.5% Accuracy 4.5V≤ VIN ≤ 24V, 0.5V ≤ VOUT ≤ 5.5V, Analog Control Loop, 70ms Start-Up, I2C/PMBus Interface with EEPROM and 16-bit ADC LTC3875 Dual, Multiphase Synchronous Controller with Sub Milliohm DCR Sensing and Temperature Compensation 4.75V≤ VIN ≤ 38V, 0.6V ≤ VOUT ≤ 3.5V/5V Excellent Current Share when Paralleled LTC3861 Dual, Multiphase, Synchronous Step-Down DC/DC Controller with Diff Amp and Tri-State Output Drive Operates with Power Blocks, DrMOS or External MOSFETs 3V≤ VIN ≤ 24V LTC3855 Dual Output, 2-phase, Synchronous Step-Down DC/DC Controller with Diff Amp and DCR Temperature Compensation 4.5V≤ VIN ≤ 38V, 0.8V ≤ VOUT ≤ 12V PLL Fixed Frequency 250kHz to 770kHz, LTC3856 Single Output 2-Phase Synchronous Step-Down DC/DC Controller with Diff Amp and DCR Temperature Compensation 4.5V≤ VIN ≤ 38V, 0.8V≤ VOUT ≤ 5V PLL Fixed 250kHz to 770kHz Frequency LTC3838 Dual Output, 2-phase, Synchronous Step-Down DC/DC Controller with Diff Amp and Controlled On-Time 4.5V≤ VIN ≤ 38V, 0.8V ≤ VOUT ≤ 5.5V PLL, Up to 2MHz Switching Frequency LTC3869/ LTC3869-2 Dual Output, 2-Phase Synchronous Step-Down DC/DC Controller, with Accurate Current Share 4V≤ VIN ≤ 38V, VOUT3 up to 12.5V PLL Fixed 250kHz to 750kHz Frequency LTC4449 High Speed Synchronous N-Channel MOSFET Driver VIN up to 38V, 4V ≤ VCC ≤ 6.5V Adaptive Shoot-Through Protection, 2mm x 3mm DFN-8 |
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