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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC3370 датащи(PDF) 37 Page - Linear Technology |
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LTC3370 датащи(HTML) 37 Page - Linear Technology |
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37 / 44 page  LTC3372 37 Rev. A For more information www.analog.com TYPICAL APPLICATIONS 4.5V to 60V Input 3.3V/3A Output HV Buck Converter Plus Quad 1V/1.2V/1.8V/2.5V LV Regulators MTOP: NTMFS5C670NL VOUT INTVCC VOUT INTVCC VOUT VOUT VINB SWA GND SWB FB1 VINA EN1 VIN VOUTPRG VINC VIND SWC ITH SWD FB2 EN2 TRACK/SS RUN PGOOD RT CT PLL/MODE VINE VINF SWE SWF FB3 EN3 VING VINH SWG SWH C1 C2 C3 FB4 EN4 WDI WDO TEMP RSTB INTVCC TG BOOST SW BG SENSE+ SENSE– VOUT/EXTVCC LTC3372 MTOP MBOT D1 4.7µF 10nF RSENSE 5m 402k 464k 232k LHV 2.2µH 47µF 649k 162k 47µF 309k 665k 47µF 0.01µF 100pF 2.2nF 8.06k 100k CIN2 2.2µF ×2 CIN1 47µF ×2 COUT2 47µF COUT1 150µF ×2 100k L4 1µH L1 1µH 10µF ×2 10Ω 1nF 0.1µF VOUT1 1V 2A VOUT2 1.2V 2A VOUT 3.3V 3A* VOUT4 2.5V 2A VIN 60V MAX 4.5V MIN MTOP: RJK0651DPB LHV: XAL1010-222ME CIN1: 63HVH47M CIN2: GRM32ER72A225KA35L COUT1: T520B157M006ATE025 COUT2: GRM32ER71A476KE15 D1: DFLS1100 10µF ×2 10µF ×2 10µF ×2 649k 806k 47µF L3 1µH L2 1µH VOUT3 1.8V 2A 3372 TA02 *FULL LOAD IS EQUIVALENT TO SPECIFIED LOAD CURRENT PLUS THE FULL LOAD INPUT CURRENT FROM VOUT1-4 HV Controller Efficiency and Power Loss vs Output Current HV Controller Forced Continuous Mode Load Step BURST EFFICIENCY BURST LOSS VIN = 12V VOUT = 3.3V FCM EFFICIENCY PULSE–SKIPPING EFFICIENCY FCM LOSS PULSE–SKIPPING LOSS OUTPUT CURRENT (A) 0.0001 0.001 0.01 0.1 1 10 0 10 20 30 40 50 60 70 80 90 100 0.1 1 10 100 1000 10000 3372 TA02b VIN = 12V VOUT = 3.3V ILOAD = 200mA to 8A 100µs/DIV ILOAD 5A/DIV VOUT AC–COUPLED 100mV/DIV 3372 TA02c |
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