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LTC3890-1 数据表(PDF) 38 Page - Linear Technology |
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LTC3890-1 数据表(HTML) 38 Page - Linear Technology |
38 / 38 page LTC3784 38 3784fb For more information www.linear.com/LTC3784 LINEAR TECHNOLOGY CORPORATION 2014 LT 0715 REV B • PRINTED IN USA LinearTechnology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408)432-1900 ● FAX: (408) 434-0507 ● www.linear.com/3784 relaTeD parTs Typical applicaTion PART NUMBER DESCRIPTION COMMENTS LTC3788/LTC3788-1 Multiphase, Dual Output Synchronous Step-Up Controller 4.5V (Down to 2.5V After Start-Up) ≤ VIN ≤ 38V, VOUT Up to 60V, 50kHz to 900kHz Fixed Operating Frequency, 5mm × 5mm QFN-32, SSOP-28 LTC3787 2-Phase Single Output Synchronous Boost Controller 4.5V ≤ VIN ≤ 38V, VOUT Up to 60V, 50kHz to 900kHz, 4mm × 5mm QFN-28 and SSOP-28 Packages LTC3786 Low IQ Synchronous Step-Up Controller 4.5V (Down to 2.5V After Start-Up) ≤ VIN ≤ 38V, VOUT Up to 60V, 50kHz to 900kHz Fixed Operating Frequency, 3mm × 3mm QFN-32, MSOP-16E LTC3862/LTC3862-1/ LTC3862-2 Multiphase, Dual Channel Single Output Current Mode Step-Up DC/DC Controller 4V ≤ VIN ≤ 36V, 5V or 10V Gate Drive, 75kHz to 500kHz Fixed Operating Frequency, SSOP-24, TSSOP-24, 5mm × 5mm QFN-24 LT3757/LT3758 Boost, Flyback, SEPIC and Inverting Controller 2.9V ≤ VIN ≤ 40V/100V, 100kHz to 1MHz Fixed Operating Frequency, 3mm × 3mm DFN-10 and MSOP-10E LTC3859AL Low IQ, Triple Output Buck/Buck/Boost Synchronous DC/DC Controller All Outputs Remain in Regulation Through Cold Crank, 4.5V (Down to 2.5V After Start-Up) ≤ VIN ≤ 38V, VOUT(BUCKS) Up to 24V, VOUT(BOOST) Up to 60V, IQ = 28µA LTC3789 High Efficiency Synchronous 4-Switch Buck-Boost DC/DC Controller 4V ≤ VIN ≤ 38V, 0.8V ≤ VOUT ≤ 38V, 4mm × 5mm QFN-28 and SSOP-28 LT8705 80V VIN and VOUT Synchronous 4-Switch Buck-Boost DC/DC Controller VIN Range: 2.8V (Need EXTVCC > 6.4V) to 80V, VOUT Range: 1.3V to 80V, Four Regulation Loops LTC3890/LTC3890-1/ LTC3890-2/LTC3890-3 60V, Low IQ, Dual 2-Phase Synchronous Step-Down DC/DC Controller Phase-Lockable Fixed Frequency 50kHz to 900kHz, 4V ≤ VIN ≤ 60V, 0.8V ≤ VOUT ≤ 24V, IQ = 50μA Figure 16. PolyPhase Application TG1 BG1 0° I1 I1 I2 I3 I4 BOOST: 24V, 5A REFER TO FIGURE 15 FOR APPLICATION CIRCUITS * RIPPLE CURRENT CANCELLATION INCREASES THE RIPPLE FREQUENCY AND REDUCES THE RMS INPUT/OUTPUT RIPPLE CURRENT, THUS SAVING INPUT/OUTPUT CAPACITORS 3784 F16 PHASMD LTC3784 CLKOUT CIN 12V 24V, 20A TG2 BG2 180° I2 BOOST: 24V, 5A TG1 BG1 90° 90,270 +90° I3 BOOST: 24V, 5A PHASMD LTC3784 PLLIN/MODE TG2 BG2 270° I4 BOOST: 24V, 5A COUT ICOUT IIN I*IN I*COUT |
类似零件编号 - LTC3890-1 |
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类似说明 - LTC3890-1 |
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