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LTC3828 Datasheet(PDF) 32 Page - Linear Technology |
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LTC3828 Datasheet(HTML) 32 Page - Linear Technology |
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32 / 32 page  32 LTC3828 3828f PART NUMBER DESCRIPTION COMMENTS LTC1628/LTC1628-PG/ 2-Phase, Dual Output Synchronous Step-Down Reduces CIN and COUT, Power Good Output Signal, Synchronizable, LTC1628-SYNC DC/DC Controller 3.5V ≤ VIN ≤ 36V, IOUT up to 20A, 0.8V ≤ VOUT ≤ 5V LTC1629/ 20A to 200A PolyPhase TM Synchronous Controllers Expandable from 2-Phase to 12-Phase, Uses All LTC1629-PG Surface Mount Components, No Heat Sink, VIN up to 36V LTC1702A No RSENSE 2-Phase Dual Synchronous Step-Down 550kHz, No Sense Resistor Controller LTC1708-PG 2-Phase, Dual Synchronous Controller with Mobile VID 3.5V ≤ VIN ≤ 36V, VID Sets VOUT1, PGOOD LT1709/ High Efficiency, 2-Phase Synchronous Step-Down 1.3V ≤ VOUT ≤ 3.5V, Current Mode Ensures LT1709-8 Switching Regulators with 5-Bit VID Accurate Current Sharing, 3.5V ≤ VIN ≤ 36V LTC1735 High Efficiency Synchronous Step-Down Output Fault Protection, 16-Pin SSOP Switching Regulator LTC1778/LTC1778-1 No RSENSE Current Mode Synchronous Step-Down Up to 97% Efficiency, 4V ≤ VIN ≤ 36V, 0.8V ≤ VOUT ≤ (0.9)(VIN), Controllers IOUT up to 20A LTC1929/ 2-Phase Synchronous Controllers Up to 42A, Uses All Surface Mount Components, LTC1929-PG No Heat Sinks, 3.5V ≤ VIN ≤ 36V LTC3708 Dual, 2-Phase, DC/DC Controller with Output Tracking Current Mode, No RSENSE, Up/Down Tracking, Synchronizable LTC3711 No RSENSE Current Mode Synchronous Step-Down Up to 97% Efficiency, Ideal for Pentium ® III Processors, Controller with Digital 5-Bit Interface 0.925V ≤ VOUT ≤ 2V, 4V ≤ VIN ≤ 36V, IOUT up to 20A LTC3728 Dual, 550kHz, 2-Phase Synchronous Step-Down Dual 180 ° Phased Controllers, VIN 3.5V to 35V, 99% Duty Cycle, Controller 5x5QFN, SSOP-28 LTC3729 20A to 200A, 550kHz PolyPhase Synchronous Controller Expandable from 2-Phase to 12-Phase, Uses all Surface Mount Components, VIN up to 36V LTC3731 3- to 12-Phase Step-Down Synchronous Controller 60A to 240A Output Current, 0.6V ≤ VOUT ≤ 6V, 4.5V ≤ VIN ≤ 32V LTC3770 Fast, No RSENSE Step-Down Synchronous Controller ± 0.67% 0.6V Reference Voltage; Programmable Margining; True with Margining, Tracking, PLL Current Mode; 4V ≤ VIN ≤ 32V No RSENSE and PolyPhase are trademarks of Linear Technology Corporation. Pentium is a registered trademark of Intel Corporation. RELATED PARTS TYPICAL APPLICATIO Figure 16. Multioutput PolyPhase Application Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com ©LINEAR TECHNOLOGY CORPORATION 2005 LT/TP 0405 500 • PRINTED IN USA PHASMD CLKOUT TG1 TG2 0 ° I1 I3 I2 I4 90 ° OPEN 180 ° U1 LTC3729 BUCK: 2.5V/15A BUCK: 2.5V/15A PLLIN TG1 TG2 90 ° 90 ° 270 ° U2 LTC3828 BUCK: 1.5V/15A 2.5VO/30A CIN IIN 12VIN *INPUT RIPPLE CURRENT CANCELLATION INCREASES THE RIPPLE FREQUENCY AND REDUCES THE RMS INPUT RIPPLE CURRENT THUS, SAVING INPUT CAPACITORS IIN* 1.5VO/15A 1.8VO/15A 3828 F16 BUCK: 1.8V/15A I1 I2 I3 I4 |
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