Datasheet LTC3835-1 (Analog Devices) - 28

ManufacturerAnalog Devices
DescriptionLow IQ Synchronous Step-Down Controller
Pages / Page28 / 28 — TYPICAL APPLICATION. Figure 10. High Effi ciency 3.3V, 5A Step-Down …
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TYPICAL APPLICATION. Figure 10. High Effi ciency 3.3V, 5A Step-Down Converter. RELATED PARTS. PART NUMBER. DESCRIPTION. COMMENTS

TYPICAL APPLICATION Figure 10 High Effi ciency 3.3V, 5A Step-Down Converter RELATED PARTS PART NUMBER DESCRIPTION COMMENTS

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LTC3835-1
TYPICAL APPLICATION
VIN PLLLPF VIN 4V TO 36V CIN 0.01μF RUN TG C 10μF B 0.22μF TRACK/SS L1 BOOST 3.3μH 0.012Ω VOUT ITH SW 3.3V 1200pF LTC3835-1 5A D 100pF B 10k CMDSH-3 COUT SGND INTV 150μF CC 68.1k PLLIN/MODE 4.7μF VFB BG SENSE– 215k SENSE+ PGND 39pF 38351 TA06 M1, M2: Si7848DD L1: CDEP 105-3R2M COUT: SANYO 10TPD150M
Figure 10. High Effi ciency 3.3V, 5A Step-Down Converter RELATED PARTS PART NUMBER DESCRIPTION COMMENTS
LTC1628/LTC1628-PG/ 2-Phase, Dual Output Synchronous Step-Down Reduces CIN and COUT , Power Good Output Signal, LTC1628-SYNC DC/DC Controller Synchronizable, 3.5V ≤ VIN ≤ 36V, IOUT Up to 20A, 0.8V ≤ VOUT ≤ 5V LTC1629/ 20A to 200A PolyPhase® Synchronous Controllers Expandable from 2-Phase to 12-Phase, Uses All LTC1629-PG Surface Mount Components, No Heat Sink, VIN Up to 36V LTC1708-PG 2-Phase, Dual Synchronous Controller with Mobile VID 3.5V ≤ VIN ≤ 36V, VID Sets VOUT1, PGOOD LT1709/ High Effi ciency, 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 Effi ciency Synchronous Step-Down Switching Regulator Output Fault Protection, 16-Pin SSOP LTC1736 High Effi ciency Synchronous Controller with 5-Bit Mobile Output Fault Protection, 24-Pin SSOP, VID Control 3.5V ≤ VIN ≤ 36V LTC1778/LTC1778-1 No RSENSE Current Mode Synchronous Step-Down Up to 97% Effi ciency, 4V ≤ VIN ≤ 36V, 0.8V ≤ VOUT ≤ (0.9)(VIN), Controllers IOUT Up to 20A 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% Effi ciency, 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 5 × 5 QFN Package, 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 LTC3827/ Low IQ Dual Synchronous Controllers 2-Phase Operation; 115μA Total No Load IQ, 4V ≤ VIN ≤ 36V LTC3827-1 80μA No Load IQ with One Channel On No RSENSE is a trademark of Linear Technology Corporation. PolyPhase is a registered trademark of Linear Technology Corporation. 38351fc 28 Linear Technology Corporation LT 0208 REV C • PRINTED IN USA 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com © LINEAR TECHNOLOGY CORPORATION 2006
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