Datasheet LTC7800 (Analog Devices) - 28

LTC7800
APPLICATIONS INFORMATION
VIN 4V TO 28V* CINA INB LTC7800 2.2µF C 56µF ×3 VIN INTVCC PLLIN/MODE 2.2µF RUN PGND ILIM D1 100k INTVCC PGOOD TG MTOP 0.1µF EXTVCC BOOST L1 100k R 0.33µH SENSE FREQ 4mΩ VOUT 820pF SW 3.3V C 2.49k OUT 10A* 33µF ITH BG MBOT 82pF ×2 RFLT 10Ω 0.1µF SENSE+ 357k TRACK/SS 1nF 10pF SGND SENSE– VFB SGND 115k MTOP: INFINEON BSZ0506NS MBOT: INFINEON BSZ0503NSI 7800 F11 L1: COILCRAFT XAL5030-331ME INA C : TDK C4532X7R2A225M INB C : SUN ELECT 63HVH56M *OUTPUT CURRENT CAPABILITY AT HIGH INPUT VOLTAGES COUT: TDK C4532X7R1C336M MAY BE LIMITED BY THE THERMAL CHARACTERISTICS OF D1: CENTRAL SEMI CMDSH-4E THE OVERALL SYSTEM AND PRINTED CIRCUIT BOARD DESIGN.
Figure 11. High Efficiency 3.3V 2.1MHz Step-Down Regulator
VIN 5.5V TO 38V* CINA 2.2µF CINB LTC7800 56µF ×3 VIN INTVCC PLLIN/MODE 2.2µF RUN PGND ILIM D1 100k INTVCC PGOOD TG MTOP 0.1µF VOUT EXTVCC L1 100k BOOST R 0.3µH SENSE FREQ 4mΩ VOUT 820pF SW 5.0V 4.99k COUT 10A* ITH BG MBOT 47µF 82pF ×2 RFLT 20Ω 0.1µF SENSE+ 604k TRACK/SS 1nF 10pF SGND SENSE– V SGND FB 115k MTOP/MBOT: INFINEON BSZ097N04LS L1: WURTH 744355230 7800 F12 INA C : TDK C4532X7R2A225M CINB: SUN ELECT 63HVH56M *OUTPUT CURRENT CAPABILITY AT HIGH INPUT VOLTAGES COUT: TDK C4532X5R1A476M MAY BE LIMITED BY THE THERMAL CHARACTERISTICS OF D1: CENTRAL SEMI CMDSH-4E THE OVERALL SYSTEM AND PRINTED CIRCUIT BOARD DESIGN.
Figure 12. High Efficiency 5V 2.1MHz Step-Down Regulator
7800f 28 For more information www.linear.com/LTC7800 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions FUNCTIONAL Diagram Operation Applications Information Typical Application Related Parts