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Overview
| Topology | Boost Converter |
| Input voltage | 10-36 V |
| Output 1 | 48 V / 1 A |
Description
Demo circuit 2628A features the LT®8362 in boost configuration.The converter is designed to convert a 10V to 36Vsource to 48V at 280mA to 1000mA, depending on inputvoltage, and with a switching frequency of 2MHz. Pleaserefer to Figure 4 for load current versus input voltage.The demo board contains a selectable jumper, JP1, whichmakes it easy to select any desired “Sync” mode of operation.The default setting is “Burst”.The LT8362 can operate with inputs as high as 60V, howeverin this demo circuit, the input is limited by the levelof the output voltage.This layout is optimized for good “EMI” performance andsolution size. Input and output filters and a “Hot Loop”, comprised of C11 and C12 are necessary to pass CISPR25Class 5 emissions, and are added by default. These componentscan be excluded in applications not requiringnoise immunity. Radiated emissions plots are includedin this manual.The data sheet gives a complete description of the device,operation and application information. The data sheetmust be read in conjunction with this demo manual forDC2628A.
Features
PJ17US002901
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | fres(MHz) | Z @ 100 MHz(Ω) | Zmax(Ω) | Test Condition Zmax | IR 2(mA) | RDC max.(mΩ) | Type | Pins | Mount | L(mm) | H(mm) | IR(mA) | Working Voltage(V (AC)) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-LHMI SMT Power Inductor, 6.8 µH, 2.35 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LHMI SMT Power Inductor | Inductance6.8 µH | Performance Rated Current2.35 A | Saturation Current @ 10%2.4 A | Saturation Current @ 30%4.75 A | Self Resonant Frequency29 MHz | – | – | – | – | DC Resistance172 mΩ | – | Pins2 | MountSMT | Length4.45 mm | Height1.8 mm | – | – | Operating Temperature -40 °C up to +125 °C | ||||
 | WE-CBF SMT EMI Suppression Ferrite Bead, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CBF SMT EMI Suppression Ferrite Bead | – | – | – | – | – | Impedance @ 100 MHz600 Ω | Maximum Impedance700 Ω | Maximum Impedance150 MHz | Rated Current 22000 mA | DC Resistance150 mΩ | TypeHigh Current | – | MountSMT | Length2 mm | Height0.0009 mm | Rated Current1500 mA | – | Operating Temperature -55 °C up to +125 °C | ||||
 | WR-PHD Jumper, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Jumper | – | – | – | – | – | – | – | – | – | – | – | Pins2 | – | – | – | Rated Current3000 mA | Working Voltage200 V (AC) | Operating Temperature -25 °C up to +105 °C |