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Analog Devices LTC3867EUF | Demoboard DC1928A
DC1928A - LTC3867EUF Demo Board | 18V ≤ Vin ≤ 36V; Vout = 12V @ 12A
Overview
| Topology | Buck Converter |
| Input voltage | 18-36 V |
| Output 1 | 12 V / 12 A |
| IC revision | 1 |
Description
Demonstration circuit 1928A is a single output synchronous buck converter featuring the LTC®3867EUF in a 24-lead 4mm x 4mm QFN package.The DC1928A is configured with a sense resistor. Inductor DCR sensing circuit is optional. Using the inductor’s DCR as the sense element instead of the onboard sense resistor saves cost, board space while improving efficiency. Using a sense resistor provides more accurate current limit.The board has a lot of features including an internal 5V linear regulator for bias, output voltage remote-sense, programmable nonlinear control to improve load transient performance, programmable thermal shutdown, an optional temperature compensated DCR sense circuit, and selectable continuous, pulse-skipping or Burst Mode® operation. Synchronization to an external clock is also possible.The input voltage range is from 18V to 36V. The LTC3867 data sheet gives a complete description of the part, operation and application information and must be read in conjunction with this demo manual for DC1928A.
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | fres(MHz) | Wire Type | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCF SMT High Current Inductor, 7 µH, 19.5 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCF SMT High Current Inductor | Inductance7 µH | Performance Rated Current19.5 A | Saturation Current @ 10%27 A | Saturation Current @ 30%30 A | DC Resistance6.17 mΩ | Self Resonant Frequency18 MHz | Wire TypeFlat |