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Analog Devices LTC7891 | Demoboard EVAL-LTC7891-BZ
High Frequency Step-Down Controller with 40V GaN FETs
Overview
| Topology | Buck Converter |
| Input voltage | 15-36 V |
| Switching frequency | 700-900 kHz |
Typical applications
- Military avionics
- medical systems
- Industrial power systems, Telecommunication Power systems
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(nH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | fres(MHz) | Wire Type | LR(nH) | RDC(mΩ) | Material | Pins | Mount | L(mm) | H(mm) | IR(A) | Working Voltage(V (AC)) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCM SMT High Current Flat Wire Inductor, 330 nH, 76.6 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCM SMT High Current Flat Wire Inductor | Inductance330 nH | Performance Rated Current76.6 A | Saturation Current @ 10%58 A | Saturation Current @ 30%65.7 A | – | Self Resonant Frequency28 MHz | – | Rated Inductance310 nH | DC Resistance0.165 mΩ | MaterialMnZn | Pins2 | MountSMT | Length14 mm | Height9 mm | Rated Current47.5 A | – | Operating Temperature -40 °C up to +125 °C | ||||
 | WE-HCF SMT High Current Inductor, 700 nH, 54.7 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCF SMT High Current Inductor | Inductance700 nH | Performance Rated Current54.7 A | Saturation Current @ 10%63 A | Saturation Current @ 30%75 A | DC Resistance0.91 mΩ | Self Resonant Frequency65 MHz | Wire TypeFlat | Rated Inductance700 nH | DC Resistance0.83 mΩ | MaterialMnZn | Pins2 | MountSMT | Length20.8 mm | Height13.5 mm | Rated Current32 A | – | Operating Temperature -40 °C up to +125 °C | ||||
 | WR-PHD Jumper, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Jumper | – | – | – | – | – | – | – | – | – | – | Pins2 | – | – | – | Rated Current3 A | Working Voltage200 V (AC) | Operating Temperature -25 °C up to +105 °C |