LTM8024

RECOMMENDED FOR NEW DESIGNS

40VIN, Dual 3.5A or Single 7A Silent Switcher μModule Regulator

Data Sheet (Rev. A) Product Selection Table
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Overview

  • Two Complete Step-Down Switching Power Supplies
  • Low Noise Silent Switcher® Architecture
  • CISPR22 Class B Compliant
  • Wide Input Voltage Range: 3V to 40V
  • Wide Output Voltage Range: 0.8V to 8V
  • 3.5A Continuous Output Current Per Channel at 12VIN, 3.3VOUT, TA = 80°C
  • Multiphase Parallel Operation to Increase Current
  • Selectable Switching Frequency: 200kHz to 3MHz
  • Compact Package (9mm × 11.25mm × 3.32mm) Surface Mount BGA
LTM8024

40VIN, Dual 3.5A or Single 7A Silent Switcher μModule Regulator

LTM8024 Application Circuit LTM8024 Performance Graph LTM8024 Pin Configuration
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Documentation

Data Sheet 1

User Guide 1

Technical Articles 2

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Software Resources

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Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

  • LTM8024
LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Evaluation Kits

eval board
schematic 1
DC1868A

LTM8024 Demo Board | 40V, Dual 3A Step-Down μModule Regulator

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Product Details

Demonstration circuit 1868A is a dual step-down DC/DC switching converter featuring the LTM8024 μModule regulator. The demo board is designed to deliver dual 5V/3A and 3.3V/3A outputs from a 7V to 40V input. The Silent Switcher® architecture minimizes EMI while achieving high efficiency at frequencies up to 3MHz. The modes of operation (Burst Mode or Discontinuous Mode/SYNC) are jumper selectable. Burst Mode operation improves efficiency at light loads.

The LTM8024 is a fixed frequency PWM regulator with current mode control scheme. The switching frequency is set by an appropriate resistor (R11) from the RT pin to ground. The RUN pins (EN1/EN2 terminals) can be used to set the LTM8024 in micro power shutdown mode. The power good output of each channel (PG1 or PG2 terminal) will be low when that channel’s output voltage is outside of the ±7.5% regulation window.

The LTM8024 data sheet gives a complete description of the operation and application information. The data sheet must be read in conjunction with this demo manual.

eval board
schematic 2
schematic 3
schematic 4
schematic 5
AD-JUPITER-EBZ

Software-Defined Radio

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Features and Benefits

  • RF/SDR
    • ADRV9002 transceiver
    • 2 x receiver, 2 x transmitter
    • LO frequency range 30 MHz to 6 GHz
    • 12 kHz to 40 MHz frequency bandwidth
    • Sampling rate 12 kSPS to 61.44 MSPS
  • External Device Clock Input
  • External MCS Input
  • RF Front-end
  • Processing System
    • Zynq UltraScale+ MPSoC XCZU3EG
      • ARM Cortex-A53 1.5 GHz
      • ARM Cortex-R5 500 MHz
      • Mali-400 MP2 graphic processor
      • Programmable logic 154 k
    • DDR4 – 2 GB (x32)
    • Boot source
      • SD card 3.0
      • Flash memory 128 MB
    • User Interfaces
      • USB 3.1 Gen 1 – Type C
        • Upstream Facing Port (UFP)
        • Downstream Facing Port (DFP)
        • USB 2.0 compatible
    • Ethernet 1000BASE-T RGMII
    • Display Port v1.2 (2 lanes, 5.4 Gbps)
    • SATA 3
    • USB (micro) debug interface
    • 16 GPIOs (3V3 LVCMOS)
  • Power Sources
    • USB Type-C (power only)
      • Power Sink 5V, 9V/3A
    • USB Type-C (data)
      • Power Sink 5V/3A
      • Power Source 5V/0.9 A
    • 802.3at POE compliant, 25.5 W Type2 (POE+)

Product Details

The AD-JUPITER-EBZ is a versatile software-defined platform based on Analog Devices ADRV9002 and Xilinx Zynq UltraScale+ MPSoC. The ADRV9002 is a new generation RF transceiver that has dual-channel transmitters, dual-channel receivers covering a frequency range of 30 MHz to 6 GHz. This device has a high-quality RF linearity performance and a set of advanced features like fast profiles switching, flexible power vs. performance configuration, fast frequency hopping, multi-chip synchronization, and digital pre-distortion (DPD) for narrow and wide band waveform.

The evaluation platform includes XCZU3EG processing device that has a wide range of interfaces, making the system capable of local processing or streaming to a remote host. It comes integrated in a self-contained ruggedized aluminum case, which gives flexibility in evaluating and prototyping across different environments.

APPLICATIONS

  • Aerospace and Defense
  • Communications
  • Advanced Education
DC1868A
LTM8024 Demo Board | 40V, Dual 3A Step-Down μModule Regulator
DC1868A Image
AD-JUPITER-EBZ
Software-Defined Radio
AD-JUPITER-EBZ Board Photo Angle View AD-JUPITER-EBZ Board Photo Top View AD-JUPITER-EBZ Board Photo Back View AD-JUPITER-EBZ Block Diagram

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