LTC3115-1

RECOMMENDED FOR NEW DESIGNS

40V, 2A Synchronous Buck-Boost DC/DC Converter

Data Sheet (Rev. E) Product Selection Table
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Overview

  • Wide VIN Range: 2.7V to 40V
  • Wide VOUT Range: 2.7V to 40V
  • 1A Output Current for VIN ≥ 3.6V, VOUT = 5V
  • 2A Output Current in Step-Down Operation for VIN ≥ 6V
  • Programmable Frequency: 100kHz to 2MHz
  • Synchronizable Up to 2MHz with an External Clock
  • Up to 95% Efficiency
  • 30µA No-Load Quiescent Current in Burst Mode® Operation
  • Ultralow Noise Buck-Boost PWM
  • Internal Soft-Start
  • 3µA Supply Current in Shutdown
  • Programmable Input Undervoltage Lockout
  • Small 4mm × 5mm × 0.75mm DFN Package
  • Thermally Enhanced 20-Lead TSSOP Package
  • AEC-Q100 Qualified for Automotive Applications
LTC3115-1
40V, 2A Synchronous Buck-Boost DC/DC Converter
LTC3115-1 Application Circuit LTC3115-1 Performance Graph Product Package 1 Product Package 2
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Documentation

Data Sheet 1

User Guide 1

Technical Articles 2

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Software Resources

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Hardware Ecosystem

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Oscillators 1
LTC6908
Resistor Set SOT-23 Oscillator with Spread Spectrum Modulation
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Tools & Simulations

LTspice 3

Models for the following parts are available in LTspice:

  • LTC3115-1
  • LTC3115-2
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
schematic 2
schematic 3
schematic 4
AD-JUPITER-EBZ

Software-Defined Radio

Buy Now View Details

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

eval board
schematic 5
schematic 6
schematic 7
schematic 8
AD-JUPITER-EBZ

Software-Defined Radio

Buy Now View Details

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

eval board
schematic 9
schematic 10
DC1687B

LTC3115-1 Demo Board | 40V, 2A Synchronous Buck-Boost DC/DC Converter

Buy Now View Details

Product Details

Demonstration circuit 1687B features the LTC3115-1, a high voltage monolithic synchronous buck-boost converter.

The DC1687B demo board has two user-selectable operating modes: Burst Mode® operation and forced continuous operation (fixed frequency PWM) (JP1). There is also an accurate programmable RUN pin which is used to enable the converter (JP2).

The DC1687B operates with a 2.7V to 40V input voltage range. The demo board has been designed with the output voltage set to 5V. The LTC3115-1 incorporates a proprietary low noise switching algorithm which optimizes efficiency with input voltages above, below or equal to the output voltage and ensures seamless transitions between operating modes.

The demo board has been programmed to operate at 1MHz in PWM mode to optimize small size with high efficiency operation.

The demo board also has optional provisions to back feed VCC in order to increase efficiency in some 5V output applications. There is also a provision for an optional Schottky diode from SW2 to VOUT for applications where VOUT is greater than 20V and short circuit protection is desired. Consult the data sheet for more information on these options.

The LTC3115-1 data sheet has detailed information about the operation, specifications, and applications of the part. The data sheet should be read in conjunction with this quick start guide.

eval board
schematic 11
schematic 12
DC1687B

LTC3115-1 Demo Board | 40V, 2A Synchronous Buck-Boost DC/DC Converter

Buy Now View Details

Product Details

Demonstration circuit 1687B features the LTC3115-1, a high voltage monolithic synchronous buck-boost converter.

The DC1687B demo board has two user-selectable operating modes: Burst Mode® operation and forced continuous operation (fixed frequency PWM) (JP1). There is also an accurate programmable RUN pin which is used to enable the converter (JP2).

The DC1687B operates with a 2.7V to 40V input voltage range. The demo board has been designed with the output voltage set to 5V. The LTC3115-1 incorporates a proprietary low noise switching algorithm which optimizes efficiency with input voltages above, below or equal to the output voltage and ensures seamless transitions between operating modes.

The demo board has been programmed to operate at 1MHz in PWM mode to optimize small size with high efficiency operation.

The demo board also has optional provisions to back feed VCC in order to increase efficiency in some 5V output applications. There is also a provision for an optional Schottky diode from SW2 to VOUT for applications where VOUT is greater than 20V and short circuit protection is desired. Consult the data sheet for more information on these options.

The LTC3115-1 data sheet has detailed information about the operation, specifications, and applications of the part. The data sheet should be read in conjunction with this quick start guide.
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
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
DC1687B
LTC3115-1 Demo Board | 40V, 2A Synchronous Buck-Boost DC/DC Converter
DC1687B Application Circuit DC1687B Performance Graph
DC1687B
LTC3115-1 Demo Board | 40V, 2A Synchronous Buck-Boost DC/DC Converter
DC1687B Application Circuit DC1687B Performance Graph

Reference Designs

Stratix V Advanced System Development Board
Stratix V Advanced System Development Board
Stratix V Advanced System Development Board Block Diagram
Stratix V Advanced Systems Development Board Power Tree
Stratix V Advanced System Development Board Circuits from the lab

View Detailed Reference Design

Features and Benefits

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
Stratix V Advanced System Development Board
Stratix V Advanced System Development Board
Stratix V Advanced System Development Board Block Diagram
Stratix V Advanced Systems Development Board Power Tree

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