LT8337
LT8337-1

RECOMMENDED FOR NEW DESIGNS

28V, 5A Low IQ Synchronous Step-Up Silent Switcher with PassThru

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Part Details

  • Silent Switcher® Architecture
  • Ultralow EMI Emissions
  • Optional Spread Spectrum Frequency Modulation
  • Integrated 28V, 5A Power Switches
  • Wide Input Voltage Range: 2.7V to 28V
  • Output Voltage Programmable Up to 26V
  • Low VIN Pin Quiescent Current
  • 0.3μA in Shutdown
  • 4μA in Burst Mode® Operation (LT8337)
  • 15μA in PassThru (LT8337)
  • 100% Duty Cycle Capability for Synchronous MOSFET
  • External Compensation: Fast Transient Response (LT8337-1)
  • Power Good Monitor (LT8337)
  • Adjustable and Synchronizable: 300kHz to 3MHz
  • Pulse-Skipping or Burst Mode Operation at Light Load
  • Small 16-Lead (3mm × 3mm) LQFN Package
LT8337
LT8337-1
28V, 5A Low IQ Synchronous Step-Up Silent Switcher with PassThru
LT8337/LT8337-1 Application Circuit LT8337/LT8337-1 Pin Configuration LT8337 Pin Configuration LT8337-1 Pin Configuration
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Tools & Simulations

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.

LTpowerCAD

LTpowerCAD® is a power supply design program which selects power stage components, provides detailed power efficiency, shows quick loop Bode plot stability and load transient analysis, and can export to LTspice for simulation.


Evaluation Kits

eval board
EVAL-LT8337-AZ

LT8337 |  28V, 5A Low IQ Synchronous Step-Up Silent Switcher with PassThru

Product Details

Evaluation circuit EVAL-LT8337-AZ features the LT8337 as a 2MHz low IQ, synchronous boost converter with a 12V output from 4.5V to 12V input. When VIN goes above the 12V output regulation setpoint, the LT8337 smoothly transitions between regulation and PassThru™ mode. This evaluation circuit features Spread Spectrum Frequency Modulation (SSFM), Silent Switcher® technology, and EMI filters to provide optimum EMI performance. The converter can output 1.2A or more depending on input voltage (see Figure 3 for the Maximum Output Current vs VIN curve). When placed in shutdown, the converter has very low quiescent current, ideal in automotive and other battery-powered applications. PULSE SKIP and BURST modes are selectable with jumper JP1. Each user-selectable option enables low quiescent current at light load and can also be combined with SSFM operation using JP1.

The LT8337 boost converter IC operates over an input range of 2.7V to 28V, suitable for automotive, telecom and industrial applications. It exhibits a low quiescent current of 4μA, making it ideal for battery-operated systems. The converter provides adjustable and synchronizable operation from 300kHz to 3MHz with SSFM option. At light load, either PULSE SKIP or low-ripple BURST mode can be selected to improve the efficiency. The LT8337 packs popular features such as soft-start, input undervoltage lockout, adjustable switching frequency and clock synchronization. The Power Good (PG) flag indicates when the output voltage is in regulation.

The LT8337 comes in a small 16-lead plastic LQFN package for optimal size and emissions. The LT8337 data sheet gives a complete description of the part, pins, features, operation, and application information. The data sheet must be read in conjunction with the demo manual for EVAL-LT8337-AZ.

eval board
EVAL-LT8337-1-AZ

LT8337-1 | 28V, 5A Low IQ Synchronous Step-Up Silent Switcher with PassThru and VC Pin

Product Details

Evaluation circuit EVAL-LT8337-1-AZ features the LT8337-1 as a 2MHz low IQ, synchronous boost converter with a 12V output from 4.5V to 12V input. When VIN goes above the 12V output regulation setpoint, the LT8337-1 smoothly transitions between regulation and PassThru mode. This evaluation circuit features Spread Spectrum Frequency Modulation (SSFM), Silent Switcher® technology, and EMI filters to provide optimum EMI performance. The converter can output 1.2A or more depending on input voltage (see Figure 3 in the user guide for the Maximum Output Current vs VIN curve). When placed in shutdown, the converter has very low quiescent current, ideal in automotive and other battery-powered applications. PULSE SKIP and BURST modes are selectable with jumper JP1. Each user-selectable option enables low quiescent current at light load and can also be combined with SSFM operation using JP1.

The LT8337-1 boost converter IC operates over an input range of 2.7V to 28V, suitable for automotive, telecom and industrial applications. It exhibits a low quiescent current of 23μA, making it ideal for battery-operated systems. The converter provides adjustable and synchronizable operation from 300kHz to 3MHz with SSFM option. At light load, either PULSE SKIP or low-ripple BURST mode can be selected to improve the efficiency. The LT8337-1 packs popular features such as soft-start, input undervoltage lockout, adjustable switching frequency and clock synchronization. The VC pin grants easy accessibility to change loop compensation to complement most applications.

The LT8337-1 comes in a small 16-lead plastic LQFN package for optimal size and emissions. The LT8337-1 data sheet gives a complete description of the part, pins, features, operation, and application information. The data sheet must be read in conjunction with this demo manual for EVAL-LT8337-1-AZ.

eval board
AD-GMSL716MIPI-EVK

GMSL2-to-MIPI Deserializer Board for SoC Camera Systems

Features and Benefits

  • 2 × MIPI CSI-2 22P (4 × lanes) ribbon cable connectors
  • 2 × GMSL2 input connectors
  • Power over Coax implementation, 12V, 1.2A total output
  • Input power selection between USB-C 5V or 6-pin connector
  • Compatible with NVIDIA Jetson, Raspberry Pi, and AMD SoC platforms
  • Mounting holes for secure attachment as a shield to Raspberry Pi
  • Small form-factor design for space-constrained applications

Product Details

The AD-GMSL716MIPI-EVK is a compact, cost-effective GMSL2 deserializer evaluation board that bridges GMSL2 serialized video signals to MIPI CSI-2 interfaces for system-on-chip (SoC) platforms. Featuring the MAX96716A dual GMSL2 to CSI-2 deserializer, this board provides a robust solution for automotive and industrial vision applications.

The board addresses the market need for affordable GMSL camera solutions covering multiple sensor types. It implements Power over Coax functionality, allowing both data transmission and power delivery through a single coaxial cable, significantly simplifying system integration and cable management. The evaluation board includes comprehensive reference software with device tree and Linux images for all supported camera types.

Key technical capabilities include support for up to 15-meter cable lengths, 3Gbps or 6Gbps forward link rates, and bidirectional I2C communication for camera control. The board's small form factor and mounting compatibility make it ideal for rapid prototyping and development of GMSL2 camera systems.

APPLICATIONS

  • Advanced Driver Assistance Systems (ADAS)
  • Mobile and mounted robotics
  • Autonomous vehicles and automotive cameras
  • Outdoor machines and industrial equipment
  • Smart and flexible manufacturing systems
  • Security and surveillance systems
  • Industrial automation and machine vision

EVAL-LT8337-AZ
LT8337 |  28V, 5A Low IQ Synchronous Step-Up Silent Switcher with PassThru
EVAL-LT8337-AZ Evaluation Board EVAL-LT8337-AZ Evaluation Board - Top View EVAL-LT8337-AZ Evaluation Board - Bottom View
EVAL-LT8337-1-AZ
LT8337-1 | 28V, 5A Low IQ Synchronous Step-Up Silent Switcher with PassThru and VC Pin
EVAL-LT8337-1-AZ Application Circuit EVAL-LT8337-1-AZ Evaluation Board  EVAL-LT8337-1-AZ Evaluation Board - Top View EVAL-LT8337-1-AZ Evaluation Board - Bottom View
AD-GMSL716MIPI-EVK
GMSL2-to-MIPI Deserializer Board for SoC Camera Systems
AD-GMSL716MIPI-EVK Board Photo Angle View AD-GMSL716MIPI-EVK Board Photo Top View AD-GMSL716MIPI-EVK Board Photo Bottom View AD-GMSL717MIPI-EVK Block Diagram

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