LT8336
Info : RECOMMENDED FOR NEW DESIGNS
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LT8336

40V, 2.5A, Low IQ Synchronous Step-Up Silent Switcher with PassThru

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Info : RECOMMENDED FOR NEW DESIGNS tooltip
Info : RECOMMENDED FOR NEW DESIGNS tooltip
Part Details
Part Models 6
1ku List Price Starting From $3.02
Features
  • Silent Switcher® Architecture
    • Ultralow EMI Emissions
    • Optional Spread Spectrum Frequency Modulation
  • Integrated 40V, 2.5A Power Switches
  • Wide Input/Output Voltage Range: 2.7V to 40V
  • Low VIN Pin Quiescent Current:
    • 0.3μA in Shutdown
    • 4μA in Burst Mode® Operation
    • 15μA in PassThru Operation
  • 100% Duty Cycle Capability for Synchronous MOSFET
  • Adjustable and Synchronizable: 300kHz to 3MHz
  • Pulse-Skipping or Burst Mode Operation at Light Load
  • Output Soft-Start and Power Good Monitor
  • Internal Compensation
  • Accurate 1V Enable Pin Threshold
  • Small 16-Lead (3mm × 3mm) LQFN Package
  • AEC-Q100 Qualified for Automotive Applications
Additional Details
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The LT8336 is a low IQ, synchronous step-up DC/DC converter. It features Silent Switcher architecture and optional spread spectrum frequency modulation to minimize EMI emissions while delivering high efficiencies at high switching frequencies.

The wide input/output voltage range, low VIN pin quiescent current in Burst Mode operation, and 100% duty cycle capability for the synchronous MOSFET in PassThru operation (VIN ≥ VOUT), make the LT8336 ideally suited for general purpose step-up and automotive preboost applications.

The LT8336 integrates 40V, 2.5A power switches, operating at a fixed switching frequency programmable between 300kHz and 3MHz and synchronizable to an external clock. Pulse-skipping or Burst Mode operation can be selected, with or without spread-spectrum frequency modulation, to optimize efficiency and EMI performance.

The LT8336 features output soft-start, an output power good flag and output overvoltage lockout.

APPLICATIONS

  • Automotive and Industrial Power Supplies
  • General Purpose Step-Up
Part Models 6
1ku List Price Starting From $3.02

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Documentation

Documentation

Video

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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Software and Part Ecosystem

Software and Part Ecosystem

Evaluation Kit

Evaluation Kits 1

reference details image

DC2505A

Low IQ Synchronous Boost Silent Switcher with 2.5A, 40V Switch

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DC2505A

Low IQ Synchronous Boost Silent Switcher with 2.5A, 40V Switch

Low IQ Synchronous Boost Silent Switcher with 2.5A, 40V Switch

Product Detail

Demonstration circuit 2505A is a low IQ, Silent Switcher® synchronous boost converter featuring the LT8336. DC2505A is designed to convert an 8V to 20V source to 24V output, with up to 1.5A load current, depending on the input voltage. DC2505A operates at 2MHz switching frequency.

The DC2505A contains a selectable jumper, JP1, to aid in the selection of the desired SYNC pin mode of operation. The default setting is pulse-skipping mode of operation.

The DC2505A has an EMI filter installed. The EMI filter can be included by connecting the source to the VEMI terminal and the output to the VOUT2 terminal.

The Performance Summary section details the ratings of the DC2505A at room temperature.

The LT8336 data sheet gives a complete description of the part, operation and application information. The data sheet must be read in conjunction with this quick start guide for DC2505A.

Tools & Simulations

Tools & Simulations 2

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.

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