LTC3815

RECOMMENDED FOR NEW DESIGNS

6A Monolithic Synchronous DC/DC Step-Down Converter with Digital Power System Management

Part Models
4
1ku List Price
Starting From $5.62
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Part Details

  • 2.25V to 5.5V Input Voltage Range
  • ±1% Total Output Voltage Accuracy Over Temperature at VIN = 3.3V or 5V
  • Single Resistor-Programmable Output Voltage
  • PMBus Compliant Serial Interface:
    • Programmable Output Voltage Margining: Up to ±25% VOUT Range with 0.1% Resolution
    • Read back of Average and Peak Temperature, Current, and Voltage (25Hz Refresh Rate)
    • Fault Status
  • Phase-Lockable Fixed Frequency Up to 3MHz
  • Less Than 1ms Power-Up Time
  • Integrated 13-Bit ADC
  • Optional External Reference Input
  • Pin Selectable Fast-Margining of the Output Voltage
  • Power Good Flag with Pin Programmable Thresholds and Filter Delay
  • Differential Remote Output Voltage Sensing
  • Master Shutdown Mode: <1μA Supply Current
  • Clock Out for 2-Phase Operation (12A Output Current)
  • Available in a Thermally-Enhanced 38-Lead 4mm × 6mm QFN Package
LTC3815
6A Monolithic Synchronous DC/DC Step-Down Converter with Digital Power System Management
LTC3815 Application Circuit LTC3815 Performance Graph LTC3815 Pin Configuration
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Software Resources


Tools & Simulations

LTspice 1


Models for the following parts are available in LTspice:

  • LTC3815

LTpowerPlay®

LTpowerPlay® is a powerful, Windows-based development environment supporting Linear Technology's Digital Power System Management (PSM) products.

Open Tool
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
DC2065A

LTC3815EUFE Demo Board | PMBus Buck, 2.25V ≤ VIN ≤ 5.5V; VOUT Range: 0.4V to 0.72VIN @ 6A

Product Details

Demonstration circuit 2065A is a synchronous buck converter using the LTC3815EUFE, a 6A monolithic buck regulator with power system management. The LTC3815 has the PMBus compliant serial interface and features, such as programmable output voltage margining, temperature monitoring, current and voltage read back, and fault status, etc.

DC2065A
LTC3815EUFE Demo Board | PMBus Buck, 2.25V ≤ VIN ≤ 5.5V; VOUT Range: 0.4V to 0.72VIN @ 6A
DC2065A - Schematic

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