LTC3613

RECOMMENDED FOR NEW DESIGNS

24V, 15A Monolithic Step Down Regulator with Differential Output Sensing

Part Models
4
1ku List Price
Starting From $11.55
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Part Details

  • Wide VIN Range: 4.5V to 24V; VOUT Range: 0.6V to 5.5V at up to 15A
  • 0.67% Output Voltage Accuracy
  • Controlled On-Time Valley Current Mode Architecture, Excellent Current Sharing Capability
  • Frequency Programmable from 200kHz to 1MHz and Synchronizable to External Clock
  • RSENSE or Inductor DCR Current Sensing With Accurate Current Limit
  • Fast Transient Response
  • Differential Output Voltage Sensing Allowing 500mV Common Mode Remote Ground
  • tON(MIN) = 65ns; tOFF(MIN) = 105ns
  • Overvoltage Protection and Current Limit Foldback
  • Power Good Output Voltage Monitor
  • Voltage Tracking Start-Up
  • External VCC Input for Bypassing Internal LDO
  • Micropower Shutdown: IQ = 15μA
  • 7mm × 9mm 56-pin QFN Package
LTC3613
24V, 15A Monolithic Step Down Regulator with Differential Output Sensing
High Efficiency High Power Step-Down Converter Efficiency and Power Loss  vs Load Current Product Package 1
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Documentation

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Hardware Ecosystem

Parts Product Life Cycle Description
Dual-Supply Monitors 1
LTC2960 RECOMMENDED FOR NEW DESIGNS 36V Nano-Current Two-Input Voltage Monitor
Internal Power Switch Buck Regulators 1
LTC7130 RECOMMENDED FOR NEW DESIGNS 20V 20A Monolithic Buck Converter with Ultralow DCR Sensing
Low Voltage Hot Swap Controllers 1
LTC4218 RECOMMENDED FOR NEW DESIGNS Hot Swap Controller
Silicon Oscillators 1
LTC6908 Resistor Set SOT-23 Oscillator with Spread Spectrum Modulation
Surge Stopper, Overvoltage, and Overcurrent Protection 1
LT4363 RECOMMENDED FOR NEW DESIGNS High Voltage Surge Stopper with Current Limit
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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
DC1700A

LTC3613EWKH Demo Board | VIN = 4.5V to 24V, VOUT = 1.5V @ 15A

Product Details

Demonstration circuit 1700A is a fast, high efficiency synchronous buck DC/DC converter with 4.5V to 24V input range. It can supply 15A maximum load current at 1.5V output. The demo board features the LTC3613EWKH regulator. No external MOSFETs are required.


The controlled on-time constant frequency valley current mode architecture allows for both fast transient response and constant frequency switching in steady-state operation.

DC1700A
LTC3613EWKH Demo Board | VIN = 4.5V to 24V, VOUT = 1.5V @ 15A
DC1700A - Schematic

Reference Designs

DK-DEV-5CGTD9N Dev Kit
Altera Cyclone V GT FPGA Development Kit Circuits from the lab

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
DC934A Demo Board for DK-DEV-5CSXC6N
Altera Cyclone V SoC Development Kit and SoC Embedded Design Suite Circuits from the lab

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
Altera Cyclone V GT FPGA Development Kit
DK-DEV-5CGTD9N Dev Kit
DK-DEV-5CGTD9N Block Diagram
DK-DEV-5CGTD9N Power Tree
DK-DEV-5CGTD9N Power Tree No TI DDR Regulator
Altera Cyclone V SoC Development Kit and SoC Embedded Design Suite
DC934A Demo Board for DK-DEV-5CSXC6N
DK-DEV-5CSXC6N Dev Kit
DK-DEV-5CSXC6N Block Diagram
DK-DEV-5CSXC6N Power Tree
DK-DEV-5CSXC6N LTC Power Tree

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