IC reference design search
IC manufacturers Analog Devices

IC manufacturers (104)

reference designLTC3855EFE | Demoboard DC1617A-A

Analog Devices LTC3855EFE | Demoboard DC1617A-A

LTC3855EFE Dual Output Synchronous Buck Converter

Overview

TopologyBuck Converter
Input voltage4.5-26 V
Output 12.5 V / 15 A
Output 21.8 V / 15 A
IC revision2

Description

Demonstration circuit DC1617A is a dual output synchronous buck converter featuring the LTC®3855EFE in a high density, two sided drop-in layout with power components on the top and the control circuit on the bottom. The package style for the LTC3855EFE is a 38-lead TSSOP.The board comes in two assembly types. The –A assembly provides 2.5V/15A and 1.8V/15A from a 4.5V to 26V input.DCR inductor sensing is used to provide the highest efficiency.The current limit is NTC compensated to provide the minimal amount of variation over temperature. The –B assembly is a high power, 12V/6A and 5V/10A converterwith a 13V to 36V input. A sense resistor is used to provide a precise current limit.

Features

  • Remote sensing for VOUT2 on the –A assembly. On the
  • –B assembly, the diffamp is bypassed since VOUT2 is >3.3V.
  • Optional resistors for single output dual phase operation.
  • PLLIN pin for synchronization to an external clock which can be used in conjunction with PHASMD pin and CLKOUT pin for up to 12-phase operation.
  • Selectable light load operating modes of pulse skip,Burst Mode® operation or FCM.
  • TRACK/SS pins for external rail tracking.
  • RUN pins and PGOOD pins for each phase.

More information

Products

Log in now to view availability and request availability forecasts. LOGIN
Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC(mΩ)
fres(MHz)
Material
Qty.
SamplesAvailability & Sample
Log in now to view availability and request availability forecasts. LOGIN
744355090
SPECWE-HCI SMT Flat Wire High Current Inductor, 0.9 µH, 36 A
Simu­lation
Availability
–
Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
Inductance0.9 µH
Performance Rated Current36 A
Saturation Current @ 10%11 A
Saturation Current @ 30%28 A
DC Resistance1.6 mΩ
Self Resonant Frequency72 MHz
MaterialWE-PERM 
Packaging Unit400 
–Check availability