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EPC LTC7891 | Demoboard EPC9195

EPC9195: High Power Density, Synchronous Buck Converter

Overview

TopologyBuck Converter
Input voltage36-60 V
Output 113 V / 16 A
IC revision1.1

Description

The EPC9195 synchronous buck converter evaluation board, operates at 750 kHz switching frequency and converts an input voltage of 36 V – 60 V to a regulated 13 V output. It delivers up to 16 A in a very small footprint of 28 mm x 14 mm and with a profile lower than 5 mm (3.5 mm inductor height). This type of high-density DC/DC converter is used to convert the 48 V DC input from batteries or chargers to a regulated typical 12 V load. The combination of Analog Device’s LTC7891 100 V synchronous GaN buck controller with ultra-efficient EPC2619 GaN FETs helps enable a super small and highly efficient solution with 96.4% efficiency at 48 V to 13.5 V and 16 A continuous current.

Features

  • Employs two low conduction and switching loss EPC2619 GaN FETsin half-bridge buck power stage,
  • Features ADI’s new LTC7891 100 V synchronous GaN buckcontroller
  • Simple, high power-density, compact layout of 61 x 61 mm size board,
  • Configured with a small inductor of just 12.5 x 13.5 x 3.5 mm size,
  • Synchronous buck configuration for high efficiency,
  • Fully protected and low component count solution,

Typical applications

Products

Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
C
Tol. C
VR(V (DC))
Size
Operating Temperature
DF(%)
RISO
Ceramic Type
L(mm)
W(mm)
Fl(mm)
Packaging
H(mm)
Ø OD(mm)
IR(A)
Ti
Tl(mm)
Samples
WCAP-CSGP MLCCs 25 V(DC), 100 pF, ±10%
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Capacitance100 pF
Capacitance±10% 
Rated Voltage25 V (DC)
Size0402 
Operating Temperature -55 °C up to +125 °C
Dissipation Factor3.5 %
Insulation Resistance10 GΩ
Ceramic TypeX7R Class II 
Length1 mm
Width0.5 mm
Pad Dimension0.25 mm
Packaging7" Tape & Reel 
Height0.5 mm
WP-SMBU REDCUBE SMT with internal through-hole thread, –, –
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Operating Temperature -55 °C up to +150 °C
PackagingTape and Reel 
Height5 mm
Outer Diameter9 mm
Rated Current70 A
Inner ThreadM5 
Thread Length6 mm