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reference designLT8612 | Demoboard EVAL-CN0508-RPIZ

Analog Devices LT8612 | Demoboard EVAL-CN0508-RPIZ

75 Watt, Single-Output Benchtop Power Supply

Overview

TopologyBuck Converter
Input voltage42 V
Output 11.7 V / 6 A

Description

The CN-0508 provides a low cost, adjustable power solution with performance comparable to high-performance commercial power supplies. The design uses a hybrid circuit topology of a buck converter preregulator and two parallel linear regulators. This topology combines the high power efficiency of a buck converter and the low output noise, low ripple, and adjustable current limiting of the linear regulators. No heat sink other than the circuit board itself is required, in contrast to linear bench supplies in which pass devices (either discrete transistors or integrated circuit regulators) require external heat sinks to sufficiently dissipate the heat.

Features

  • 75 Watt Power Supply
  • Constant Current (>3A) and Constant Voltage (>25V) Modes
  • True 0V and 0A operation
  • Manual or Software Controlled

Typical applications

  • Automotive and Industrial Supplies, General Purpose Step-Down, GSM Power Supplies

More information

Products

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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)
H(mm)
Fl(mm)
Packaging
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC(mΩ)
fres(MHz)
Material
Qty.
SamplesAvailability & Sample
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885012206073
SPECWCAP-CSGP MLCCs 25 V(DC), 220 nF, ±10%
Simu­lation
Availability
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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 25 V(DC)
Capacitance220 nF
Capacitance±10% 
Rated Voltage25 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
Dissipation Factor3.5 %
Insulation Resistance2.3 GΩ
Ceramic TypeX7R Class II 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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Packaging Unit4000 
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744325550
SPECWE-HCI SMT Flat Wire High Current Inductor, –, –
Simu­lation
Availability
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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
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Size1050 
Operating Temperature -40 °C up to +150 °C
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Length10.5 mm
Width10.2 mm
Height4.7 mm
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Inductance5.5 µH
Performance Rated Current12 A
Saturation Current @ 10%4.5 A
Saturation Current @ 30%12 A
DC Resistance10.3 mΩ
Self Resonant Frequency30 MHz
MaterialSuperflux 
Packaging Unit700 
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