IC manufacturers Analog Devices

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Analog Devices LTM8024 | Demoboard DC1868A

40VIN, Dual 3.5A or Single 7A Silent Switcher μModule Regulator

Overview

TopologyBuck Converter
Input voltage7-40 V
Switching frequency200-3000 kHz
Output 15 V / 3 A

Description

The LTM8024 is 40VIN, dual 3.5A or single 7A step-down Silent Switcher µModule® regulator. The Silent Switcher architecture minimizes EMI while delivering high efficiency at frequencies up to 3MHz. Included in the package are the controllers, power switches, inductors, and support components. Operating over a wide input voltage range, the LTM8024 supports output voltages from 0.8V to 8V, and a switching frequency range of 200kHz to 3MHz, each set by a single resistor. Only the bulk input and output filter capacitors are needed to finish the design. The LTM8024 product video is available on website.The LTM8024 is packaged in a thermally enhanced, compact (9mm × 11.25mm × 3.32mm) over-molded ball grid array (BGA) package suitable for automated assembly by standard surface mount equipment. The LTM8024 is RoHS compliant.

Features

  • Two Complete Step-Down Switching Power Supplies
  • Low Noise Silent Switcher® Architecture
  • CISPR22 Class B Compliant
  • Wide Input Voltage Range: 3V to 40V
  • Wide Output Voltage Range: 0.8V to 8V
  • 3.5A Continuous Output Current Per Channel at 12VIN, 3.3VOUT, TA = 80°C
  • Multiphase Parallel Operation to Increase Current
  • Selectable Switching Frequency: 200kHz to 3MHz
  • Compact Package (9mm × 11.25mm × 3.32mm) Surface Mount BGA

Typical applications

  • Automotive Battery Regulation / Power for Portable Products / Distributed Supply Regulation / Industrial Supplies

Products

Order Code Data­sheet Simu­lation Downloads Product seriesL
(µH)
IRP,40K
(A)
ISAT,10%
(A)
ISAT,30%
(A)
RDC max.
(mΩ)
fres
(MHz)
MountZ @ 100 MHz
(Ω)
Zmax
(Ω)
Test Condition ZmaxIR
(mA)
Z @ 1 GHz
(Ω)
H
(mm)
Type Samples
744373240022SPEC
8 files WE-LHMI SMT Power Inductor 0.22 11.4 10.8 22.3 7.3 195 SMT 1.8
74279226101SPEC
8 files WE-MPSB EMI Multilayer Power Suppression Bead 6 SMT 100 160 1100 MHz 8000 150 2.3 High Current
Order Code Data­sheet Simu­lation
744373240022SPEC
74279226101SPEC
Samples
Order Code Data­sheet Simu­lation Downloads Product seriesL
(µH)
IRP,40K
(A)
ISAT,10%
(A)
ISAT,30%
(A)
RDC max.
(mΩ)
fres
(MHz)
MountZ @ 100 MHz
(Ω)
Zmax
(Ω)
Test Condition ZmaxIR
(mA)
Z @ 1 GHz
(Ω)
H
(mm)
Type Samples