DC DC Converters

Image Part Number Description / PDF Quantity Rfq
JRCS016A0S4-HZ

JRCS016A0S4-HZ

GE Critical Power (ABB Embedded Power)

DC DC CONVERTER 18.5-60 V 400W

40

APTS020A0X43-SRZ

APTS020A0X43-SRZ

GE Critical Power (ABB Embedded Power)

DC DC CONVERTER 0.7-5.5V 110W

24

EHHD036A0F41Z

EHHD036A0F41Z

GE Critical Power (ABB Embedded Power)

DC DC CONVERTER 3.3V 120W

60

KHHD004A2S8R0841Z

KHHD004A2S8R0841Z

GE Critical Power (ABB Embedded Power)

DC DC CONVERTER 8V 34W

0

QBVW033A0B641Z

QBVW033A0B641Z

GE Critical Power (ABB Embedded Power)

DC DC CONVERTER 12V 400W

0

ATM030A0X3-SRZ

ATM030A0X3-SRZ

GE Critical Power (ABB Embedded Power)

DC DC CONVERTER 0.8-2V 60W

0

EHHD006A0B41Z

EHHD006A0B41Z

GE Critical Power (ABB Embedded Power)

DC DC CONVERTER 12V 72W

36

QBDW033A0B41-HZ

QBDW033A0B41-HZ

GE Critical Power (ABB Embedded Power)

DC DC CONVERTER 12V 396W

3

UJT035A0X3-SRZ

UJT035A0X3-SRZ

GE Critical Power (ABB Embedded Power)

DC DC CONVERTER 0.51-3.63V

1820

EBVW025A0B841Z

EBVW025A0B841Z

GE Critical Power (ABB Embedded Power)

DC DC CONVERTER 12V 300W

0

PVX006A0X3-SRZ

PVX006A0X3-SRZ

GE Critical Power (ABB Embedded Power)

DC DC CONVERTER 0.6-5.5V 33W

0

PDT006A0X43-SRZ

PDT006A0X43-SRZ

GE Critical Power (ABB Embedded Power)

DC DC CONVERTER 0.45-5.5V

0

SW003A5F91-SRZ

SW003A5F91-SRZ

GE Critical Power (ABB Embedded Power)

DC DC CONVERTER 3.3V 12W

208

UNDT012A0X3-SRZ

UNDT012A0X3-SRZ

GE Critical Power (ABB Embedded Power)

DC DC CONVERTER 0.45-5.5V

631

ESTW015A0F641Z

ESTW015A0F641Z

GE Critical Power (ABB Embedded Power)

DC DC CONVERTER 5V 75W

0

EBVW025A0B641Z

EBVW025A0B641Z

GE Critical Power (ABB Embedded Power)

DC DC CONVERTER 12V 300W

0

IND045XW

IND045XW

GE Critical Power (ABB Embedded Power)

DC DC CONVERTER 3-18V 45W

171

ESTW006A0B41-HZ

ESTW006A0B41-HZ

GE Critical Power (ABB Embedded Power)

DC DC CONVERTER 12V 72W

0

APTS050A0X3-SRPHZ

APTS050A0X3-SRPHZ

GE Critical Power (ABB Embedded Power)

DC DC CONVERTER 0.7-2V 100W

1078

ABXS003A3X341-SRZ

ABXS003A3X341-SRZ

GE Critical Power (ABB Embedded Power)

DC DC CONVERTER 32-54V 130W

124

DC DC Converters

1. Overview

Board Mount DC-DC Converters are electronic devices that convert direct current (DC) from one voltage level to another through switching technology. They enable voltage regulation and power distribution in embedded systems, providing galvanic isolation, voltage matching, and efficiency optimization. These converters are critical in modern electronics for enabling compact designs, improving energy efficiency, and ensuring stable power delivery in applications ranging from consumer devices to industrial equipment.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Non-Isolated ConvertersShared ground reference, high efficiency (85-95%), low costPoint-of-load regulation in servers
Isolated ConvertersGalvanic isolation (1-6kV), reinforced safety, wide input rangeMedical equipment power supplies
Step-Down (Buck)Converts higher input to lower output voltage12V to 3.3V for microprocessors
Step-Up (Boost)Increases input voltage to higher output levels5V to 12V for display backlighting
BidirectionalSupports power flow in both directionsEnergy storage systems in EVs

3. Structure and Components

Typical construction includes:

  • Input EMI filter (common-mode choke + capacitors)
  • Power MOSFET/IGBT switching stage
  • Planar transformer (for isolation types)
  • PWM controller IC with feedback loop
  • Synchronous rectifier (for high-efficiency designs)
  • Output LC filter (inductor + ceramic capacitors)

4. Key Technical Specifications

ParameterImportance
Input Voltage RangeDetermines compatibility with power sources
Output Voltage AccuracyEnsures stable power for sensitive circuits
Efficiency (Typ. 80-97%)Impacts thermal performance and energy costs
Power Density (W/in )Key metric for space-constrained applications
Operating TemperatureDefines performance in harsh environments
Isolation VoltageSafety compliance for medical/industrial use

5. Application Fields

Major industries include:

  • Telecommunications (5G base stations, optical networking equipment)
  • Industrial Automation (PLCs, robotics controllers)
  • Medical Devices (patient monitoring systems, imaging equipment)
  • Consumer Electronics (gaming consoles, VR headsets)
  • Renewable Energy (solar inverters, energy storage systems)

6. Leading Manufacturers and Products

ManufacturerProduct SeriesKey Features
TI (Texas Instruments)LM514565V input, 2.5A output, 95% efficiency
Monolithic PowerMPQ442045V input, 2A output, 3x3mm QFN package
VicorDCM311448V to 12V, 180W, 342W/in power density
CUI IncVX78-10001000V isolation, 10W output, medical grade

7. Selection Guidelines

Key factors to consider:

  • Input/output voltage requirements and transient response
  • Load current profile (continuous vs peak demands)
  • Thermal management capabilities
  • Form factor constraints (e.g., 1/16th brick standard)
  • Protection features (OVP, OCP, OTP)
  • Compliance certifications (CE, UL, IEC 60601-1)

8. Industry Trends

Current development directions include:

  • Adoption of GaN/SiC wide bandgap semiconductors for >97% efficiency
  • Digital control loops for dynamic voltage scaling
  • 3D packaging to achieve >500W/in power density
  • Integrated magnetics for reduced component count
  • Smart converters with PMBus interface for telemetry

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