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IC manufacturers Diodes Incorporated

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reference designAP6A0650Q | Demoboard DDB123R1

Diodes Incorporated AP6A0650Q | Demoboard DDB123R1

Overview

TopologyBuck Converter
Input voltage4.5-100 V
Output 130 V / 1 A
IC revision1

Description

The DDB123R1 Demo Board showcases the AP68065xQ/AP68105xQ DC-DC buck converter family, the AP74700AQ ideal diode controller, as well as the use of an EMI input filter. It demonstrates a system-level solution with reverse voltage protection, ISO 7637-2 transient pulse protection (using suitable TVS), EMI filtering that passes CISPR 25 Class 5, and the DC-DC buck converter. The input filter contains a common mode choke with capacitors on either side of it in a Pi configuration. This is connected in series with an LC low pass filter containing an inductor and a capacitor. This combination makes the board CISPR 25 Class 5 compliant.

Typical applications

  • 48V automotive applications
  • General-purpose point-of-load DC-DC power conversion

More information

Parts approved by Diodes Incorporated

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IRP,40K(A)
ISAT(A)
RDC max.(mΩ)
fres(MHz)
Size
Version
ISAT,30%(A)
RDC typ.(mΩ)
Mount
SamplesAvailability & Sample
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744393305068
SPECWE-XHMI SMT Power Inductor, 6.8 µH, 6.6 A
Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-XHMI SMT Power Inductor
Inductance6.8 µH
Performance Rated Current6.6 A
–
DC Resistance29.28 mΩ
Self Resonant Frequency18 MHz
Size5050 
–
Saturation Current @ 30%6.9 A
DC Resistance23.7 mΩ
MountSMT 
–Check availability
744771212
SPECWE-PD SMT Power Inductor, 120 µH, 2.6 A
Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-PD SMT Power Inductor
Inductance120 µH
Performance Rated Current2.6 A
Saturation Current1.6 A
DC Resistance180 mΩ
Self Resonant Frequency5.2 MHz
Size1260 
VersionStandard 
Saturation Current @ 30%2.1 A
DC Resistance150 mΩ
MountSMT 
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Additional parts recommended by Würth Elektronik

Recommended parts are Würth Elektronik alternatives that are not formally approved for this reference design. Please verify it is suitable for your application, and contact us if you have any questions.

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
Z(Ω)
IR(A)
RDC(mΩ)
VR(V (DC))
Winding Style
ISAT,10%(A)
ISAT,30%(A)
RDC typ.(mΩ)
RDC max.(mΩ)
fres(MHz)
IRP,40K(A)
SamplesAvailability & Sample
Log in now to view availability and request availability forecasts. LOGIN
7843845030068
SPECWE-MXGA SMT Power Inductor, 6.8 µH, –
Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-MXGA SMT Power Inductor
Inductance6.8 µH
–
–
–
–
–
Saturation Current @ 10%3.2 A
Saturation Current @ 30%6.8 A
DC Resistance28.3 mΩ
DC Resistance31.7 mΩ
Self Resonant Frequency18 MHz
Performance Rated Current6.5 A
–Check availability
744238102
SPECWE-CMDC Common Mode Data Line Filter, 12.5 µH, 1000 Ω
Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-CMDC Common Mode Data Line Filter
Inductance12.5 µH
Impedance1000 Ω
Rated Current3 A
DC Resistance20 mΩ
Rated Voltage80 V (DC)
Winding Stylesectional 
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–
–
–
–
–
–Check availability