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reference designLM63635-Q1 | Demoboard LM63635EVM

Texas Instruments LM63635-Q1 | Demoboard LM63635EVM

3.5-A synchronous step-down converter evaluation module

Overview

TopologyBuck Converter
Input voltage3.5-32 V
Output 15 V / 3.25 A
IC revisionA

Description

The Texas Instruments LM63635EVM evaluation module (EVM) helps designers evaluate the operationand performance of the LM63635-Q1 buck regulator. The LM63635-Q1 is a family of easy-to-usesynchronous step-down DC/DC converters capable of driving up to 3.25 A of load current from an inputvoltage of 3.5 V to 32 V. The LM63635EVM features a selectable output voltage of 3.3 V or 5 V and aswitching frequency of 400 kHz. See the LM636x5-Q1 3.5-V to 36-V, 1.5-A, and 2.5-A Automotive Step-down Voltage Converter Data Sheet for additional features, detailed description, and available options.

Features

  • Integrated synchronous rectification
  • Low operating quiescent current
  • High efficiency at light loads
  • Low minimum on-time

Typical applications

More information

Parts approved by Texas Instruments

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IRP,40K(A)
ISAT,30%(A)
RDC typ.(mΩ)
fres(MHz)
VOP(V)
Mount
Z @ 100 MHz(Ω)
Zmax(Ω)
Test Condition Zmax
IR 2(mA)
RDC max.(mΩ)
Type
SamplesAvailability & Sample
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74438356047
SPECWE-MAPI SMT Power Inductor, 4.7 µH, 4 A
Simu­lation
Availability
–
Downloads10 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-MAPI SMT Power Inductor
Inductance4.7 µH
Performance Rated Current4 A
Saturation Current @ 30%5.75 A
DC Resistance63 mΩ
Self Resonant Frequency22 MHz
Operating Voltage80 V
MountSMT 
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–
–
–
DC Resistance76 mΩ
–
–Check availability
74279252
SPECWE-CBF SMT EMI Suppression Ferrite Bead, –, –
Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-CBF SMT EMI Suppression Ferrite Bead
–
–
–
–
–
–
MountSMT 
Impedance @ 100 MHz880 Ω
Maximum Impedance940 Ω
Maximum Impedance108 MHz 
Rated Current 24000 mA
DC Resistance35 mΩ
TypeHigh Current 
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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)
IRP,40K(A)
ISAT,30%(A)
RDC typ.(mΩ)
RDC max.(mΩ)
fres(MHz)
Mount
SamplesAvailability & Sample
Log in now to view availability and request availability forecasts. LOGIN
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
Saturation Current @ 30%6.9 A
DC Resistance23.7 mΩ
DC Resistance29.28 mΩ
Self Resonant Frequency18 MHz
MountSMT 
–Check availability