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reference designLM27403 | Demoboard PMP10740

Texas Instruments LM27403 | Demoboard PMP10740

High-Efficiency Small Form Factor 35W Sync Buck Reference Design

Overview

TopologyBuck Converter
Input voltage5 V
Output 11 V / 35 A
IC revisionA

Description

PMP10740 is a single-phase synchronous buck converter rated for 1V output at 35A from an input voltage of 5V. This design uses the LM27403 synchronous buck controller and two CSD87350Q5D power block MOSFETs provide maximum efficiency when combined with a 250nH ferrite output inductor. The design solution uses all ceramic capacitors to fit into a minimum board area.

Features

remark: bom and schematic is added with test result pdf

High Power DensitySelf contained - does not need external capacitors9.4mm max component heightSmall solution size

More information

Parts approved by Texas Instruments

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(nH)
LR(nH)
IR(A)
ISAT,10%(A)
ISAT,30%(A)
RDC(mΩ)
fres(MHz)
Material
SamplesAvailability & Sample
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744301025
SPECWE-HCM SMT High Current Flat Wire Inductor, 250 nH, 250 nH

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

Simu­lation
Availability
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-HCM SMT High Current Flat Wire Inductor
Inductance250 nH
Rated Inductance250 nH
Rated Current38 A
Saturation Current @ 10%54.4 A
Saturation Current @ 30%64.7 A
DC Resistance0.32 mΩ
Self Resonant Frequency33 MHz
MaterialMnZn 
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