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reference designLM3409 | Demoboard PMP7755

Texas Instruments LM3409 | Demoboard PMP7755

Non sync buck controller with 24V input and 18V @ 4.2A output

Overview

TopologyBuck Converter
Input voltage24 V
Output 118 V / 4.2 A
IC revisionX1

Description

PMP7755 is a non-synchronous buck controller for LM3409 with 24V DC input and 18V output @ 4.2A. The load is 9 strings with 6 LEDs per string. It uses a motion detector with PIR (passive infarared) dimming as well as 0-10V analog dimming. It has differential high side current sensing which enables setting the dimpoint on PIR. It also has a turn on/off delay.

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L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC(mΩ)
fres(MHz)
Material
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74435573300
SPECWE-HCI SMT Flat Wire High Current Inductor, 33 µH, 8.7 A
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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
Inductance33 µH
Performance Rated Current8.7 A
Saturation Current @ 10%8 A
Saturation Current @ 30%9 A
DC Resistance21.7 mΩ
Self Resonant Frequency9.5 MHz
MaterialMnZn 
Packaging Unit150 
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