Silicon Laboratory Inc. Si3404 | Demoboard Si3404-ISO-FB-EVB | Würth Elektronik Reference Design Search

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reference designSi3404 | Demoboard Si3404-ISO-FB-EVB

Overview

Topology	Flyback Converter
Input voltage	50 V
Output 1	5 V
Output 2	3.3 V
Output 3	12 V
IC revision	0.2

Description

The Si3404 isolated Flyback topology based evaluation board is a reference design for a power supply in a Power over Ethernet (PoE) Powered Device (PD) application.

Features

IEEE 802.03af Compatible
Very Small Application PCB Surface
High Efficiency
High Integration
Low-Profile 4 x 4 mm 20-pin QFN
Thermal Shutdown Protection
Low BOM Cost
Transient Overvoltage Protection

More information

IC product information

Products

	Order Code	Datasheet	Simulation	Downloads	Status	Product series	Z @ 100 MHz (Ω)	Z_max (Ω)	Test Condition Z_max	I_{R 2} (mA)	R_{DC max.} (Ω)	Type	Version	V_IN	V_Out1 (V)	I_Out1 (A)	V_Out2 (V)	I_Out2 (A)	L (µH)	n	V_T (V (AC))	Size	Mount	Samples
	742792040	SPEC		9 files EDA models: Components ZIP ALT WE-CBF (rev24a).IntLib \| 230 KB ZUK Cadstar_WE-CBF (rev21a).zip \| 17.5 KB CDS Cadence_WE-CBF (rev24a).zip \| 776.7 KB EAG Eagle_WE-CBF (rev24a).lbr \| 163 KB CAD files ZIP IGS WE-CBF_0805_CBF (rev1).igs \| 158.2 KB STP WE-CBF_0805_CBF (rev1).stp \| 34.7 KB Electric models ZIP S S-Parameter_WE-CBF (rev22a).zip \| 2.8 MB PSP PSpice_WE-CBF (rev24a).zip \| 26.9 KB Download all 9 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	WE-CBF SMT EMI Suppression Ferrite Bead	600	700	150 MHz	2000	0.15	High Current	SMT	–	–	–	–	–	–	–	–	0805	SMT
	749119933	SPEC 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. SPEC Datasheet valid to 24/11/2024 SPEC Datasheet valid from 25/11/2024	–	8 files EDA models: Components ZIP ALT Altium_WE-PoE (rev24a).IntLib \| 1.5 MB ZUK Download_Cadstar_WE-PoE (rev19a).zip \| 14.2 KB CDS Cadence_WE-POE (rev24a).zip \| 9.5 MB EAG Eagle_WE-POE (rev24b).lbr \| 254.1 KB CAD files ZIP IGS WE-PoE_EP13_PoE (rev1).igs \| 2.2 MB STP WE-PoE_EP13_PoE (rev1).stp \| 716.4 KB Electric models ZIP LT LTSpice_WE-PoE (rev24b).zip \| 84.5 KB PSP PSpice_WE-PoE (rev24b).zip \| 36 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	WE-PoE Power over Ethernet Transformer	–	–	–	–	–	–	Flyback	36 - 57 V (DC)	3.3	2	3.3	2	127	6:1:1:3	1500	EP13	SMT

	Order Code	Datasheet	Simulation
	742792040	SPEC
	749119933	SPEC 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. SPEC Datasheet valid to 24/11/2024 SPEC Datasheet valid from 25/11/2024	–

Samples

	Order Code	Datasheet	Simulation	Downloads	Status	Product series	Z @ 100 MHz (Ω)	Z_max (Ω)	Test Condition Z_max	I_{R 2} (mA)	R_{DC max.} (Ω)	Type	Version	V_IN	V_Out1 (V)	I_Out1 (A)	V_Out2 (V)	I_Out2 (A)	L (µH)	n	V_T (V (AC))	Size	Mount	Samples