What are typical application scenarios?

It is suitable for IP phones, wireless access points, network cameras, industrial Ethernet modules, and building automation systems.

Ltc4267ign-3 Power Over Ethernet (PoE) Controller IC, 1 Channel, 16-Ssop Package

Name: Ltc4267ign-3 Power Over Ethernet (PoE) Controller IC, 1 Channel, 16-Ssop Package
Brand: Shenzhen Xinjiaye Electronics Technology Co., Ltd.
SKU: 2207698465

Guangdong, ChinaShenzhen Xinjiaye Electronics Technology Co., Ltd.

US$7.89

1 Piece

Product profile

Customization

Available

Conductive Type

Bipolar Integrated Circuit

Integration

16-Ssop

Model NO.

LTC4267IGN-3#PBF

Operating Temperature

-40℃ - 85℃

Shape

16-Ssop (0.154", 3.90mm Wide)

Technics

16-Ssop

Transport Package

Tube Packaging

Specification

16-SSOP

Key features

High Integration: Integrates PoE interface, switching regulator, and protection in one IC to reduce BOM and PCB space.

IEEE 802.3af Compliant: Fully supports Class 0-4 programmable classification and signature resistor for standard compliance.

Advanced Protection: Features 100V UVLO, thermal overload protection, and precision dual-level inrush current limiting.

Optimized Efficiency: Fixed 300kHz switching frequency balances efficiency, component size, and EMI control.

Flexible Packaging: Available in low-profile 16-pin SSOP and DFN packages for space-constrained designs.

System Reliability: Includes power good signal with integrated error amplifier for stable output regulation.

Company profile

Shenzhen Xinjiaye Electronics Technology Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2005-01-01Nearest Port: ShenZhen, HongKongAverage Response Time: ≤10.52hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA, EXW

About Our Factory & Business Background

AddressRoom 508, Yonghui Building. Gushu 2 Road, Shenzhen, Guangdong, China

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsPCB, PCB Board, Aluminum PCB, FPC, PCBA, LED PCB, PCB Assembly, Printed Circuit Board, Rigid PCB, MCPCB

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Product Q&A

Q:What IEEE standard does this controller support?

It is designed for IEEE 802.3af powered device applications, supporting Class 0 through Class 4 programmable classification.

Q:What protection features are included?

The IC includes 100V undervoltage lockout (UVLO), thermal overload protection, and precision dual-level inrush current limiting.

Q:What package options are available?

The device is offered in low-profile 16-pin SSOP and DFN packages to suit different assembly and thermal requirements.

Q:What is the switching frequency?

The device operates with a constant switching frequency of 300kHz, optimizing efficiency and EMI behavior.

Q:Does it include a signature resistor?

Yes, it features an onboard 25k signature resistor with a disable function for compliant powered device detection.

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Ltc4267ign-3 Power Over Ethernet (PoE) Controller IC, 1 Channel, 16-Ssop Package