AS1114 High Efficiency, 13W Integrated Powered Device and DC-DC Controller Datasheet Brief
●GENERAL DESCRIPTION
■The AS1114 is a single-chip, highly integrated CMOS solution for Power over Ethernet (PoE). It is identical to the AS1113 except the switching frequency is reduced to 190kHz and the MPS feature is disabled. Applications include Voice over IP (VoIP) Phones, Wireless LAN Access Point, Security and Web Cameras, Analog Telephone Adapters (ATA) and Point of Sales Terminals.
■The AS1114 provides the functions required for power over Ethernet Powered Device (PD) applications.
■The AS1114 integrates rectification and protection circuitry, a PD controller, and a DC-DC controller. This high level of integration provides significant reliability and protection advantages.
■The AS1114 integrates rectification and protection circuitry, a PD controller, and a DC-DC converter. This high level of integration provides faster response to surge events and limits stray surge current from passing through sensitive circuits, such as the Ethernet PHY device. The device is designed to provide a safe low impedance discharge paths directly back to the earth ground, resulting in superior reliability and circuit protection.
■AS1114 has been architected and designed to address both EMI emission concerns and surge/over-voltage protection in PoE applications. The device implements many design features that minimizes transmission of system common-mode noise on to the UTP cable.
■By using high-volume standard CMOS technology, Akros enables its customers to implement higher performance PoE devices with low cost and a small footprint.
●FEATURES
■The AS1114 is fully integrated and architected at a system level to provide the following features:
▲Fully supports IEEE® Std. 802.3af-2003
▲Complies with IEC 61000-4-2/3/4/5/6 requirements
▲Complies with IEC 60950 over-voltage protection requirements
▲Integrated rectification for superior high voltage protection
▲Integrated DC-DC controller provides superior EMI performance
▲Provides seamless support for local power
▲Over temperature protection
▲Industrial temperature range, -40ºC to +85ºC
▲5x5 mm, 20 pin QFN Package, RoHS compliant
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High Efficiency, 13W Integrated Powered Device and DC-DC Controller |
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[ Voice over IP phones ][ VoIP phones ][ Wireless LAN Access Points ][ security Cameras ][ Web Cameras ][ Analog Telephone Adapters ][ ATA ][ Point of Sale Terminals ][ PoS Terminals ] |
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Datasheet |
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Please see the document for details |
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QFN |
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English Chinese Chinese and English Japanese |
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April 2019 |
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Revision 04a |
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1.6 MB |
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