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MAX5942AESE+

IC IEEE 802.3AF POE SYSTM 16SOIC

Product Category: Integrated Circuits (IC Chips)
Mfr. Part #
MAX5942AESE+
Manufacturer: Maxim Integrated
Package: 16-SOIC (0.154", 3.90mm Width)
Lead Free Status /RoHS Status:
Data Sheet: MAX5942AESE+ Datasheet
Inventory: In Stock

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Mfr. Part #: MAX5942AESE+

Specifications
Product Details

Specifications

Manufacturer Maxim Integrated

Product Category Power Over Ethernet (PoE) Controllers

Series MAX5942

Product Interface Controller for Power-Over-Ethernet

Type Controller (PD)

Packaging Tube Alternate Packaging

Unit-Weight 0.007079 oz

Mounting-Style SMD/SMT

Package-Case 16-SOIC (0.154", 3.90mm Width)

Operating-Temperature -40Â°C ~ 85Â°C

Number-of-Channels 1 Channel

Voltage-Supply 18 V ~ 67 V

Supplier-Device-Package 16-SOIC

Current-Supply 400Î¼A

Standards 802.3af (PoE)

Internal-Switch-s No

Power-Max 12.95W

Auxiliary-Sense No

Pd-Power-Dissipation 727 mW

Maximum Operating Temperature + 85 C

Operating temperature range - 40 C

Operating-Supply-Voltage 18 V to 67 V

Operating-Supply-Current 400 uA

Interface-Type Ethernet

Part-#-Aliases MAX5942

Package-Case SO-16

Product Details

General Description

The MAX5942A/MAX5942B integrate a complete power IC for powered devices (PD) in a power-over-ethernet (PoE) system. The MAX5942A/MAX5942B provide a PD interface and a compact DC-DC PWM controller suitable for flyback and forward converters in either isolated or nonisolated designs.

Features

â™¦ Powered Device Interface
Fully Integrated IEEE 802.3af-Compliant PD Interface
PD Detection and Programmable Classification Signatures
Less than 10ÂµA Leakage Current Offset During Detection
Integrated MOSFET for Isolation and Inrush Current Limiting
Gate Output Allows External Control of the Internal Isolation FET
Programmable Inrush Current Control/ULVO PGOOD/PGOOD Outputs Enable PWM Controller
â™¦ PWM Controller
Wide Input Range: 18V to 67V
Isolated (Without Optocoupler) or Nonisolated Power Supply
Current-Mode Control
Leading-Edge Blanking
Internally Trimmed 275kHz Â±10% Oscillator Soft-Start

Applications

IP Phones
Wireless Access Nodes
Internet Appliances
Computer Telephony
Security Cameras
Power Devices in Power-Over-Ethernet/Power-Over-MDI

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Mfr. Part #: MAX5942AESE+