MAX5969BETB+T by Analog Devices

IEEE 802.3af/at-Compliant, Powered Device Interface Controllers with Integrated Power MOSFET


The MAX5969A/MAX5969B provide a complete interface for a powered device (PD) to comply with the IEEE® 802.3af/at standard in a power-over-Ethernet (PoE) system. The MAX5969A/MAX5969B provide the PD with a detection signature, classification signature, and an integrated isolation power switch with inrush current control. During the inrush period, the MAX5969A/MAX5969B limit the current to less than 180mA before switching to the higher current limit (720mA to 880mA) when the isolation power MOSFET is fully enhanced. The devices feature an input UVLO with wide hysteresis and long deglitch time to compensate for twisted-pair cable resistive drop and to assure glitch-free transition during power-on/-off conditions. The MAX5969A/MAX5969B can withstand up to 100V at the input. The MAX5969A/MAX5969B support a 2-event classification method as specified in the IEEE 802.3at standard and provide a signal to indicate when probed by Type 2 power-sourcing equipment (PSE). The devices detect the presence of a wall adapter power-source connection and allow a smooth switchover from the PoE power source to the wall power adapter. The MAX5969A/MAX5969B also provide a power-good (PG) signal, two-step current limit and foldback, overtemperature protection, and di/dt limit. The MAX5969A/MAX5969B are available in a space-saving, 10-pin, 3mm × 3mm, TDFN power package. These devices are rated over the -40°C to +85°C extended temperature range.

Where to Buy

Prices starting from US$2.89

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Features

IEEE 802.3af/at Compliant
2-Event Classification
Simplified Wall Adapter Interface
PoE Classification 0 to 5
100V Input Absolute Maximum Rating
Inrush Current Limit of 180mA Maximum
Current Limit During Normal Operation Between 720mA and 880mA
Current Limit and Foldback
Legacy UVLO at 36V (MAX5969A)
IEEE 802.3af/at-Compliant, 40V UVLO (MAX5969B)
Overtemperature Protection
Thermally Enhanced, 3mm × 3mm, 10-Pin TDFN

Specifications

Compliance IEEE 802.3afIEEE 802.3at
RDS(ON) (Ω) (PD MOSFET) 0.5
PWM No
UVLO Threshold (V) 38.6
Package/Pins TDFN/10
Oper. Temp. (°C) -40 to +85
BudgetaryPrice (See Notes) 2.33


MAX5969BETB+T Semiconductors - ICs by Analog Devices

POE PD CTRL 60V TDFN-10

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Input Voltage 60V
Output Current 800mA
UVLO 38.6V
Controller IC Case Style TDFN
No. of Pins 10Pins
Duty Cycle (%) -
Frequency -
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

IEEE 802.3af/at-Compliant, Pow | Analog Devices
POE PD CTRL, 60V, TDFN-10 | Farnell
Poe Pd Ctrl, 60V, Tdfn-10 | Newark Electronics

Frequently Asked Questions

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Is the MAX5969BETB+T RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including Analog Devices, Farnell and Newark Electronics have stock available or on a lead time for MAX5969BETB+T .

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