MAX5969BEVKIT+ Maxim Integrated Products, MAX5969BEVKIT+ Datasheet

MAX5969BEVKIT+

Manufacturer Part Number

MAX5969BEVKIT+

Description

Evaluation Kit for the MAX5969B

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX5969A.pdf (14 pages)

Specifications of MAX5969BEVKIT+

Pack_quantity

Comm_code

85437090

Lead_time

175

Current page: 1 of 14
Download datasheet (2Mb)

19-5008; Rev 0; 12/09

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) sys-

tem. The MAX5969A/MAX5969B provide the PD with a

detection signature, classification signature, and an inte-

grated 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 classifica-

tion 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 connec-

tion 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, over-

temperature protection, and di/dt limit.

The MAX5969A/MAX5969B are available in a space-sav-

ing, 10-pin, 3mm x 3mm, TDFN power package. These

devices are rated over the -40NC to +85NC extended

temperature range.

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

IEEE is a registered service mark of the Institute of Electrical

and Electronics Engineers, Inc.

WiMAX is a trademark of WiMAX Forum.

IEEE 802.3af/at-Compliant, Powered Device Interface

IEEE 802.3af/at Powered Devices

IP Phones, Wireless Access Nodes, IP Security

Cameras

WiMAXK Base Station

_______________________________________________________________ Maxim Integrated Products 1

Controllers with

General Description

Applications

Integrated Power MOSFET

S IEEE 802.3af/at Compliant

S 2-Event Classification

S Simplified Wall Adapter Interface

S PoE Classification 0 to 5

S 100V Input Absolute Maximum Rating

S Inrush Current Limit of 180mA Maximum

S Current Limit During Normal Operation Between

S Current Limit and Foldback

S Legacy UVLO at 36V (MAX5969A)

S IEEE 802.3af/at-Compliant, 40V UVLO (MAX5969B)

S Overtemperature Protection

S Thermally Enhanced, 3mm x 3mm, 10-Pin TDFN

+Denotes a lead(Pb)-free/RoHS-compliant package.

*EP = Exposed pad.

MAX5969AETB+

MAX5969BETB+

720mA and 880mA

TOP VIEW

PART

*EP = EXPOSED PAD. CONNECT TO V

N.C.

DET

I.C.

-40NC to +85NC 10 TDFN-EP*

TEMP RANGE

EP*

(3mm × 3mm)

Ordering Information

MAX5969A

MAX5969B

TDFN

Pin Configuration

PIN-

PACKAGE

Features

CLS

2EC

WAD

RTN

THRESHOLD

UVLO

35.4

38.6

(V)

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