Product Information

DC1814A-B

DC1814A-B electronic component of Analog Devices

Datasheet
Power Management IC Development Tools LTC4274A-2 Demo Board -LTPoE++ (52.7W) P

Manufacturer: Analog Devices
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



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1: USD 129.9375 ea
Line Total: USD 129.94

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MOQ: 1  Multiples: 1
Pack Size: 1
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Ships to you between Thu. 09 May to Wed. 15 May

MOQ : 1
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DC1814A-B
Analog Devices

1 : USD 249.3916

0 - WHS 2


Ships to you between Wed. 15 May to Fri. 17 May

MOQ : 1
Multiples : 1

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DC1814A-B
Analog Devices

1 : USD 155.7171

     
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DEMO MANUAL DC1814A LTC4274A ++ Single LTPoE PSE Controller Description Demonstration circuit 1814A features the LTC 4274A, The LTC4274A is configured in the DC1814A as an AUTO single port power sourcing equipment (PSE) controller, pin high, MID pin high, autonomous midspan power injec- ++ capable of delivering up to 90W of LTPoE power to a tor input data from an existing network system is sent out, ++ compatible LTPoE powered device (PD). A proprietary along with power, to a PD. The LTC4274A autonomously detection/classification scheme allows mutual identifica- detects a PD, turns power on to the port, and disconnects ++ ++ tion between an LTPoE PSE and LTPoE PD while port power without the need for a microcontroller. A single remaining compatible and interoperable with existing 55V supply is required to power the DC1814A. A simple Type 1 (13W) and Type2 (25.5W) PDs. The LTC4274A LDO regulator circuit on the board powers the digital sup- feature set is a superset of the popular LTC4274. These ply of the LTC4274A. A SHDN pushbutton shuts down the PSE controllers utilize low R external MOSFETs and port and disables detection. A RESET pushbutton resets ON 0.25 sense resistors which are especially important at the LTC4274A to the AUTO pin high state. ++ the LTPoE current levels to maintain the lowest possible Design files for this circuit board are available at heat dissipation. DEMO MANUAL DC1814A Quick s tart p D ++ Demonstration circuit 1814A is easy to set up for evaluat- 2. Connect an 802.3 Type 1 or Type 2, or LTPoE compat- ing the performance of the LTC4274A. Refer to Figure 1 ible PD to RJ45 connector J1 with an Ethernet cable. for proper test equipment setup and follow the procedure 3. Measure the port output voltage to the PD across below. VPORT+ and VPORT test points. 1. Connect a 55V to 57V power supply across AGND (+) 4. (Optional) Connect a PHY to RJ45 connector J2 with and VEE (). Size the power supply considering the an Ethernet cable for data tests. maximum power delivered to the PD. Figure 1. DC1814A Setup dc1814afe 2 ure roce

Tariff Desc

8543.70.00 Other machines and apparatus Free
13 Signal processors (graphic equalisers, crossovers etc.) 91 Other Free

9027.10.00 Instruments and apparatus for physical or chemical analysis (eg, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes Free

9031.80.00 MEASURING OR CHECKING INSTRUMENTS, APPLIANCES AND MACHINES, NOT SPECIFIED OR INCLUDED ELSEWHERE IN THIS CHAPTER; PROFILE PROJECTORS Other instruments, appliances and machines Free

9030.31.00 Oscilloscopes, spectrum analysers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, x-ray, cosmic or other ionising radiations.
Other instruments and apparatus, for measuring or checking voltage, current, resistance or power Multimeters without a recording device Free

8473.30.00 Parts and accessories of the machines of 8471 AUTOMATIC DATA PROCESSING MACHINES AND UNITS THEREOF; MAGNETIC OR OPTICAL READERS, MACHINES FOR TRANSCRIBING DATA ONTO DATA MEDIA IN CODED FORM AND MACHINES FOR PROCESSING SUCH DATA, NOT ELSEWHERE SPECIFIED OR INCLUDED:
.Other 71 No Weighing less than 1kg Free

8537 BOARDS, PANELS, CONSOLES, DESKS, CABINETS AND OTHER BASES, EQUIPPED WITH TWO OR MORE APPARATUS OF 8535 OR 8536, FOR ELECTRIC CONTROL OR THE DISTRIBUTION OF ELECTRICITY, INCLUDING THOSE INCORPORATING INSTRUMENTS OR APPARATUS OF CHAPTER 90, AND NUMERICAL CONTROL APPARATUS, OTHER THAN SWITCHING APPARATUS OF 8517:
8538 PARTS SUITABLE FOR USE SOLELY OR PRINCIPALLY WITH THE APPARATUS OF 8535, 8536 OR 8537:
8538.10.10 22 For programmable controllers Free
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