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dc2583af

DEMO MANUAL DC2583A

schematic Diagram

37V - 57V

DEMO CIRCUIT 2583A

1.  ALL RESISTORS AND CAPACITORS ARE 0603 2.  ALL RESISTORS TOLERANCE RATING ARE 5%

NOTE 1: UNLESS OTHERWISE SPECIFIED

JUMPER SELECTIONS 

PD CLASS

 RCLASS JUMPERS

POWER

0

1

2

3

4

5

6

7

8

13W

3.84W

6.49W

13W

25.5W

40W

51W

62W

71W

JP1

JP3

JP5

JP7

JP9

JP11

JP13

JP15

JP17

JP2

JP4

JP6

JP8

JP10

JP12

JP14

JP16

JP18

RCLASS JUMPERS

USE VOUT+ AND VOUT- TERMINALS TO CONNECT TO A PWRGD ENABLED POWER SUPPLY ONLY.

USE VOUT+ AND LAB_TEST_VOUT- TERMINALS FOR LAB TESTING WITH ELECTRONIC OR RESISTIVE LOAD ONLY.  NOT NEEDED FOR FINAL CIRCUIT.

VPORTP

VPORTN

PWRGD

SIZE

DATE:

.V

ER

.O

CI

SHEET

OF

TITLE:

APPROVALS

PCB DES.

APP ENG.

TECHNOLOGY

Fax: (408)434-0507

Milpitas, CA 95035 Phone: (408)432-1900

1630 McCarthy Blvd.

LTC Confidential-For Customer Use Only

CUSTOMER NOTICE

LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION.  COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY.  CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.

THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND

SCHEMATIC

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

SCALE = NONE

www.linear.com

1

Wednesday, May 24, 2017

1

2

IEEE 802.3bt POWERED DEVICE

KAUNG H.

KAUNG H.

N/A

LT4294IDD, LT4321IUF

SIZE

DATE:

.V

ER

.O

CI

SHEET

OF

TITLE:

APPROVALS

PCB DES.

APP ENG.

TECHNOLOGY

Fax: (408)434-0507

Milpitas, CA 95035 Phone: (408)432-1900

1630 McCarthy Blvd.

LTC Confidential-For Customer Use Only

CUSTOMER NOTICE

LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION.  COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY.  CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.

THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND

SCHEMATIC

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

SCALE = NONE

www.linear.com

1

Wednesday, May 24, 2017

1

2

IEEE 802.3bt POWERED DEVICE

KAUNG H.

KAUNG H.

N/A

LT4294IDD, LT4321IUF

SIZE

DATE:

.V

ER

.O

CI

SHEET

OF

TITLE:

APPROVALS

PCB DES.

APP ENG.

TECHNOLOGY

Fax: (408)434-0507

Milpitas, CA 95035 Phone: (408)432-1900

1630 McCarthy Blvd.

LTC Confidential-For Customer Use Only

CUSTOMER NOTICE

LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION.  COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY.  CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.

THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND

SCHEMATIC

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

SCALE = NONE

www.linear.com

1

Wednesday, May 24, 2017

1

2

IEEE 802.3bt POWERED DEVICE

KAUNG H.

KAUNG H.

N/A

LT4294IDD, LT4321IUF

REVISION HISTORY

DESCRIPTION

DATE

APPROVED

ECO

REV

KAUNG H.

PRODUCTION

71-

42-

50

1

__

REVISION HISTORY

DESCRIPTION

DATE

APPROVED

ECO

REV

KAUNG H.

PRODUCTION

71-

42-

50

1

__

REVISION HISTORY

DESCRIPTION

DATE

APPROVED

ECO

REV

KAUNG H.

PRODUCTION

71-

42-

50

1

__

D2 PTVS58VP1UTP

2

1

JP14

RMPS

2W 2512

3.0K

R11 0

TP5

JP18

JP1

RC5 34.8

0805

1%

JP3

JP8

RC12 49.9

0805

1%

RC11 64.9

0805
1%

RC8 140

0805

1%

D1

PMEG10030ELPX

2

1

C3 47nF

X7R 100V 0805

R16

*

1%

0805

RCLS

R14 100K

RC6 1.00K

0805

1%

C1

0.047uF

100V 0603

JP15

TP1

E7

LAB_TEST_VOUT-

Q1

PSMN040-100MSE

6

4

5

8 7

1

2

3

JP2

Q11

PSMN040-100MSE

6

4

5

8

7

1 2 3

D3 LED

1

2

+

C4 22uF

100V

R19 30K

RC13 118

0805
1%

C2 OPT

0402

E2

VOUT-

RC3 76.8

0805

1%

RC7 37.4

0805
1%

E5

AUX+

R15 100K

TP3

RC2 140

0805

1%

JP5

R13 3.3K

JP6

R10 52.3K

U1

LT4294IDD

GND

1

AUX

2

RCLASS

3

+

4

GND

5

T2P

6

PWRGD

7

HSSRC

8

HSGATE

9

VPORT

10

GND

11

TP4

E1

VOUT+

JP13

R17

OPT

0805 1%

RCLS++

JP16

JP17

RC4 49.9

0805

1%

R9

1%

174K

JP10

RC10 76.8

0805

1%

E3

T2P

RC9

0805
1%

46.4

RC1 1.00K

0805

1%

JP4

E4

PWRGD

JP7

JP11

JP9

TP2

D4

MMSZ5242BS, 12V

2

1

R12 8.2

0805

E6

AUX-

JP12

+

RCLASS

PWRGD

VPORTN

RCLASS

+

PWRGD

Содержание INEAR TECHNOLOGY DC2583A

Страница 1: ...n isolated power supply The T2P output indicates the available power from the power sourcing L LT LTC LTM Linear Technology LTPoE and the Linear logo are registered trademarks of Analog Devices Inc All other trademarks are the property of their respective owners Board Photo equipment PSE to the downstream load This signal can be used to limit the load and prevent overloading the PSE The LT4321 con...

Страница 2: ...nd to End Performance Summary Specifications are at TA 25 C PARAMETER CONDITIONS MIN TYP MAX UNITS Port Voltage VPORT At RJ45 37 57 V Auxiliary Voltage From AUX to AUX Terminals 37 57 V Efficiency VPORT 48V IOUT 1 2A 99 2 T2P Switching Frequency 840 Hz Top Side Bottom Side LOAD CURRENT A 0 0 3 0 6 0 9 1 2 1 5 1 8 98 4 98 7 99 0 99 3 99 6 EFFICIENCY DC2583 F02 ...

Страница 3: ...compliant PSE see note to the RJ45 connector J1 of the DC2583A using a CAT5e or CAT6 Ethernet cable 5 After connection has been established verify that the LED D3 is lit This indicates the PSE has successfully detected and powered the PD 6 Verify T2P response with a digital multimeter or an oscilloscope The T2P response for the type of PSE connected to the DC2583A is provided in Table 2 Note An 80...

Страница 4: ...e 4 Setup Diagram for DC2583A with a Resistive or an Active Load Quick Start Procedure DC2583 F03 OPTO IEEE 802 3bt PSE LOAD RJ45 RJ45 CAT5e OR CAT6 CABLE VIN ENABLE PSE TYPE TO µP DC DC CONVERTER DC2583 F04 IEEE 802 3bt PSE RJ45 RJ45 CAT5e OR CAT6 CABLE USE LAB_TEST_VOUT CONNECTION FOR RESISTIVE OR ACTIVE LOAD RESISTIVE OR ACTIVE LOAD ...

Страница 5: ... its output voltage to 48V 4 Once the LED D3 on the DC2583A is lit check the outputvoltageusingavoltmeter Outputvoltageshould be within 37 57V 5 Verify T2P response with an oscilloscope as shown in Figure 5 The T2P response during auxiliary power operation is provided in Table 3 Figure 5 Setup Diagram for Auxiliary Supply Input LOAD DC2583 F05 OPTO VIN AUXILIARY DC POWER SUPPLY ENABLE PSE TYPE TO ...

Страница 6: ...8 2Ω 1 5W 5 0805 NIC NRC10J8R2TRF 15 1 R13 RES 3 3k 1 10W 5 0603 VISHAY CRCW06033K30JNEA 16 2 R14 R15 RES 100k 1 10W 5 0603 VISHAY CRCW0603100KJNEA 17 0 R16 R17 RES OPT 0805 OPT 18 2 RC1 RC6 RES 1 00k 1 8W 1 0805 VISHAY CRCW08051K00FKEA 19 2 RC2 RC8 RES 140Ω 1 8W 1 0805 VISHAY CRCW0805140RFKEA 20 2 RC3 RC10 RES 76 8Ω 1 8W 1 0805 VISHAY CRCW080576R8FKEA 21 2 RC4 RC12 RES 49 9Ω 1 8W 1 0805 VISHAY CR...

Страница 7: ...MSZ5242BS 7 F 5 7 E1 E2 E3 E4 E5 E6 E7 TURRET 0 094 MTG HOLE MILL MAX 2501 2 00 80 00 00 07 0 6 1 J2 CONN MOD JACK FEMALE 2 54mm 8 TERMINAL 1 PORT R A THRU HOLE STEWART CONNECTOR SS 7188S A NF 7 18 JP1 JP18 CONN HEADER 1X2 2mm SULLINS NRPN021PAEN RC 8 1 R19 RES 30k 1 10W 5 0603 VISHAY CRCW060330K0JNEA 9 1 RMPS1 RES 3 0k 2W 1 2512 TE CONNECTIVITY 35213K0FT 10 4 RT5 RT6 RT7 RT8 RES 75Ω 1 10W 5 0603 ...

Страница 8: ...CATIONS ENGINEERING FOR ASSISTANCE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SCHEMATIC SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS SCALE NONE www linear com 1 Wednesday May 24 2017 1 2 IEEE 802 3bt POWERED DEVICE KAUNG H KAUNG H N A LT4294IDD LT4321IUF SIZE DATE V E R O N C I SHEET OF TITLE APPROVALS PCB DES APP ENG TECHNOLOGY Fax 408 434 0507 Milpitas CA 95035 Phone 408 432 1900 1630...

Страница 9: ...Y APPLICATIONS ENGINEERING FOR ASSISTANCE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SCHEMATIC SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS SCALE NONE www linear com 1 Wednesday May 24 2017 2 2 IEEE 802 3bt POWERED DEVICE KAUNG H KAUNG H N A LT4294IDD LT4321IUF SIZE DATE V E R O N C I SHEET OF TITLE APPROVALS PCB DES APP ENG TECHNOLOGY Fax 408 434 0507 Milpitas CA 95035 Phone 408 432 19...

Страница 10: ...FOR ANY PARTICULAR PURPOSE EXCEPT TO THE EXTENT OF THIS INDEMNITY NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES The user assumes all responsibility and liability for proper and safe handling of the goods Further the user releases LTC from all claims arising from the handling or use of the goods Due to the open construction of the product it...

Страница 11: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Analog Devices Inc DC2583A ...

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