LT4295 datasheet(50/50 Pages) AD

50 / 50 page

LTC9101-1/

LTC9102/LTC9103

Rev. 0

For more information www.analog.com



ANALOG DEVICES, INC. 2021

11/21

www.analog.com

RELATED PARTS

TYPICAL APPLICATION

PART NUMBER DESCRIPTION

COMMENTS

LTC4292/

LTC4291-1

4-Port IEEE 802.3bt PoE PSE Controller

Transformer Isolation, 14-bit Current Monitoring per Port with Programmable Current

Limit, Supports Type 1-4 PDs

LT4293

LTPoE++/IEEE 802.3bt PD Interface

Controller

External Switch, LTPoE++ and IEEE 802.3bt Support, Configurable Class and AUX Support

LT4294

IEEE 802.3bt PD Controller

External Switch, IEEE 802.3bt Support, Configurable Class and AUX Support

LT4295

IEEE 802.3bt PD with Forward/Flyback

Switching Regulator Controller

External Switch, IEEE 802.3bt Support, Configurable Class, Forward or No-Opto Flyback

Operation, Frequency, PG/SG Delays, Soft-Start, and Aux Support as Low as 9V, Including

Housekeeping Buck, Slope Compensation

LTC4290/

LTC4271

8-Port PoE/PoE+/LTPoE++ PSE Controller

Transformer Isolation, Supports IEEE 802.3af, IEEE 802.3at and LTPoE++ PDs

LTC4257-1

IEEE 802.3af PD Interface Controller

Internal 100V, 400mA Switch, Dual Current Limit, Programmable Class

LTC4263

Single IEEE 802.3af PSE Controller

Internal FET Switch

LTC4265

IEEE 802.3at PD Interface Controller

Internal 100V, 1A Switch, 2-Event Classification Recognition

LTC4266

Quad IEEE 802.3at PoE PSE Controller

With Programmable ICUT/ILIM, 2-Event Classification, and Port Current and Voltage Monitoring

LTC4267

IEEE 802.3af PD Interface with Integrated

Switching Regulator

Internal 100V, 400mA Switch, Dual Inrush Current, Programmable Class

LTC4270/

LTC4271

12-Port PoE/PoE+/LTPoE++® PSE Controller Transformer Isolation, Supports Type 1, Type 2 and LTPoE++ PDs

LTC4278

IEEE 802.3at PD Interface with Integrated

Flyback Switching Regulator

2-Event Classification, Programmable Class, Synchronous No-Opto Flyback Controller,

50kHz to 250kHz, 12V Aux Support

LTC4279

Single PoE/PoE+/LTPoE++ PSE Controller

Supports IEEE 802.3af, IEEE 802.3at, LTPoE++ and Proprietary PDs

IEEE 802.3bt Type 3 or Type 4 PSE, Alternative A (MDI-X) and B (S), 1000BASE-T, 1 Port Shown

VEE

>47µF

0.1µF

100V

S1B

0.1µF

1µF

100V

CPA

CNA

DPA

DNA

VEE

SENSE1

GATE1

AGND

LTC9102/LTC9103

1000BASE-T

OUT1

SENSE2

VSSK2

GATE2

OUT2

TX1

TX2

TX3

TX4

RJ45

ID0

ID1

VEE

MSD

SCL

SDAIN

CFG2

CFG1

CFG0

DGND

DPD

CND

VDD

LTC9101-1

CPD

DND

ISOLATION

AD2

AD3

SDAOUT

RESET

INT

3.3V

(NO I2C

ISOLATION

REQUIRED)

VEE

PORT 1

D1: SMCJ58A

D2: SMAJ58A

0.1

PSMN040-100MSE

VEE

VSSK1

0.1

PSMN040-100MSE

0.1µF

100V

S1B

1000pF

2kV

HIGH-

SPEED

DATA

INTERFACE

9101123 TA02

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