LTC9101-2/LTC9102

40

Rev. 0

For more information www.analog.com

TYPICAL APPLICATIONS

1

2

3

4

5

6

7

8

RJ45

1000pF

2kV

75

CT48

75

CT47

CT46

75

75

CT45

S1B

1

2

3

4

5

6

7

8

RJ45

1000pF

2kV

75

CT4

75

CT3

CT2

75

75

REPEAT CONFIGURATION AND CONNECTIONS FOR ALL 2-PAIR PORTS

CT1

Q1

S1B

0.1F

100V

PORT 12

DATA AND

2-PAIR POWER OUT

PORT 1

DATA AND

2-PAIR POWER OUT

CPA

CNA

DPA

DNA

AGND

LTC9102

SENSE12

VSSK12

GATE12

OUT12

SENSE1

VSSK1

GATE1

OUT1

VEE

VEE

VEE

T1, T12: WURTH 7490220121

COILCRAFT ETH1-460L

CT1 TO CT48: 0.01F, 200V

Q1 TO Q12: NXP PSMN075-100MSE

T1

T12

Q12

RS12

0.1

1/10W

RS1

0.1

1/10W

0.1F

100V

VEE

9101-2 F32

Figure 32. Alternative A (MDI-X) and B (S), 4-Pair, 1000Base-T, IEEE 802.3bt, Type 3 or Type 4 PSE, Ports 1 and 6 Shown