TPS23756PWP datasheet(9/45 Pages) TI1

Part #	TPS23756PWP

Description	High-Power/High-Efficiency PoE Interface and DC-DC Controller

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Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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9 / 45 page

5

10

15

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35

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50

60

V

− V

VDD1-RTN

0

1

2

6

55

20

45

3

4

5

T =-40 C

J

o

V

=

VC

8.6V

T =25 C

J

o

T =125 C

J

o

5

10

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35

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60

V

− V

VDD1-RTN

0

1

2

6

55

20

45

3

4

5

T =-40 C

J

o

V

=13.9

VC

V

T =25 C

J

o

T =125 C

J

o

TJ − Junction Temperature − °C

20

40

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160

−40

−20

0

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G003

CVC = 22 µF

VVDD1 = 35 V

VVDD1 = 19.2 V

−40

−20

0

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TJ -Junction Temperature- C

o

20

100

140

160

CVC =22 F

m

VVDD1 =10.2V

VVDD1 =35V

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40

(VVDD − VVSS) − PoE Voltage − V

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0

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G001

−40

°C

25

°C

125

°C

TJ − Junction Temperature − °C

910

920

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940

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960

970

−40

−20

0

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120

G002

Pulsed Current Measurement

TPS23754, TPS23754-1, TPS23756

www.ti.com

SLVS885H – OCTOBER 2008 – REVISED OCTOBER 2015

6.8 Typical Characteristics

Figure 2. Detection Bias Current vs Voltage

Figure 3. PoE Current Limit vs Temperature

Figure 5. '756 Converter Start Time vs Temperature

Figure 4. '754 Converter Start Time vs Temperature

Figure 6. '754 Converter Start-Up Current vs VVDD1

Figure 7. '756 Converter Start-Up Current vs VVDD1

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Product Folder Links: TPS23754 TPS23754-1 TPS23756

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TPS23756PWP Datasheet(PDF) 9 Page - Texas Instruments

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