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TPS23754PWPR Datasheet(PDF) 13 Page - Texas Instruments

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Part # TPS23754PWPR
Description  High Power/High Efficiency PoE Interface and DC/DC Controller
PDF  41 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS23754PWPR Datasheet(HTML) 13 Page - Texas Instruments

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TJ -Junction Temperature- °C
0
500
1000
1500
2000
2500
3000
−40
−20
0
20
40
60
80
100
120
G005
VVC =12V
GATEandGAT2Open
937kHz
484kHz
100kHz
50kHz
VCTL =0V
245kHz
VC − ControllerBiasVoltage − V
0
500
1000
1500
2000
2500
3000
3500
9
10
11
12
13
14
15
16
17
18
G006
TJ =25°C
GATEandGAT2Open
484kHz
50kHz
VCTL =0V
937kHz
245kHz
100kHz
−40
−20
0
20
40
60
80
100
120
TJ -Junction Temperature- °C
0
100
200
300
400
500
600
G007
900
800
700
600
1000
1100
1200
RFRS =69.8kΩ (245kHz)
RFRS =173kΩ (100kHz)
RFRS =347kΩ (50kHz)
RFRS =34.6kΩ (484kHz)
RFRS =17.35kΩ (937kHz)
6
8
10
12
14
18
V − ControllerBiasVoltage − V
C
0
1500
16
500
4000
1000
2000
2500
3000
3500
GATE,GAT2open
T =25 C
J
o
960kHz
480kHz
250kHz
100kHz
50kHz
V
=0V
CTL
TPS23754
TPS23754-1
TPS23756
www.ti.com ....................................................................................................................................................... SLVS885B – OCTOBER 2008 – REVISED MAY 2009
TYPICAL CHARACTERISTICS (continued)
CONTROLLER BIAS CURRENT
'754 CONTROLLER BIAS CURRENT
vs
vs
TEMPERATURE
VOLTAGE
Figure 9.
Figure 10.
'756 CONTROLLER BIAS CURRENT
SWITCHING FREQUENCY
vs
vs
VOLTAGE
TEMPERATURE
Figure 11.
Figure 12.
Copyright © 2008–2009, Texas Instruments Incorporated
Submit Documentation Feedback
13
Product Folder Link(s): TPS23754 TPS23754-1 TPS23756



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