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TPS2350D Datasheet(PDF) 8 Page - Texas Instruments

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No. de Pieza. TPS2350D
Descripción  HOT SWAP POWER MANAGER FOR REDUNDANT-48-V SUPPLIES
Descarga  21 Pages
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Fabricante  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS2350D Datasheet(HTML) 8 Page - Texas Instruments

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TPS2350
SLUS574A − JULY 2003 − REVISED SEPTEMBER 2003
8
www.ti.com
TYPICAL CHARACTERISTICS
−40
−15
10
35
60
85
0
20
40
80
100
60
Figure 5
GATx SINK CURRENT
vs
AMBIENT TEMPERATURE
TA − Ambient Temperature − °C
GATB Output
V(RTN) =V(−VINB) =0V
V(−VINA) = −48 V
VOUT(GATB) = −41 V
GATA Output
V(RTN) =V(−VINA) =0V
V(−VINB) = −48 V
VOUT(GATA) = −41 V
Figure 6
SUPPLY CURRENT
vs
AMBIENT TEMPERATURE
TA − Ambient Temperature − °C
−40
−15
10
35
60
85
0
300
600
1200
1500
900
V(−VINA) =−80V
V(−VINA) =−48V
V(−VINA) =−20V
V(−VINA) =−12V
V(RTN) = V(−VINB) = 0 V
−40
1.39
1.38
−15
10
35
60
85
1.40
1.41
1.42
Figure 7
VOLTAGE COMPARATOR THRESHOLDS
vs
AMBIENT TEMPERATURE
TA − Ambient Temperature − °C
UV Comparator
−48 V
≤ V(−VINA) ≤ −20 V
OV Comparator
V(−VINA) = −80 V
V(RTN) =V(−VINB) =0V
Relative to −VINA
Figure 8
UNDERVOLTAGE PULL-UP CURRENT
vs
AMBIENT TEMPERATURE
TA − Ambient Temperature − °C
−15
10
35
60
85
−40
−−10.6
−11.0
−10.2
−9.4
−9.0
−9.8
V(RTN) = V(−VINB) = 0 V
−48 V
≤ V(−VINA) ≤ −20 V
VIN(UV) −VIN(SOURCE)=2.5V


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