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TPS2500 датащи(PDF) 14 Page - Texas Instruments

номер детали TPS2500
подробное описание детали  INTEGRATED USB POWER SWITCH WITH BOOST CONVERTER
PDF  43 Pages
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производитель  TI2 [Texas Instruments]
домашняя страница  https://www.ti.com
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TPS2500 датащи(HTML) 14 Page - Texas Instruments

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VIN − Input Voltage − V
500
750
1000
1250
1500
1750
2000
2250
2500
1.75
2.25
2.75
3.25
3.75
4.25
4.75
5.25
G002
Typical
Conservative
250 kHz
1 MHz
TPS2500, TPS2501
SLVS886C – OCTOBER 2008 – REVISED AUGUST 2010
www.ti.com
typical plot assumes nominal conditions—2.2 mH inductor, 1-MHz/250-kHz switching frequency, nominal
MOSFET on-resistances. The conservative plot assumes more pessimistic conditions—1.7 mH inductor,
925-kHz/230-kHz switching frequency, and maximum MOSFET on-resistances. The graph accounts for the
frequency change from 1-MHz to 250-kHz when VIN > VLFM (4.35 V typical) and for the no-frequency mode when
VIN > VNFM (5.05 V typical), which explains the discontinuities of the graph.
Table 2. Maximum Total DC/DC Current (IAUX + IUSB) at Common Input Voltages
Maximum Total Output Current (IAUX + IUSB)
Input Voltage (V)
Conservative (mA)
Typical (mA)
1.8
599
757
2.5
916
1113
2.7
1008
1216
3
1148
1374
3.3
1308
1536
3.6
1445
1704
4.35
1241
1730
4.5
1364
1858
4.75
1593
2093
5.05
2300
2300
5.25
2300
2300
SPACE ADDED
SPACE ADDED
SPACE ADDED
MAXIMUM TOTAL (AUXILIARY + USB) CURRENT
vs
INPUT VOLTAGE
Figure 12. Maximum Total DC/DC Current vs. Input Voltage
14
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Product Folder Link(s): TPS2500 TPS2501



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