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TPS2140 Fiches technique(PDF) 6 Page - Texas Instruments

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No de pièce TPS2140
Description  ADJUSTABLE LDO AND SWITCH WITH DUAL CURRENT LIMIT FOR USB HIGH-POWER PERIPHERAL POWER MANAGEMENT
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

TPS2140 Fiches technique(HTML) 6 Page - Texas Instruments

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TPS2140, TPS2141
TPS2150, TPS2151
SLVS399 – JANUARY 2002
6
www.ti.com
absolute maximum ratings over operating free-air temperature (unless otherwise noted)
Input voltage range for bus switch and LDO: VI(SW_IN)
–0.3 V to 6 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VI(LDO_IN)
–0.3 V to 6 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output voltage range for bus switch and LDO:VO(SW_OUT)
–0.3 V to 6 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VO(LDO_OUT)
–0.3 V to 6 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range for pulldown transistors:
VI(SW_PLDN) ,VI(LDO_PLDN)
–0.3 V to 6 V
. . . . . . . . . . . . . . . . . . . . .
Logic input/output voltage range:
VI(SW_EN) or VI(/SW_EN), VI(LDO_EN), VI(ADJ), VI(SW_PG),
VI(LDO_PG)
–0.3 V to 6 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous total power dissipation
See Dissipation Rating Table
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output current for bus switch and LDO: IO(SW_OUT)
Internally Limited
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IO(LDO_OUT)
Internally Limited
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sink current for pulldown switches:
II(SW_PLDN)
0 mA to 30 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
II(LDO_PLDN)
0 mA to 30 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output current for logic outputs:
IO(SW_PG)
–10 mA to 10 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IO(LDO_PG)
0 mA to 10 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating virtual junction temperature range, TJ
–40
°C to 125°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
–65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
260
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
DISSIPATION RATING TABLE
PACKAGE
TA ≤ 25°C
POWER RATING
DERATING FACTOR
ABOVE TA = 25°C
TA = 70°C
POWER RATING
TA ≤ 85°C
POWER RATING
PWP-14
2266.7 mW
26.7 mW/
°C
1066.7 mW
666.7 mW
NOTE: This device is mounted on an JEDEC low-k board (2 oz traces on surface), 1 W power applied
with no air flow.
recommended operating conditions
MIN
MAX
UNIT
VI(SW_IN), TPS2140 and TPS2150
2.7
5.5
VI(SW_IN), TPS2141 and TPS2151
4.1
5.5
Input voltage, VI
VI(LDO_IN)
2.7
5.5
V
g
I
VI(SW_EN) or VI(/SW_EN), VI(LDO_EN)
0
5.5
VI(SW_PLDN), VI(LDO_PLDN)
0
5.5
Output current IO
IO(SW_OUT) at TJ = 110°C
0.6
A
Output current, IO
IO(LDO_OUT) at TJ =110°C
0.25‡
A
Operating virtual junction temperature, TJ
–40
110
°C
‡ Assuming the power dissipation does not exceed the device’s thermal limit. Refer to the power dissipation and junction temperature section for
the power dissipation calculation.


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