TPS2140 datasheet(6/33 Pages) TI1

No de pièce	TPS2140

Description	ADJUSTABLE LDO AND SWITCH WITH DUAL CURRENT LIMIT FOR USB

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Fabricant	TI1 [Texas Instruments]

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TPS2140, TPS2141

TPS2150, TPS2151

SLVS399A − JANUARY 2002 − REVISED MAY 2006

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

Input voltage, VI

VI(SW_EN) or VI(/SW_EN), VI(LDO_EN)

0

5.5

V

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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