TPPM0301DR datasheet(3/12 Pages) TI

Nome de Peças	TPPM0301DR

Descrição Electrónicos	400-mA LOW-DROPOUT REGULATOR WITH AUXILIARY POWER MANAGEMENT

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Fabricante Electrônico	TI [Texas Instruments]

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TPPM0301

400-mA LOW-DROPOUT REGULATOR

WITH AUXILIARY POWER MANAGEMENT

SLVS315 – SEPTEMBER 2000

3

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

Table 1. Input Selection

INPUT VOLTAGE STATUS

(V)

INPUT SELECTED

OUTPUT

(V)

OUTPUT

(I)

5VCC

5VAUX

3.3VAUX

5VCC/5VAUX/3.3VAUX

3.3VOUT

IL (mA)

0

None

0

3.3

3.3VAUX

3.3

375

0

5

0

5VAUX

3.3

400

0

5

3.3

5VAUX

3.3

400

5

0

5VCC

3.3

400

5

0

3.3

5VCC

3.3

400

5

0

5VCC

3.3

400

5

3.3

5VCC

3.3

400

absolute maximum ratings over operating free-air temperature (unless otherwise noted)†

Supply voltage, 5-V main input, V(5VCC) (see Notes 1 and 2)

7 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Auxiliary voltage, 5-V input, V(5VAUX) (see Notes 1 and 2)

7 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Auxiliary voltage, 3.3-V input, V(3.3VAUX) (see Notes 1 and 2)

5 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.3-V output current limit, I(LIMIT)

1.5 A

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Continuous power dissipation, PD (see Note 3)

1 W

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Electrostatic discharge susceptibility, human body model, V(HBMESD)

2 kV

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating ambient temperature range, TA

0

°C to 70°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage temperature range, Tstg

–55

°C to 150°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating junction temperature range, TJ

–5

°C to 120°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Lead temperature (soldering, 10 second), T(LEAD)

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.

NOTES:

1. All voltage values are with respect to GND.

2. Absolute negative voltage on these terminal should not be below –0.5 V.

3. R

θJA must be less than 55°C/W, typically achieved with two square inches of copper printed circuit board area connected to the GND

terminals for heat dissipation or equivalent.

recommended operating conditions

MIN

TYP

MAX

UNIT

5-V main input, V(5VCC)

4.5

5.5

V

5-V auxiliary input, V(5VAUX)

4.5

5.5

V

3.3-V auxiliary input, V(3.3VAUX)

3

3.6

V

Load capacitance, CL

4.23

4.7

5.17

µF

Load current, IL

0

400

mA

Ambient temperature, TA

0

70

°C

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