TPPM0302 datasheet(3/12 Pages) TI

3 / 12 page

TPPM0302

400-mA LOW-DROPOUT REGULATOR

WITH AUXILIARY POWER MANAGEMENT AND POK

SLVS316 – NOVEMBER 2000

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)

None

3.3

3.3VAUX

3.3

375

5VAUX

3.3

400

3.3

5VAUX

3.3

400

5VCC

3.3

400

3.3

5VCC

3.3

400

5VCC

3.3

400

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)

1.36 W

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

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

2 kV

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

Operating ambient temperature range, TA

°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. Refer to the Thermal Information Section.

recommended operating conditions

MIN

TYP

MAX

UNIT

5-V main input, V(5VCC)

4.5

5.5

5-V auxiliary input, V(5VAUX)

4.5

5.5

3.3-V auxiliary input, V(3.3VAUX)

3.6

Load capacitance, CL

4.23

4.7

5.17

µF

Load current, IL

400

Ambient temperature, TA

°C

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