www.ti.com

ABSOLUTE MAXIMUM RATINGS

DISSIPATION RATINGS

RECOMMENDED OPERATING CONDITIONS

TPS65050, TPS65051, TPS65052

TPS65054, TPS65056

SLVS710 – JANUARY 2007

These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam

during storage or handling to prevent electrostatic damage to the MOS gates.

ORDERING INFORMATION

PART

OUTPUT CURRENT

PACKAGE

OPTION

NUMBER

for DC/DC CONVERTERS

MARKING

LDO voltages according to Table 1

TPS65050

2 x 600 mA

65050

DC/DC converters externally adjustable

LDO voltages externally adjustable

DCDC1 = 1 A

TPS65051

65051

DC/DC converters externally adjustable

DCDC2 = 600 mA

LDO voltages according to Table 1

DCDC1 = 1 A

TPS65052

65052

DCDC1 = 3.3 V; DCDC2 = 1 V / 1.3 V

DCDC2 = 600 mA

-40

°C to 85°C

RSM

LDO voltages externally adjustable

TPS65054

DCDC1 = externally adjustable

2 x 600 mA

65054

DCDC2 = 1.3 V / 1.05 V

LDO voltages externally adjustable

DCDC1 = 1A

TPS65056

DCDC1 = 3.3 V

65056

DCDC2 = 600 mA

DCDC2 = 1.0 V / 1.3 V

(1)

The RSM package is available in tape and reel. Add the R suffix (TPS65050RSMR) to order quantities per reel. Add the T suffix

(TPS65050RSMT) to order quantities of 250 parts per reel.

(2)

For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI

Web site at www.ti.com.

UNITS

Input voltage range on all pins except AGND, PGND, and EN_LDO1 pins with

-0.3 V to 7 V

respect to AGND

Input voltage range on EN_LDO1 pins with respect to AGND

Current at VINDCDC1/2, L1, PGND1, L2, PGND2

1800 mA

Current at all other pins

1000 mA

Continuous total power dissipation

See the dissipation rating table

Operating free-air temperature

–40

°C to 85°C

Maximum junction temperature

125

°C

Storage temperature range

–65

°C to 150°C

(1)

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.

POWER RATING

DERATING FACTOR

POWER RATING

POWER RATING

PACKAGE

(1)

RSM

58 K/W

1.7 W

17 mW/K

0.95 W

0.68 W

(1)

The thermal resistance junction to case of the RSM package is 4 K/W measured on a high K board

over operating free-air temperature range (unless otherwise noted)

MIN

NOM

MAX

UNIT

Input voltage range for step-down converters, VINDCDC1/2

2.5

6

V

Output voltage range for step-down converter, VDCDC1

0.6

VINDCDC1/2

V

Output voltage range for step-down converter, VDCDC2

0.6

VINDCDC1/2

V

Input voltage range for LDOs, VINLDO1, VINLDO2, VINLDO3/4

1.5

6.5

V

2

Submit Documentation Feedback