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ABSOLUTE MAXIMUM RATINGS

(1)

DISSIPATION RATINGS

RECOMMENDED OPERATING CONDITIONS

TPS65021

SLVS613 – OCTOBER 2005

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

–40

°C to 85°C

40 pin QFN (RHA)

TPS65021RHA

(1)

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.

(2)

The RHA package is available in tape and reel. Add the R suffix (TPS65021RHAR) to order quantities of 2500 parts per reel. Add the T

suffix (TPS65021RHAT) to order quantities of 250 parts per reel.

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

VALUE

UNIT

Input voltage range on all pins except AGND and PGND pins with respect to AGND

–0.3 to 7

V

Current at VINDCDC1, L1, PGND1, VINDCDC2, L2, PGND2, VINDCDC3, L3, PGND3

2000

mA

Peak Current at all other pins

1000

mA

Continuous total power dissipation

See Dissipation Rating Table

Operating free-air temperature

–40 to 85

°C

Maximum junction temperature

125

°C

–65 to 150

°C

Lead temperature 1,6 mm (1/16-inch) from case for 10 seconds

260

°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

DERATING FACTOR

PACKAGE

POWER RATING

POWER RATING

POWER RATING

2.85 W

28 mW/

°C

1.57 W

1.4 W

(1)

The thermal resistance junction to ambient of the RHA package is 35

°C/W measured on a high K board.

(2)

The thermal resistance junction to case (exposed pad) of the RHA package is 5

°C/W

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

MIN

NOM

MAX

UNIT

Input voltage range step-down convertors

2.5

6

V

(VINDCDC1, VINDCDC2, VINDCDC3)

0.6

VINDCDC1

0.6

VINDCDC2

V

0.6

VINDCDC3

Input voltage range for LDOs (VINLDO1, VINLDO2)

1.5

6.5

V

Output voltage range for LDOs (VLDO1, VLDO2)

1

VINLDO1-2

V

Output current at L1

1200

mA

2.2

3.3

µH

10

µF

10

22

µF

Output current at L2

1000

mA

(1)

When using an external resistor divider at DEFDCDC3, DEFDCDC2, DEFDCDC1

(2)

See applications section for more information.

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