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RECOMMENDED OPERATING CONDITIONS

TPS650240

,, TPS650241

TPS650242, TPS650243

TPS650244, TPS650245

SLVS774A – JUNE 2007 – REVISED DECEMBER 2007

MIN

NOM

MAX

UNIT

2.5

6.0

V

Input voltage range step-down converters

0.6

V

0.6

V

Output voltage range for core step-down converter

0.9

1.5

V

Input voltage range for LDOs

1.5

6.5

V

Output voltage range for LDOs

1.0

V

Output current at L1

1600

mA

L1

1.5

2.2

µH

(2)

10

µF

(2)

10

22

µF

Output current at L2

1600

mA

L2

1.5

2.2

µH

(2)

10

µF

(2)

10

22

µF

Output current at L3

800

mA

L3

1.5

2.2

µH

(2)

10

µF

(2)

10

22

µF

1

µF

1

µF

2.2

µF

Output current at VLDO1, VLDO2

200

mA

2.2

µF

Output current at Vdd_alive

30

mA

Operating ambient temperature

–40

85

°C

Operating junction temperature

–40

125

°C

1

10

Ω

(1)

When using an external resistor divider at DEFDCDC2, DEFDCDC1.

(2)

See applications section for more information, for Vout > 2.85V choose 3.3

µH inductor.

(3)

Up to 2.5mA can flow into Vcc when all 3 converters are running in PWM, this resistor will cause the UVLO threshold to be shifted

accordingly.

Copyright © 2007, Texas Instruments Incorporated

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