LM27341, LM27342, LM27341Q, LM27342Q

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SNVS497D – NOVEMBER 2008 – REVISED FEBRUARY 2010

Absolute Maximum Ratings

(1) (2)

AVIN, PVIN

-0.5V to 24V

SW Voltage

-0.5V to 24V

Boost Voltage

-0.5V to 28V

Boost to SW Voltage

-0.5V to 6.0V

FB Voltage

-0.5V to 3.0V

SYNC Voltage

-0.5V to 6.0V

EN Voltage

Storage Temperature Range

−65°C to +150°C

Junction Temperature

150°C

2kV

Soldering Information

Infrared Reflow (5sec)

260°C

(1)

Absolute Maximum Ratings indicate limits beyond which damage to the device may occur, including inoperability and degradation of

device reliability and/or performance. Functional operation of the device and/or non-degradation at the Absolute Maximum Ratings or

other conditions beyond those indicated in the recommended Operating Ratings is not implied. The recommended Operating Ratings

indicate conditions at which the device is functional and should not be operated beyond such conditions.

(2)

If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and

specifications.

(3)

Human body model, 1.5 k

Ω in series with 100 pF.

Operating Ratings

(1)

AVIN, PVIN

3V to 20V

SW Voltage

-0.5V to 20V

Boost Voltage

-0.5V to 24V

Boost to SW Voltage

3.0V to 5.5V

Junction Temperature Range

−40°C to +125°C

Thermal Resistance (

(2)

33°C/W

Thermal Resistance (

(2)

45°C/W

(1)

Absolute Maximum Ratings indicate limits beyond which damage to the device may occur, including inoperability and degradation of

device reliability and/or performance. Functional operation of the device and/or non-degradation at the Absolute Maximum Ratings or

other conditions beyond those indicated in the recommended Operating Ratings is not implied. The recommended Operating Ratings

indicate conditions at which the device is functional and should not be operated beyond such conditions.

(2)

packages soldered directly onto a 3” x 3” PC board with 2oz. copper on 4 layers in still air.

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