LM25010

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SNVS419C – DECEMBER 2005 – REVISED DECEMBER 2008

Pin Descriptions (continued)

Pin Number

Name

Description

Application Information

LLP-10

TSSOP-14

9

12

VCC

Output of the bias regulator

0.47 µF, or larger capacitor from VCC to ground, as

close as possible to the pins. An external voltage can

be applied to this pin to reduce internal dissipation if

10

13

VIN

Input supply voltage

Nominal input range is 6V to 42V. Input bypass

capacitors should be located as close as possible to

the VIN pin and RTN pins.

1,7,8,14

NC

No connection.

No internal connection. Can be connected to ground

plane to improve heat dissipation.

EP

Exposed Pad

Exposed metal pad on the underside of the device. It

is recommended to connect this pad to the PC board

ground plane to aid in heat dissipation.

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.

Absolute Maximum Ratings

(1)

VIN to RTN

-0.3V to 45V

BST to RTN

-0.3V to 59V

SW to RTN (Steady State)

-1.5V

BST to VCC

45V

BST to SW

14V

VCC to RTN

-0.3V to 14V

SGND to RTN

-0.3V to +0.3V

SS to RTN

-0.3V to 4V

VIN to SW

45V

All Other Inputs to RTN

-0.3V to 7V

Human Body Model

2kV

Storage Temperature Range

-65°C to +150°C

260°C

(1)

Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions under which

operation of the device is intended to be functional. For guaranteed specifications and test conditions, see the Electrical Characteristics.

(2)

The human body model is a 100pF capacitor discharged through a 1.5k

Ω resistor into each pin.

(3)

For detailed information on soldering plastic TSSOP and LLP packages refer to the Packaging Data Book available from National

Semiconductor Corporation.

Operating Ratings

(1)

VIN Voltage

6.0V to 42V

Junction Temperature

LM25010/LM25010Q1

−40°C to + 125°C

LM25010Q0

−40°C to + 150°C

(1)

Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions under which

operation of the device is intended to be functional. For guaranteed specifications and test conditions, see the Electrical Characteristics.

Copyright © 2005–2008, Texas Instruments Incorporated

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