LM34914

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SNVS453B – MAY 2006 – REVISED MARCH 2013

Absolute Maximum Ratings

(1) (2)

VIN to RTN

44V

BST to RTN

52V

SW to RTN (Steady State)

-1.5V

BST to VCC

44V

VIN to SW

44V

BST to SW

14V

VCC to RTN

14V

SGND to RTN

-0.3V to +0.3V

Current out of ISEN

See text

SS to RTN

-0.3V to 4V

All Other Inputs to RTN

-0.3 to 7V

Human Body Model

2kV

Storage Temperature Range

-65°C to +150°C

JunctionTemperature

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 specifications and test conditions, see Electrical Characteristics.

(2)

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

specifications.

(3)

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

Ω resistor into each pin.

Operating Ratings

(1)

VIN Voltage

8.0V to 40V

Junction Temperature

−40°C to + 125°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 specifications and test conditions, see Electrical Characteristics.

Electrical Characteristics

to +125°C. Minimum and Maximum limits are specified through test, design, or statistical correlation. Typical values represent

Symbol

Parameter

Conditions

Min

Typ

Max

Units

Vin > 9V

6.6

7.0

7.4

V

1.3

V

155

Ω

(0 mA

0.16

(3)

11

mA

5.7

V

threshold

150

mV

100 mV overdrive

3

µs

Non-switching, FB = 3V

0.57

0.85

mA

RON/SD = 0V

80

160

µA

(1)

For detailed information on soldering plastic WSON packages, visit www.ti.com/packaging.

(2)

Typical specifications represent the most likely parametric norm at 25°C operation.

(3)

Copyright © 2006–2013, Texas Instruments Incorporated

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