LM2698 datasheet(4/25 Pages) TI

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LM2698

SNVS153E – MAY 2001 – REVISED APRIL 2013

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Absolute Maximum Ratings

(1)

VIN

−0.3V ≤ VIN ≤ 12V

SW Voltage

−0.3V ≤ VSW ≤ 18V

FB Voltage

−0.3V ≤ VFB ≤ 7V

VC Voltage

0.965 < VC < 1.565

SHDN Voltage(2)

−0.3V ≤ VSHDN ≤ 7V

FSLCT(2)

−0.3V ≤ VFSLCT ≤ 12V

Maximum Junction Temperature

150°C

Power Dissipation (3)

Internally Limited

Lead Temperature

300°C

Vapor Phase (60 sec.)

215°C

Infrared (15 sec.)

220°C

ESD Susceptibility(4)

Human Body Model(5)

2kV

Machine Model

200V

(1)

Absolute maximum ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions for which the

device is intended to be functional, but device parameter specifications may not be specified. For assured specifications and test

conditions, see the Electrical Characteristics.

(2)

Shutdown and voltage frequency select should not exceed VIN.

(3)

The maximum allowable power dissipation is a function of the maximum junction temperature, TJ(MAX), the junction-to-ambient thermal

resistance,

θJA, and the ambient temperature, TA. See the Electrical Characteristics table for the thermal resistance of various layouts.

The maximum allowable power dissipation at any ambient temperature is calculated using: PD (MAX) = (TJ(MAX) − TA)/θJA. Exceeding

the maximum allowable power dissipation will cause excessive die temperature, and the regulator will go into thermal shutdown.

(4)

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

Ω resistor into each pin. The machine model is a 200pF

capacitor discharged directly into each pin.

(5)

ESD susceptibility using the human body model is 500V for VC.

Operating Conditions

Operating Junction Temperature Range(1)

−40°C to +125°C

Storage Temperature

−65°C to +150°C

Supply Voltage

2.2V to 12V

SW Voltage

≤ VSW ≤ 17.5V

(1)

All limits are specified at room temperature (standard typeface) and at temperature extremes (bold typeface). All room temperature limits

are 100% tested or specified through statistical analysis. All limits at temperature extremes are specified via correlation using standard

Statistical Quality Control (SQC) methods. All limits are used to calculate Average Outgoing Quality Level (AOQL).

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