LM4879ITLSLASHNOPB datasheet(4/32 Pages) TI1

4 / 32 page

LM4879, LM4879MMBD, LM4879SDBD

SNAS142G – SEPTEMBER 2001 – REVISED MAY 2013

www.ti.com

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) (2)

Supply Voltage(3)

6.0V

Storage Temperature

−65°C to +150°C

Input Voltage

−0.3V to VDD +0.3V

Power Dissipation(4)(5)

Internally Limited

ESD Susceptibility(6)

2000V

ESD Susceptibility(7)

200V

Junction Temperature

150°C

θJA (YPB0008)

220°C/W(8)

θJA (NGT0008A)

64°C/W(9)

θJA (YZR0009AAA)

180°C/W(8)

Thermal Resistance

θJA (BLA09AAB)

180°C/W(8)

θJC (DGS0010A)

56°C/W

θJA (DGS0010A)

190°C/W

(1)

Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for

which the device is functional, but do not ensure specific performance limits. Electrical Characteristics state DC and AC electrical

specifications under particular test conditions which ensure specific performance limits. This assumes that the device is within the

Operating Ratings. Specifications are not ensured for parameters where no limit is given, however, the typical value is a good indication

of device performance.

(2)

If Military/Aerospace specified devices are required, please contact the TI Sales Office/ Distributors for availability and specifications.

(3)

If the product is in shutdown mode, and VDD exceeds 6V (to a max of 8V VDD), then most of the excess current will flow through the

ESD protection circuits. If the source impedance limits the current to a max of 10ma, then the part will be protected. If the part is

enabled when VDD is above 6V, circuit performance will be curtailed or the part may be permanently damaged.

(4)

The maximum power dissipation must be derated at elevated temperatures and is dictated by TJMAX, θJA, and the ambient temperature

TA. The maximum allowable power dissipation is PDMAX = (TJMAX–TA)/θJA or the number given in Absolute Maximum Ratings, whichever

is lower. For the LM4879, see power derating curves for additional information.

(5)

Maximum power dissipation (PDMAX) in the device occurs at an output power level significantly below full output power. PDMAX can be

calculated using Equation 2 shown in the APPLICATION INFORMATION section. It may also be obtained from the power dissipation

graphs.

(6)

Human body model, 100pF discharged through a 1.5k

Ω resistor.

(7)

Machine Model, 220pF–240pF discharged through all pins.

(8)

All bumps have the same thermal resistance and contribute equally when used to lower thermal resistance.

(9)

The stated

θJA is achieved when the WSON package's DAP is soldered to a 4in

2 copper heatsink plain.

OPERATING RATINGS

Temperature Range TMIN ≤ TA ≤ TMAX

−40°C ≤ TA ≤ 85°C

Supply Voltage

2.2V

≤ VDD ≤ 5.5V

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