LM5110-1M datasheet(11/13 Pages) NSC

Part #	LM5110-1M

Description	Dual 5A Compound Gate Driver with Negative Output Voltage Capability

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Manufacturer	NSC [National Semiconductor (TI)]

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Thermal Performance (Continued)

S

(on) of the LM5110 output at T

J(max) is 2.5

Ω, this equation

yields I

SINK(max) of 391mA which is much smaller than 5A

peak pulsed currents.

Similarly, the maximum continuous source current can be

calculated as

where V

DIODE is the voltage drop across hybrid output stage

which varies over temperature and can be assumed to be

about 1.1V at T

J(max) of 125˚C. Assuming the same param-

eters as above, this equation yields I

SOURCE(max) of 347mA.

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