LP3984 datasheet(6/11 Pages) NSC

Part #	LP3984

Description	Micropower, 150mA Ultra Low-Dropout CMOS Voltage Regulator in Subminiature 4-I/O micro SMD Package

Download	11 Pages

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Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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6 / 11 page

Typical Performance Characteristics Unless otherwise specified, C

IN =COUT = 1 µF Tantalum, VIN

= 2.5 for 1.5, 1.8, and 2.0V options, V

IN =VOUT + 0.2V for output options higher than 2.5V, TA = 25˚C, Enable pin is tied to

V

IN.

Power Supply Rejection Ratio (V

IN = 3.5V)

Power Supply Rejection Ratio (V

IN = 3.5V)

20020403

20020404

Power Supply Rejection Ratio (V

IN = 3.5V)

Power Supply Rejection Ratio (LP3984-1.5, V

IN = 2.5V)

20020420

20020419

20020409

FIGURE 2. PSRR Input Perturbation

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