LP3999 datasheet(8/15 Pages) NSC

Part #	LP3999

Description	Low Noise 150mA Voltage Regulator for RF/Analog Applications

PDF	15 Pages

Scroll/Zoom	100%

Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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8 / 15 page

Electrical Characteristics (Continued)

Note 13: All limits are guaranteed. All electrical characteristics having room-temperature limits are tested during production at TJ = 25˚C or correlated using

Statistical Quality Control methods. Operation over the temperature specification is guaranteed by correlating the electrical characteristics to process and

temperature variations and applying statistical process control.

Note 14: VOUT(NOM) is the stated output voltage option for the device.

Recommended Output Capacitor

Symbol

Parameter

Conditions

Typical

Limit

Units

Min

Max

OUT

Output Capacitor

Capacitance (Note 15)

1.0

0.75

µF

ESR

500

Ω

Note 15: The capacitor tolerance should be 30% or better over temperature. Recommended capacitor type is X7R however dependant on application X5R,Y5V and

Z5U can also be used.

Input Test Signals

20052006

FIGURE 1. Line Transient Response Input Test Signal

20052007

FIGURE 2. PSRR Input Test Signal

LP3999 Datasheet(PDF) 8 Page - National Semiconductor (TI)

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