LP2989IMM-5.0 datasheet(11/34 Pages) TI1

Part #	LP2989IMM-5.0

Description	Micropower and Low-Noise, 500-mA Ultra Low-Dropout Regulator

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Manufacturer	TI1 [Texas Instruments]

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LP2989

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SNVS083O – FEBRUARY 2005 – REVISED MARCH 2015

Typical Characteristics (continued)

TA = 25°C, COUT = 4.7 µF, CIN = 2.2 µF, SD is tied to VIN, VIN = VOUT(NOM)+ 1 V, IOUT = 1 mA, VOUT = 2.5 V (unless otherwise

specified)

Figure 26. Ripple Rejection in Dropout

Figure 25. Ripple Rejection

Figure 28. Output Noise Density

Figure 27. Ripple Rejection vs Load

Figure 30. Turn-ON Waveform

Figure 29. Output Noise Density

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