LP3982IMM-ADJ datasheet(8/28 Pages) TI1

Part #	LP3982IMM-ADJ

Description	Micropower, Ultra-Low-Dropout, Low-Noise, 300-mA CMOS Regulator

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Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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5 mS/DIV

FAULT

VO

VIN

VO

VIN

5 ms/DIV

FAULT

VO

VIN

VO

VIN

10

100

1k

10k

100k

FREQUENCY (Hz)

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

1.8

2

0V

500 Ps/DIV

VOUT

VSHDN

100

1k

10

k

100k

FREQUENCY (Hz)

0.01

0.1

1

10

COUT = 10PF

COUT = 2.2PF

1 ms/DIV

LP3982

SNVS185E – FEBRUARY 2002 – REVISED OCTOBER 2015

www.ti.com

Typical Characteristics (continued)

Unless otherwise specified, VIN = VO + 0.5 V, CIN = COUT = 2.2 μF, CCC = 33 nF, TJ = 25°C, VSHDN = VIN.

Figure 8. Output Noise (10 Hz to 100 kHz)

Figure 7. Output Noise Spectral Density

Figure 10. Shutdown Response

Figure 9. Output Impedance vs Frequency

Figure 12. Power-Down Response

Figure 11. Power-Up Response

8

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LP3982IMM-ADJ Datasheet(PDF) 8 Page - Texas Instruments

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