LP2985-50DBVT datasheet(8/25 Pages) TI

Part #	LP2985-50DBVT

Description	150-mA LOW-NOISE LOW-DROPOUT REGULATOR WITH SHUTDOWN

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Manufacturer	TI [Texas Instruments]

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Load Current − mA

160

VO = 3.3 V

Cbyp = 10 nF

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0.5

1

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3.5

Output Voltage − V

VO = 3.3 V

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100

1k

10k

100k

1M

Frequency − Hz

VI = 5 V

VO = 3.3 V

Co = 10 µF

Cbyp = 0 nF

50 mA

150 mA

1 mA

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100

1k

10k

100k

1M

Frequency − Hz

50 mA

150 mA

1 mA

VI = 3.7 V

VO = 3.3 V

Co = 10 µF

Cbyp = 0 nF

LP2985

150-mA LOW-NOISE LOW-DROPOUT REGULATOR

WITH SHUTDOWN

SLVS522J – JULY 2004 – REVISED AUGUST 2006

TYPICAL PERFORMANCE CHARACTERISTICS (continued)

C

IN = 1 µF, COUT = 4.7 µF, VIN = VOUT(NOM) + 1 V, TA = 25°C, ON/OFF pin tied to VIN (unless otherwise specified)

SHORT-CIRCUIT CURRENT

GROUND-PIN CURRENT

vs

OUTPUT VOLTAGE

LOAD CURRENT

Figure 5.

Figure 6.

RIPPLE REJECTION

vs

FREQUENCY

Figure 7.

Figure 8.

8

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LP2985-50DBVT Datasheet(PDF) 8 Page - Texas Instruments

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