LP3982_16 datasheet(7/28 Pages) TI1

Part #	LP3982

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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10

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1k

10k

100k

FREQUENCY (Hz)

-70

-60

-50

-40

-30

-20

-10

0

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300

LOAD CURRENT (mA)

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85°C

25°C

-40°C

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INPUT VOLTAGE (V)

0

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240

6

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IL = 0mA

TA = 85°C

TA = 25°C

TA = -40°C

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LOAD CURRENT (mA)

FAULT = HIGH

FAULT = LOW

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LOAD CURRENT (mA)

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VO = 2.77V

VO = 2.5V

VO = 3.3V

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LOAD CURRENT (mA)

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85°C

25°C

-40°C

LP3982

www.ti.com

SNVS185E – FEBRUARY 2002 – REVISED OCTOBER 2015

6.6 Typical Characteristics

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

Figure 2. Dropout Voltage vs Load Current

Figure 1. Dropout Voltage vs Load Current

(for Different Output Temperatures)

(for Different Output Voltages)

Figure 3. FAULT Detect Threshold vs Load Current

Figure 4. Supply Current vs Input Voltage

Figure 5. Supply Current vs Load Current

Figure 6. Power Supply Rejection Ratio vs Frequency

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