LP8340

Name: LP8340
Brand: TI
SKU: LP8340
Price: 0.513 USD

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Low-Dropout-Spannungsregler mit niedrigem IQ, 1 A, 10 V

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Datenblatt

document-pdfAcrobat LP8340 Low Dropout, Low IQ, 1.0A CMOS Linear Regulator datasheet (Rev. D) (Englisch)

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Linearer (LDO) Spannungsregler, 1 V, 16 A mit einstellbarer und fester Ausgangsspannung Higher input voltage range

LP8340

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Datenblatt

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Produktdetails

Output options

Adjustable Output

Iout (max) (A)

Vin (max) (V)

Vin (min) (V)

2.7

Vout (max) (V)

9.3

Vout (min) (V)

1.25

Noise (µVrms)

250

Iq (typ) (mA)

0.019

Thermal resistance θJA (°C/W)

Rating

Catalog

Load capacitance (min) (µF)

Regulated outputs (#)

Features

Foldback Overcurrent protection

Accuracy (%)

PSRR at 100 KHz (dB)

Dropout voltage (Vdo) (typ) (mV)

540

Operating temperature range (°C)

0 to 125

Output options

Adjustable Output

Iout (max) (A)

Vin (max) (V)

Vin (min) (V)

2.7

Vout (max) (V)

9.3

Vout (min) (V)

1.25

Noise (µVrms)

250

Iq (typ) (mA)

0.019

Thermal resistance θJA (°C/W)

Rating

Catalog

Load capacitance (min) (µF)

Regulated outputs (#)

Features

Foldback Overcurrent protection

Accuracy (%)

PSRR at 100 KHz (dB)

Dropout voltage (Vdo) (typ) (mV)

540

Operating temperature range (°C)

0 to 125

WSON (NGD)

9.6068 mm² 2.92 x 3.29

±1.5% Typical V_OUTTolerance
420mV Typical Dropout @ 1.0A (V_O = 5V)
Wide Operating Range 2.7V to 10V
Internal 1.0A PMOS Output Transistor
19µA Typical Quiescent Current
Thermal Overload Limiting
Foldback Current Limiting
Zener Trimmed Bandgap Reference
Space Saving WSON package
Temperature Range
- LP8340C 0°C to 125°C
- LP8340I −40°C to 125°C

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±1.5% Typical V_OUTTolerance
420mV Typical Dropout @ 1.0A (V_O = 5V)
Wide Operating Range 2.7V to 10V
Internal 1.0A PMOS Output Transistor
19µA Typical Quiescent Current
Thermal Overload Limiting
Foldback Current Limiting
Zener Trimmed Bandgap Reference
Space Saving WSON package
Temperature Range
- LP8340C 0°C to 125°C
- LP8340I −40°C to 125°C

All trademarks are the property of their respective owners.

The LP8340 low-dropout CMOS linear regulator is available in 5V, 3.3V, 2.5V, 1.8V and adjustable output versions. Packaged in the 6ld WSON package and 3ld PFM. The LP8340 can deliver up to 1.0A output current.

Typical dropout voltage is 420mV at 1.0A for the 5.0V version, 540mV at 1.0A for the 3.3V version, 670mV at 1.0A for the 2.5V version and 680mV at 800mA for the 1.8V version.

The LP8340 includes a zener trimmed bandgap voltage reference, foldback current limiting and thermal overload limiting.

The LP8340 features a PMOS output transistor which unlike PNP type low dropout regulators requires no base drive current. This allows the device ground current to remain less than 50µA over operating temperature, supply voltage and irrespective of the load current.

Typical dropout voltage is 420mV at 1.0A for the 5.0V version, 540mV at 1.0A for the 3.3V version, 670mV at 1.0A for the 2.5V version and 680mV at 800mA for the 1.8V version.

The LP8340 includes a zener trimmed bandgap voltage reference, foldback current limiting and thermal overload limiting.

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Technische Dokumentation

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	Typ	Titel		Datum
*	Data sheet	LP8340 Low Dropout, Low IQ, 1.0A CMOS Linear Regulator datasheet (Rev. D)		02 Apr 2013

Design und Entwicklung

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