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LP5907MFX-2.8/NOPB

250mA LDO, 2.8V fixed, 6.5uVrms noise, SOT-23-5

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Pieza del fabricante：

LP5907MFX-2.8/NOPB

Paquete：

SOT-23-5 (2.9 x 1.6 mm)

Marca：
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Compromiso de calidad
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Descripción

Productos

The LP5907MFX-2.8/NOPB from Texas Instruments is a 250mA ultra-low-noise LDO with fixed 2.8V output in a SOT-23-5 package. With 6.5uVrms output noise, 82dB PSRR at 1kHz, and only 1uA Iq in enable-off, it provides clean power for RF and sensitive analog circuits in portable devices.

Especificaciones

Output Voltage 2.8V fixed
Corriente de salida 250mA
Dropout Voltage 110mV @ 250mA
Noise 6.5uVrms (10Hz-100kHz)
PSRR 82dB @ 1kHz, 55dB @ 100kHz
Iq 25uA typical
Shutdown Iq 1uA
Accuracy +/-2% over line/load/temp
Vin Range 2.2V to 5.5V
Temperatura de funcionamiento -40 to +125 C
Paquete SOT-23-5

Características

  • 6.5uVrms ultra-low output noise
  • 82dB PSRR at 1kHz for RF supply clean-up
  • 250mA output with 110mV dropout
  • 25uA Iq with 1uA shutdown current
  • +/-2% output accuracy over temperature
  • Stable with 1uF ceramic output capacitor

Aplicaciones

  • RF power amplifier clean supply
  • PLL/VCO power supply
  • Audio codec analog supply
  • Camera sensor power

The LP5907MFX-2.8/NOPB from Texas Instruments is a 250mA ultra-low-noise LDO with fixed 2.8V output in a SOT-23-5 package. With 6.5uVrms output noise, 82dB PSRR at 1kHz, and only 1uA Iq in enable-off, it provides clean power for RF and sensitive analog circuits in portable devices.

The LP5907MFX-2.8/NOPB operates as described in the product overview. Key subsystems include the input stage, processing/gain stage, output stage, and protection circuitry as detailed in the datasheet.

Pin Nombre Tipo Descripción
1 ES Entrada Enable (active high)
2 GND Potencia Suelo
3 EN Entrada Unregulated input (2.2-5.5V)
4 OUT Salida Regulated 2.8V output
5 NC - Sin conexión
  • RF power amplifier clean supply
  • PLL/VCO power supply
  • Audio codec analog supply
  • Camera sensor power
Modelo Fabricante Paquete Notas
LP5907MFX-3.3/NOPB TI SOT-23-5 3.3V fixed version
TLV70028DDCR TI SOT-23-5 Lower cost, higher noise
TPS73628DBVR TI SOT-23-5 300mA, similar noise
ADP122AUJZ-2.8-R7 ADI TSOT-23-5 500mA, higher noise
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Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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