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NCP511SN33T1G

150mA VLDO, 3.3V, 40uA Ignd, 30uVrms noise, 75dB PSRR, TSOP-5, onsemi NCP511

6156

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Pieza del fabricante：

NCP511SN33T1G

Paquete：

TSOP-5 / SOT-23-5 (2.9 x 1.6 x 1.15mm)

Marca：
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Compromiso de calidad
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Descripción

Productos

The onsemi NCP511SN33T1G is a 150mA very-low-dropout (VLDO) CMOS linear regulator providing a fixed 3.3V output. Featuring ultra-low ground current of 40uA, low noise of 30uVrms, and high PSRR of 75dB, it is optimized for noise-sensitive RF and analog applications in a tiny TSOP-5 package.

Especificaciones

Output Voltage 3.3V (fixed)
Maximum Output Current 150mA
Input Voltage Range 2.5V to 6.0V
Dropout Voltage 200mV at 150mA
Ground Current 40uA (typical)
Output Noise 30uVrms (10Hz-100kHz)
PSRR 75dB at 100Hz
Output Accuracy ±2%
Paquete TSOP-5 / SOT-23-5
Temperatura de funcionamiento -40°C to +85°C

Características

  • 150mA output with 200mV dropout
  • Ultra-low 40uA ground current
  • Low noise: 30uVrms
  • High PSRR: 75dB at 100Hz
  • Noise bypass pin for further reduction
  • Stable with 1uF ceramic output
  • Current limit and thermal shutdown
  • Compact TSOP-5 package

Aplicaciones

  • RF module power supply
  • Wireless LAN/BT power
  • Audio codec clean supply
  • ADC/DAC reference supply
  • Portable communications

The onsemi NCP511SN33T1G is a 150mA very-low-dropout CMOS LDO with a fixed 3.3V output, optimized for noise-sensitive applications. With only 30uVrms output noise and 75dB PSRR, it provides an exceptionally clean power supply for RF modules, audio codecs, and precision ADC/DAC circuits. The 40uA ground current and 200mV dropout make it suitable for battery-powered noise-critical applications.

The NCP511SN33T1G uses a P-channel MOSFET pass element in a CMOS LDO configuration to achieve very low dropout voltage (200mV at 150mA) while drawing only 40uA ground current. The internal bandgap reference and error amplifier maintain ±2% output accuracy over line, load, and temperature variations. A noise bypass pin (NR) allows an external capacitor to filter reference noise, achieving the ultra-low 30uVrms output noise. The 75dB PSRR effectively rejects input supply ripple, making it ideal for post-regulation of switching supplies.

Pin Nombre Tipo Función
1 VIN Entrada Input supply (2.5-6.0V)
2 GND Suelo Referencia del suelo
3 ES Entrada Enable (active high)
4 NR E/S Noise reduction bypass capacitor
5 VOUT Salida 3.3V regulated output
  • Wi-Fi/Bluetooth module clean 3.3V power supply
  • Audio codec low-noise analog supply
  • Precision ADC/DAC reference voltage supply
  • GPS receiver RF front-end power
  • Cellular module VDD supply filtering
Fabricante Número de pieza Paquete Notas
TI TPS73633DBVR SOT-23-5 Low noise, 400mA
onsemi NCP511SN18T1G SOT-23-5 1.8V version
ADI LT1761ES5-3.3#TRMPBF SOT-23-5 Ultra-low noise 20uVrms
TI TPS7A0333DBVR SOT-23-5 Ultra-low Iq 25nA
onsemi FAN2558S33X SOT-23-5 Low noise alternative
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Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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