LP3878MRX-ADJ/NOPB Power Regulator IC LDO Voltage Regulators LOW NOISE SUB- BANDGAP PSOP 8 LD2

1 Features

• Input Supply Voltage: 2.5 V to 16V

• Output Voltage Range: 1 V to 5.5 V

• Designed for Use With Low-ESR Ceramic Capacitors

• Very Low Output Noise

• 8-Lead SO PowerPADTM and WSON Surface- Mount Packages

• < 10-μA Quiescent Current in Shutdown

• Low Ground Pin Current at all Loads

• Overtemperature and Overcurrent Protection

• –40°C to 125°C Operating Junction Temperature Range

  
  

2 Applications

• ASIC Power Supplies In:

  • – Desktops, Notebooks, and Graphic Cards

  • – Set Top Boxes, Printers, and Copiers

• DSP and FPGA Power Supplies

• SMPS Post-Regulator

• Medical Instrumentation

3 Description

The LP3878-ADJ is an 800-mA, adjustable output, voltage regulator designed to provide high performance and low noise in applications requiring output voltages as low as 1 V.

Using an optimized VIP (Vertically Integrated PNP) process, the LP3878-ADJ delivers superior performance:

• Ground Pin Current: Typically 5.5 mA at 800-mA load, and 180 μA at 100-μA load.

• Low Power Shutdown: The LP3878-ADJ draws less than 10-μA quiescent current when the SHUTDOWN pin is pulled low.

• Precision Output: Ensured output voltage accuracy is 1% at room temperature.

• Low Noise: Broadband output noise is only 18 μV (typical) with a 10-nF bypass capacitor.

  
  

​Device Information