NCP500SN25T1G product image


150 mA CMOS Low Noise Low-Dropout Voltage Regulator
ON Semiconductor


The  NCP500SN25T1G  series of fixed output low dropout linear regulators are designed for portable battery powered applications which require low noise operation, fast enable response time, and low dropout. The device achieves its low noise performance without the need of an external noise bypass capacitor. Each device contains a voltage reference unit, an error amplifier, a PMOS power transistor, and resistors for setting output voltage, and current limit and temperature limit protection circuits.


NCP500SN25T1G Features
• Ultra-Low Dropout Voltage of 170 mV at 150 mA
• Fast Enable Turn-On Time of 20 sec
• Wide Operating Voltage Range of 1.8 V to 6.0 V
• Excellent Line and Load Regulation
• High Accuracy Output Voltage of 2.5%
• Enable Can Be Driven Directly by 1.0 V Logic
• Typical RMS Noise Voltage 50 V with No Bypass Capacitor
  (BW = 10 Hz to 100 kHz)
• Very Small DFN 2x2.2 Package
• NCV Prefix for Automotive and Other Applications Requiring
  Unique Site and Control Change Requirements; AEC-Q100
  Qualified and PPAP Capable
• These are Pb-Free Devices
NCP500SN25T1G Applications
• Noise Sensitive Circuits -VCO’s, RF Stages, etc.
• SMPS Post-Regulation
• Hand-Held Instrumentation
• Camcorders and Cameras


Voltage - InputUp to 6V
Voltage - Output2.5V
Voltage - Dropout (Typical)0.19V @ 150mA
Current - Output150mA
Operating Temperature-40°C ~ 85°C
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