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NCP500

ON
Part Number NCP500
Manufacturer ON
Description 150mA CMOS Low Noise Low-Dropout Voltage Regulator
Published May 12, 2005
Detailed Description NCP500, NCV500 Voltage Regulator - CMOS, Low Noise, Low-Dropout 150 mA The NCP500 series of fixed output low dropout li...
Datasheet PDF File NCP500 PDF File

NCP500
NCP500

Overview
NCP500, NCV500 Voltage Regulator - CMOS, Low Noise, Low-Dropout 150 mA The NCP500 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.
The NCP500 has been designed to be used with low cost ceramic capacitors and requires a minimum output capacitor of 1.
0 mF.
Features • Ultra−Low Dropout Voltage of 170 mV at 150 mA • Fast Enable Turn−On Time of 20 msec • 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 mV 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 Typical Applications • Noise Sensitive Circuits − VCO’s, RF Stages, etc.
• SMPS Post−Regulation • Hand−Held Instrumentation • Camcorders and Cameras Vin 1 (3) Thermal Shutdown Driver w/ Current Limit Vout 5 (4) Enable ON 3 (1) OFF GND 2 (2, 5) NOTE: Pin numbers in parenthesis indicate DFN package.
Figure 1.
Simplified Block Diagram www.
onsemi.
com 5 1 TSOP−5 SN SUFFIX CASE 483 6 1 DFN 2x2.
2 MM SQL SUFFIX CASE 506BA PIN CONNECTIONS AND MARKING DIAGRAMS TSOP−5 xxxAYWG G Vin 1 GND 2 5 Vout Enable 3 4 N/C (Top View) xxx = Specific Device Code A = Assembly Location Y = Year W = Work Week G = Pb−Free Package (Note: Microdot may be in either location) DFN 2x2.
2 mm Enable 1 6 N/C GND 2 xxM 5 GND Vin 3 4 Vout (Top View) xx = Speci...


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