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NCP4640

ON Semiconductor
Part Number NCP4640
Manufacturer ON Semiconductor
Description Voltage Regulator
Published Jul 21, 2011
Detailed Description NCP4640 50 mA, Wide Input Range, Voltage Regulator The NCP4640 is a CMOS 50 mA linear voltage regulator with high input ...
Datasheet PDF File NCP4640 PDF File

NCP4640
NCP4640

Overview
NCP4640 50 mA, Wide Input Range, Voltage Regulator The NCP4640 is a CMOS 50 mA linear voltage regulator with high input voltage and ultra−low supply current.
It incorporates multiple protection features such as peak current limit, short circuit current limit and thermal shutdown to ensure a very robust device.
A high maximum input voltage tolerance of 50 V and a wide temperature range make the NCP4640 suitable for a variety of demanding applications.
Features http://onsemi.
com MARKING DIAGRAMS • • • • • • • • • • Operating Input Voltage Range: 4 V to 36 V Output Voltage Range: 2.
0 to 12.
0 V (0.
1 steps) ±2% Output Voltage Accuracy Output Current: min 50 mA (VIN = 8 V, VOUT = 5 V) Line Regulation: 0.
05%/V Peak Current Limit Circuit Short Current Limit Circuit Thermal Shutdown Circuit Available in SOT−89−5 and SOIC6−TL Package These are Pb−Free Devices SOIC6−TL CASE 751BR XXX XMM 1 1 XXX XMM SOT−89 5 CASE 528AB Typical Applications • Power source for home appliances • Power source for car audio equipment, navigation system • Power source for notebooks, digital TVs, cordless phones and private • Power source for office equipment machines such as copiers, printers, facsimiles, scanners, projectors, etc.
VIN C1 100n NCP4640x VIN CE VOUT GND VOUT C2 100n XXXX MM = Specific Device Code = Date Code (Note: Microdot may be in either location) LAN systems ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 15 of this data sheet.
Figure 1.
Typical Application Schematic © Semiconductor Components Industries, LLC, 2011 February, 2011 − Rev.
1 1 Publication Order Number: NCP4640/D NCP4640 VIN Internal VR Vref VOUT CE Current Limit Short Protection Thermal Shutdown GND Figure 2.
Simplified Schematic Block Diagram PIN FUNCTION DESCRIPTION Pin No.
SOT89 5 2 4 − 3 1 Pin No.
SOIC6−TL 6 2 4 5 3 1 Pin Name VIN GND GND GND CE VOUT Input pin Ground pin, all ground pins must be connected together when it is mou...


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