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NCP303LSN30T1 Datasheet(PDF) 1 Page - ON Semiconductor |
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NCP303LSN30T1 Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 26 page © Semiconductor Components Industries, LLC, 2005 January, 2005 − Rev. 14.5 1 Publication Order Number: NCP302/D NCP302, NCP303 Voltage Detector Series with Programmable Delay The NCP302 and NCP303 series are second generation ultra−low current voltage detectors that contain a programmable time delay generator. These devices are specifically designed for use as reset controllers in portable microprocessor based systems where extended battery life is paramount. Each series features a highly accurate undervoltage detector with hysteresis and an externally programmable time delay generator. This combination of features prevents erratic system reset operation. The NCP302 series consists of complementary output devices that are available with either an active high or active low reset. The NCP303 series has an open drain N−Channel output with an active low reset output. Features • Quiescent Current of 0.5 mA Typical • High Accuracy Undervoltage Threshold of 2.0% • Externally Programmable Time Delay Generator • Wide Operating Voltage Range of 0.8 V to 10 V • Complementary or Open Drain Output • Active Low or Active High Reset • Pb−Free Packages are Available Typical Applications • Microprocessor Reset Controller • Low Battery Detection • Power Fail Indicator • Battery Backup Detection Figure 1. Representative Block Diagrams This device contains 28 active transistors. NCP303LSNxxT1 Open Drain Output Configuration NCP302xSNxxT1 Complementary Output Configuration Vref 2 Input 1 Reset Output 3 GND 5CD RD Vref 2 Input 3 GND 5CD RD 1 Reset Output * Inverter for active low devices. * Buffer for active high devices. * See detailed ordering and shipping information in the ordering information section on page 22 of this data sheet. ORDERING INFORMATION THIN SOT23−5/TSOP−5/SC59−5 CASE 483 1 5 PIN CONNECTIONS AND MARKING DIAGRAM 1 3 N.C. Reset Output 2 Input Ground 4 CD 5 (Top View) xxx =Specific Device Code Y = Year W = Work Week http://onsemi.com |
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