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NCP803SN293D3T1G Datasheet(PDF) 1 Page - ON Semiconductor |
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NCP803SN293D3T1G Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 9 page © Semiconductor Components Industries, LLC, 2006 March, 2006 − Rev. 0 1 Publication Order Number: MAX803/D MAX803 Series, NCP803 Series Very Low Supply Current 3−Pin Microprocessor Reset Monitor The MAX803/NCP803 is a cost−effective system supervisor circuit designed to monitor VCC in digital systems and provide a reset signal to the host processor when necessary. No external components are required. The reset output is driven active within 10 msec of V CC falling through the reset voltage threshold. Reset is maintained active for a timeout period which is trimmed by the factory after VCC rises above the reset threshold. The MAX803/NCP803 has an open drain active−low RESET output. Both devices are available in SOT−23 and SC−70 packages. The MAX803/NCP803 is optimized to reject fast transient glitches on the VCC line. Low supply current of 0.5 mA (V CC = 3.2 V) make these devices suitable for battery powered applications. Features • Precision VCC Monitor for 1.5 V, 1.8 V, 2.5 V, 3.0 V, 3.3 V, and 5.0 V Supplies • Precision Monitoring Voltages from 1.2 V to 4.9 V Available in 100 mV Steps • Four Guaranteed Minimum Power−On Reset Pulse Width Available (1 ms, 20 ms, 100 ms, and 140 ms) • RESET Output Guaranteed to V CC = 1.0 V • Low Supply Current • V CC Transient Immunity • No External Components • Wide Operating Temperature: −40°C to 105°C • Pb−Free Packages are Available Typical Applications • Computers • Embedded Systems • Battery Powered Equipment • Critical Microprocessor Power Supply Monitoring VCC VCC VCC RESET RESET MAX803 NCP803 GND GND Figure 1. Typical Application Diagram μP 0 0 Rpull−up C = 100 nF SOT−23 (TO−236) CASE 318 PIN CONFIGURATION 3 1 2 VCC GND RESET SOT−23/SC−70 (Top View) MARKING DIAGRAM 3 2 12 1 3 http://onsemi.com xxx M G G xxx = Specific Device Code M = Date Code G = Pb−Free Package (Note: Microdot may be in either location) xx M G G 1 SC−70 (SOT−323) CASE 419 See general marking information in the device marking section on page 7 of this data sheet. DEVICE MARKING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 7 of this data sheet. ORDERING INFORMATION |
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