National Semiconductor LP3470 Tiny Power On Reset Circuit handbook

The LP3470 is a micropower CMOS voltage supervisory circuit designed to monitor power supplies in microprocessor (µP) and other digital systems. It provides maximum adjustability for power-on-reset (POR) and supervisory functions. It is available in the following six standard reset threshold voltage (VRTH) options: 2.63V, 2.93V, 3.08V, 4.00V, 4.38V, and 4.63V. If other voltage options between 2.4V and 5.0V are desired, please contact your National Semiconductor representative. The LP3470 asserts a reset signal whenever the VCC supply voltage falls below a reset threshold. The reset time-out period is adjustable using an external capacitor. Reset remains asserted for an interval (programmed by an external capacitor) after VCC has risen above the threshold voltage. The device is available in the tiny SOT23-5 package.

Brand: National

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MD5 Checksum: 85C1A9F3B518F762C98F82F22C41B770

Publication date: 04 July, 2012

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