X-On Electronics has gained recognition as a prominent supplier of DS1816-10+ Supervisory Circuits across the USA, India, Europe, Australia, and various other global locations. DS1816-10+ Supervisory Circuits are a product manufactured by Analog Devices. We provide cost-effective solutions for Supervisory Circuits, ensuring timely deliveries around the world.
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DS1816 3.3V EconoReset with Open Drain Output www.maxim-ic.com FEATURES PIN ASSIGNMENT Automatically restarts a microprocessor after 3 power failure DALLAS DS1816 Maintains reset for 150ms after V returns to CC Econo Reset an in-tolerance condition Reduces need for discrete components Precision temperature-compensated voltage 12 reference and voltage sensor TOP VIEW SOT-23 PACKAGE Accurate 5%, 10% or 20% power monitoring See Mech. Drawings Section 20% tolerance for use with 3V systems On Website 1 2 3 Low-cost TO-92 or space saving SOT-23 packages available 1 2 3 Efficient open-drain output with internal 5k pull-up resistor BOTTOM VIEW Operating temperature -40 C to +85 C TO-92 PACKAGE See Mech. Drawings Section On Website PIN DESCRIPTION TO-92 1 RST Active Low Reset Output 2 V Power Supply CC 3 GND Ground SOT-23 1 RST Active Low Reset Output 2 V Power Supply CC 3 GND Ground DESCRIPTION The DS1816 EconoReset uses a precision temperature reference and comparator circuit to monitor the status of the power supply (V ). When an out-of-tolerance condition is detected, an internal power-fail CC signal is generated which forces reset to the active state. When V returns to an in-tolerance condition, CC the reset signal is kept in the active state for approximately 150ms to allow the power supply and processor to stabilize. 1 of 5 041002DS1816 OPERATION POWER MONITOR The DS1816 provides the function of detecting out-of-tolerance power supply conditions and warning a processor-based system of impending power failure. When V is detected as out-of-tolerance, the RST CC signal is asserted. On power-up, RST is kept active for approximately 150ms after the power supply has reached the selected tolerance. This allows the power supply and microprocessor to stabilize before RST is released. BLOCK DIAGRAM (OPEN-DRAIN OUTPUT) Figure 1 APPLICATION EXAMPLE Figure 2 2 of 5