Supervisory Circuits
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Number of Voltages Monitored : | 1 | Monitored Voltage : | 4.4 V | ||
Undervoltage Threshold : | 4.25 V | Overvoltage Threshold : | 4.5 V | ||
Output Type : | Active High, Active Low, Push-Pull | Manual Reset : | Resettable | ||
Watchdog : | No Watchdog | Battery Backup Switching : | No Backup | ||
Power-Up Reset Delay (Typ) : | 280 ms | Supply Voltage - Max : | 5.5 V | ||
Supply Voltage - Min : | 1.2 V | Supply Current (Typ) : | 500 uA | ||
Maximum Power Dissipation : | 727 mW | Maximum Operating Temperature : | + 85 C | ||
Mounting Style : | Through Hole | Package / Case : | PDIP N |
The MAX708EPA is designed as one kind of low-cost, P supervisory circuit device that provides four functions:(1) A reset output during power-up, power-down, and brownout conditions;(2) An independent watchdog output that goes low if the watchdog input has not been toggled within 1.6 seconds;(3) A 1.25V threshold detector for power-fail warning, low-battery detection, or for monitoring a power supply other than +5V;(4)An active-low manual-reset input. And it is available in 8-pin DIP, SO and MAX packages.
Features of the MAX708EPA are:(1)voltage monitor for power-fail or low-battery warning; (2)active-high reset output; (3)200ms reset pulse width; (4)debounced TTL / CMOS-compatible manual-reset input; (5)precision supply-voltage monitor; (6)MAX package: smallest 8-pin SO; (7)guaranteed RESET valid at Vcc = 1V.
The absolute maximum ratings of the MAX708EPA can be summarized as:(1)Terminal Voltage (with respect to GND): -0.3V to 6.0V;(2)Input Current: 20 mA;(3)Output Current (all outputs): 20 mA;(4)Continuous Power Dissipation Plastic DIP (derate 9.09mW/°C above +70°C): 727 mW;(5)Storage Temperature Range: -65°C to +160°C;(6)Lead Temperature (soldering, 10sec): +300°C;(7)Operating Temperature Range: -40°C to +85°C. If you want to know more information about the MAX708EPA, please download the datasheet in www.seekic.com or www.chinaicmart.com .