Purchase SP809, In-stock SP809 From SeekIC.
Part Number: SP809
Description: The SP809/SP810 are low power microprocessor (P) supervisory circuits used to monitor power supplies i...
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SP809
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DataSheet
General Description
SP809 General Description
The SP809/SP810 are low power microprocessor (P) supervisory circuits used to monitor power supplies in P and digital systems. They provide applications with benefits of circuit reliability and low cost by eliminating external components. If the VCC supply voltage falls below preset threshold then a reset signal is asserted for at least 140ms after VCC has risen above the reset threshold. Both the SP809 and SP810 were designed with a reset comparator to help identify invalid signals, which last less than 140ms. The only difference between them is that they have an active-low RESET output and active-high RESET output, respectively. Low supply current (1A) makes SP809/SP810 ideal for portable equipment. The devices are available in 3 pin SOT-23 package.
SP809 Maximum Ratings
VCC ................................................................................... -0.3V to 6.5V
RESET, RESET ............................................................ -0.3 to VCC+ 0.3V
Input Current (VCC) ..................................................................... 20mA
Output Current (RESET, RESET).................................................... 20mA
Continuous Power Dissipation (TA = +70) .............................. 320mW
Operating Junction Temperature ...................................-40°C to +85
Junction Temperature.....................................................................125
Storage Temperature ................................................. -65°C to +150
These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability.
RESET, RESET ............................................................ -0.3 to VCC+ 0.3V
Input Current (VCC) ..................................................................... 20mA
Output Current (RESET, RESET).................................................... 20mA
Continuous Power Dissipation (TA = +70) .............................. 320mW
Operating Junction Temperature ...................................-40°C to +85
Junction Temperature.....................................................................125
Storage Temperature ................................................. -65°C to +150
These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability.
SP809 Features
` Ultra Low Supply Current 1A (typ.)
` Guaranteed Reset valid to VCC = 0.9V
` 140 ms Min. Power-On Reset Pulse Width
` Internally Fixed Threshold 2.3V, 2.6V, 2.9V,3.1V, 4.0V, 4.4V, 4.6V
` Tight Voltage Threshold Tolerance: 1.5%
` Offered in a 3 Pin SOT-23 Package
` Guaranteed Reset valid to VCC = 0.9V
` 140 ms Min. Power-On Reset Pulse Width
` Internally Fixed Threshold 2.3V, 2.6V, 2.9V,3.1V, 4.0V, 4.4V, 4.6V
` Tight Voltage Threshold Tolerance: 1.5%
` Offered in a 3 Pin SOT-23 Package
SP809 Typical Application
` Portable Electronic Devices
` Electrical Power Meter
` Digital Still Camera
` P Power Monitoring
` Electrical Power Meter
` Digital Still Camera
` P Power Monitoring
SP809 Connection Diagram
SP809-40
PDF/DataSheet Download
- Datasheet: SP809-40
- File Size: 185687 KB
- Manufacturer: SIPEX [Sipex Corporation]
- Click here to Download
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