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SP730 Datasheet(PDF) 1 Page - Sipex Corporation |
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SP730 Datasheet(HTML) 1 Page - Sipex Corporation |
1 / 7 page 1 Date: 11/15/05 SP730 Microprocessor Supervisory Circuit © Copyright 2005 Sipex Corporation Microprocessor Supervisory Circuit with Pull Up Resistor SP730 DESCRIPTION FEATURES ■ Holds Microcontroller in Reset ■ Reset Microcontroller during power loss ■ 4.375 and 3.075 Voltage Trip Points ■ Active Low Pin ■ Internal Pull-up Resistor ■ Holds RESET for 350ms (typical) ■ RESET valid down to V DD1.0V ■ 45µA Typical Operating Current ■ Offered in a 3 Pin SOT-23 Package The SP730 is a voltage supervisory device designed to keep a microcontroller in reset until the system voltage has reached the proper level and stabilized. It also operates as protection from brown-out conditions when the supply voltage drops below a safe operating level. The SP730 has an internal 5kΩ pull-up resistor. The device has an active low RESET pin and will assert the RESET signal whenever the voltage on the V DD pin is below the trip-point voltage. The part is available in a small 3 pin SOT-23 package. Contact factory for other trip voltage options. TYPICAL APPLICATION CIRCUIT VDD SP730 RESET VDD Microcontroller GND MCLR RESET or Bypass Capacitor GND VDD SP730 3 Pin SOT-23 RESET VDD GND APPLICATIONS ■ Portable Electronic Devices ■ Electrical Power Meter ■ Computer System Board ■ Modem Now Available in Lead Free Packaging |
Similar Part No. - SP730_05 |
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Similar Description - SP730_05 |
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