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MC34164P-3G Datasheet(PDF) 1 Page - ON Semiconductor |
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MC34164P-3G Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 12 page © Semiconductor Components Industries, LLC, 2009 April, 2009 − Rev. 18 1 Publication Order Number: MC34164/D MC34164, MC33164, NCV33164 Micropower Undervoltage Sensing Circuits The MC34164 series are undervoltage sensing circuits specifically designed for use as reset controllers in portable microprocessor based systems where extended battery life is required. These devices offer the designer an economical solution for low voltage detection with a single external resistor. The MC34164 series features a bandgap reference, a comparator with precise thresholds and built−in hysteresis to prevent erratic reset operation, an open collector reset output capable of sinking in excess of 6.0 mA, and guaranteed operation down to 1.0 V input with extremely low standby current. The MC devices are packaged in 3−pin TO−92 (TO−226AA), micro size TSOP−5, 8−pin SOIC−8 and Micro8 ™ surface mount packages. The NCV device is packaged in SOIC−8. Applications include direct monitoring of the 3.0 V or 5.0 V MPU/logic power supply used in appliance, automotive, consumer, and industrial equipment. Features • Temperature Compensated Reference • Monitors 3.0 V (MC34164−3) or 5.0 V (MC34164−5) Power Supplies • Precise Comparator Thresholds Guaranteed Over Temperature • Comparator Hysteresis Prevents Erratic Reset • Reset Output Capable of Sinking in Excess of 6.0 mA • Internal Clamp Diode for Discharging Delay Capacitor • Guaranteed Reset Operation With 1.0 V Input • Extremely Low Standby Current: As Low as 9.0 mA • Economical TO−92 (TO−226AA), TSOP−5, SOIC−8 and Micro8 Surface Mount Packages • NCV Prefix for Automotive and Other Applications Requiring Site and Control Changes • Pb−Free Packages are Available Figure 1. Representative Block Diagram 1.2 Vref Reset GND Input = Sink Only Positive True Logic This device contains 28 active transistors. See detailed ordering and shipping information in the package dimensions section on page 7 of this data sheet. ORDERING INFORMATION SOIC−8 D SUFFIX CASE 751 8 1 Micro8 DM SUFFIX CASE 846A 8 1 See general marking information in the device marking section on page 8 of this data sheet. DEVICE MARKING INFORMATION (Top View) 3 1 N.C. Ground N.C. N.C. 2 4 8 7 6 5 N.C. N.C. Input Reset PIN CONNECTIONS TO−92 (TO−226AA) P SUFFIX CASE 29 http://onsemi.com TSOP−5 SN SUFFIX CASE 483 Pin 1. Ground 2. Input 3. Reset 4. NC 5. NC TSOP−5 Pin 1. Reset 2. Input 3. Ground TO−92 1 5 1 2 3 1 2 BENT LEAD TAPE & REEL AMMO PACK STRAIGHT LEAD BULK PACK 3 |
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