The MC34060A is a low cost fixed frequency, pulse width modulation control circuit designed primarily for control of single" unded switching power supplies. The MC34060A is specified for the commercial operating temperature range of 0 to 70 °C, and the MC33060A is specified over the automotive temperature range – 85 Capture C. *Complete PWM control circuit *“Operate hip oscil...
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The LM3812/LM3813 current meters provide easy-to-use accurate current measurements with virtually zero insertion loss (typically 0.004W). LM3812 is for high-side sensing and LM3813 is for low-side sensing. A delta-sigma analog-to-digital converter is incorporated to accurately measure current and provide current averaging. The current averaged 50 ms period in order to provide immunity ...
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The LM809/810 microprocessor monitoring circuit can be used to monitor the power supply digital system of the microprocessor. They provide a microprocessor reset during power-up, power-down and brown-out conditions. The function of the LM809/810 is to monitor the VCC supply voltage and when the reset signal is asserted, this voltage falls below the factory programmed reset threshold. Af...
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The LP3470 is a micropower CMOS voltage supervisory circuit that monitors the power design of microprocessors (microprocessors) and other digital systems. It provides maximum adjustable power-on reset (POR) and supervisory functions. It is available in the following six standard reset threshold voltage (VRTH) options: 2.63V, 2.93V, 3.08V, 4.00V, 4.38V, and 4.63V. If a voltag...
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The LTC®1536 is designed for PCI local bus applications where multiple supply voltages require low power consumption, small size, high speed and high accuracy supply monitoring. Following specifications for 500mV or 3.3V and 5V supply conditions when the 5V supply is below the 3.3V supply, the LTC1536 has a very fast response time capable of meeting the PCI tFAIL timing spe...
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The LTC®694-3.3/LTC695-3.3 provide complete 3.3V supply monitoring and battery control functions. These include power-on reset, battery backup, RAM write protection, power-fail warning and watchdog timing. The device's LTC694/pin compatible upgrade to the LTC695 is optimized for 3.3V systems. Operating power consumption has been reduced to 0.6mW (typ) in battery backup m...
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The LX7001 is an improved special undervoltage sensing circuit designed for microprocessor based systems using a reset controller. Difficult challenges exist in today's complex miniaturized systems to overcome, such as designer spurious noise problems. The LX7001 is optimized for systems that must tolerate high-speed power supply glitches caused by high-speed logic transitions and simil...
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All CMOS supervisory circuits, in a 3-pin SOT-23 or SC70 package, provide optimum performance power dissipation and accuracy. The ILC5061 comes in series with an accurate stroke of ±1% suitable for most microprocessor applications. Although its output can sink 2mA, the device shoots only 1µA and functions normally. In addition, the built-in hysteresis of 5% of the detection vol...
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Full CMOS voltage monitoring circuit in either a 3-pin SOT-23 or SC70 package, providing the best performance in power dissipation and accuracy. The ILC5062 has a range of ±1% (A grade) or 2% (standard grade) accurate trigger voltages to suit most microprocessor applications. Although its output can sink over 2mA, the device consumes only 1µA during normal operation. In additi...
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The hardened IS-705RH radiates in a monolithic device, monitors the supply voltage used by the satellite control unit, and provides a reset output pulse at power-up and power-down. "The reset threshold is 4.65V (typ) and the reset pulse width is set at 200ms (typ). The watchdog circuit is incorporated for easy interfacing with microprocessors and controllers. If the watchdog input has not...
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The ISL6550 is an accurate, flexible, VID code controlled reference and high-end microprocessor voltage monitor and memory power supply. It monitors various input signals and supervises the system (usually a DC/DC converter) and its output signals. Block diagram reference. The ISL6550 includes a 5-bit DAC (Digital-to-Analog Converter), which is programmed by five VID inpu...
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