Voltage Regulators Application Note
■MS Kennedy offers a wide variety of voltage regulators for use in many different applications. Although each product line has its own benefits, there are many advantages that they all share. For instance, all of our voltage regulators are available in military hermetic packaging and may be screened to military or industrial specifications. Also, most regulators are available with various lead bend configurations for easy integration into many systems. In addition to lead bend configurations, various packaging is also available. Most packages offer isolated tabs for direct connection to heat sinks.
■From an electrical standpoint, MS Kennedy voltage regulators offer low noise, providing clean outputs for your sensitive analog applications. As well as excellent electrical specifications, our voltage regulators also present exceptional thermal characteristics.
■What follows is a breakdown of the specific advantages of the various voltage regulator lines. For more detailed information concerning any of the voltage regulators consult the MSK voltage regulator selection guide or each of the individual data sheets. values allow MSK to achieve high output currents and at the same time offer compact package configurations.
■In addition to our standard linear voltage regulators, MS Kennedy also has a line of high efficiency step-down switching regulators. Advantages of these switching regulators include low quiescent current, user programmable current limit and “soft start”, and high efficiency that keeps the internal power dissipation low.
■The MSK 5030’s and 5040’s are internally configured for an operating frequency of 300 KHz. The MSK 5030 series is available in either 2.5V, 3.3V, 5.0V or 7. Page of 0V versions, while the MSK 5040 series has preset voltages of 5.0V, 3.3V, 2.5V and 1.9V. All of the switching regulators are rated for up to 4 amps of output current. These devices operate in three different modes that are dependent on how heavily the output is loaded. At low load levels, they function in a pulse skipping mode with discontinuous inductor current. As the load is increased to between 10% and 30% of the current threshold, the device will switch to a pulse skipping mode with continuous inductor current. If the output load is greater than 30% of the current threshold then the device will operate in a constant frequency PWM mode that provides continuous inductor current.
■As was noted earlier, both lines of switching regulators have user programmable “soft start” and externally programmable current limit capabilities. These regulators also offer the use of an enable pin for device start-up. The MSK 5030’s are packaged in an 8 pin bathtub and the MSK 5040’s are available in a 44 pin surface mount flat pack.
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MSK 5000 Series 、 MSK 5000 、 MSK 5010 Series 、 MSK 5010 、 MSK 5012 Series 、 MSK 5012 、 MSK 5020 Series 、 MSK 5020 、 MSK 5021 Series 、 MSK 5021 、 MSK 5100 Series 、 MSK 5100 、 MSK 5115 Series 、 MSK 5115 、 MSK 5130 Series 、 MSK 5130 、 MSK 5150 Series 、 MSK 5150 、 MSK 5175 Series 、 MSK 5175 、 MSK 5200 Series 、 MSK 5200 、 MSK 5215 Series 、 MSK 5215 、 MSK 5230 Series 、 MSK 5230 、 MSK 5250 Series 、 MSK 5250 、 MSK 5275 Series 、 MSK 5275 、 MSK 5030 Series 、 MSK 5030 、 MSK 5040 Series 、 MSK 5040 |
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Voltage Regulators 、 Linear Regulators 、 Switching Regulators 、 low dropout voltage regulators |
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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9/19/2013 |
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AN025 |
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159 KB |
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