All Sections: LT Spice - 8

71. Active load handles high voltages
    Circuits Linear Technology LT1243
    Gheorghe Plasoianu EDN Bench electronic loads are usually rated for voltages less than 100 V, which make it difficult to test high-voltage power supplies. This Design Idea offers an alternative: an inexpensive electronic load rated for 500 V or ...
    24-10-2016

72. Thermal design: Get the heat out of the electronics
    Articles Linear Technology LT3080
    Paul Rako EDN If you have high-powered LEDS, or a power supply, or are trying to control larger motors, you have to get a lot of heat out of your circuit boards. The classic way to dissipate heat is to bolt your power transistor to an aluminum heat ...
    11-03-2017

73. Current Limiter Offers Circuit Protection with Low Voltage Drop
    Circuits Linear Technology LT1636
    Sajjad Hajdar Electronic Design Most common current-limiting implementations have a voltage drop that’s too high for today's systems with their low-voltage supply rails; this design with its far lower voltage drop is a better fit. There ...
    18-11-2016
74. Convert 1 to 5V signal to 4- to 20-mA output
    Circuits Linear Technology LT5400
    Despite the long-predicted demise of the 4- to 20-mA current loop, this analog interface is still the most common method of connecting current-loop sources to a sensing circuit. This interface requires the conversion of a voltage signal typically, ...
    01-12-2016
75. Using a Current Sharing Controller with Non-Redundant Supplies
    Circuits Linear Technology LT1716 LT6650 LTC4370
    Bob Smith, Linear Technology Design Note 1036 Introduction The LTC®4370 is a 2-supply current sharing, diode- ORing controller that uses MOSFETs to form ideal diodes. In this way, the LTC4370 can actively balance the output currents of two ...
    02-12-2016
76. Single Transistor Provides Short-Circuit Protection
    Circuits Linear Technology LT1961
    In certain dc/dc-converter applications, on-chip, cycle-by-cycle current limit may be insufficient protection to prevent a failure during a short circuit. A nonsynchronous boost converter provides a direct path from the input to the short circuit ...
    14-12-2016
77. Op Amps Make Precision Clipper, Protect ADC
    Articles Linear Technology LT6015 LT6016 LT6017
    A simple op amp clipping circuit can limit input-voltage excursions into an ADC, thus preventing input overload and possible damage to the converter. It can be a challenge to match the voltage range of an analog signal to the input range of an ...
    06-01-2017
78. 1-Hz to 100-MHz VFC features 160-dB dynamic range
    Circuits Linear Technology LT1460 LTC1150 LTC6943
    The VFC (voltage-to-frequency-converter) circuit in Figure 1 achieves a wider dynamic range and a higher full-scale output frequency 100 MHz with 10% overrange to 110 MHz by a factor of 10 over any commercially available converter. The ...
    19-01-2017
79. 3A, 1MHz Buck Mode LED Driver with Integrated Voltage Limiting
    Circuits Linear Technology LT3952
    .. Grant, Linear Technology Design Note 556 Introduction The LT®3952 monolithic LED driver includes a 4 A, 60 V DMOS power switch, excellent for driving high current LEDs in ...
    01-03-2017
80. High-Voltage Amplifier Extends Coulomb-Counter Range to ±270 V
    Circuits Linear Technology LT6375 LTC2941
    Kris Lokere, Linear Technology Electronic Design Low-range current (coulomb counting) measurement is a challenge when the associated voltage is relatively high, but a configuration of standard ICs meets the requirements. A coulomb counter can ...
    11-04-2017

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