LM317T Voltage Regulator with Pass Transistor

with Mark Thoren, mixed-signal application engineering manager video.linear.com Demonstration of an amplifier-based circuit design for a relatively inexpensive precision voltage source.



http://www.youtube.com/watch?v=9KtJr7Jv16I&hl=en

Saskatchewan Institute of Applied Science and Technology Moose Jaw, Saskatchewan, Canada. Computer Engineering Technology; DGTL202 1st year (second semester) students designed and built robotic devices. Winter 2011 Instructors: Shaun Nanan and John McLafferty Components used include the following: PIC16F628 and PIC16F819 QRD1114 Line sensors GP2D120 IR Distance measuring sensor L293D motor driver Twin motor gear box ADC0804 7805 Voltage Regulator



http://www.youtube.com/watch?v=STOT_8qXsPE&hl=en

with Henry Zhang, Applications Engineering Manager - Power Products video.linear.com Current sharing performance is critical for PolyPhase® DC/DC converter to balance the thermal stress and properly size the power components. The PolyPhase converter can be controlled by either voltage or current mode control scheme. With voltage mode control, the active current sharing is achieved with a complicated external current sharing loop, which is usually slower than the inner voltage feedback loop. With current mode control, such as implemented in the LTC3731 or LTC3850, the current sharing can be implemented very easily with its fast current loop.



http://www.youtube.com/watch?v=dn2xSvsXi90&hl=en

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http://www.youtube.com/watch?v=O9RlbP_O7Ss&hl=en

with Robert Dobkin, Vice President, Engineering and Chief Technical Officer video.linear.com The LT3080 is a new architecture for linear regulators. It provides better regulation, a simple output adjustment with a single resistor where the output can be adjusted down to zero. Also, this architecture allows easy paralleling of regulators for no heatsink operation in an all surfacemount applications. The LT3080 circuit operation and applications for paralleling, spreading the heat, general purpose power supplies and current sources will be shown.



http://www.youtube.com/watch?v=xbDHnalm-MQ&hl=en

with Eddie Beville, Design Manager - DC/DC uModule Regulators video.linear.com There is an alternative solution when deciding between a step-down switching regulator and a linear regulator. Switching regulators dissipate less heat than linear regulators especially when the input voltage is much higher than the output voltage or the output load current is relative high. On the other hand, linear regulators are very simple and dont require inductors. What if there was a switching regulator circuit could be simplified and fitted inside a surface mount package and the complete solution became as simple as a regulators circuit? No inductors, no MOSFETs, no difficult calculations for compensation circuitry. On paper, it is a simple square box with a few resistors and capacitors. On a PCB, it is also a simple square box with a few resistors and capacitors.



http://www.youtube.com/watch?v=gowQTUXGWwc&hl=en