Space Saving DC-DC Switching Mode Regulator in Tiny Package from ACAL Technology
Posted in January 5th, 2009
by V K.
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A DC-DC uModule regulator point of load (POL) system with on-board inductor and power components is now offered by ACAL technology. The Linear Technology LTM8021 operates from input supplies 3V to 36V (40V maximum) and provides up to 500 mA.
The LTM8021 small footprint (6.25mm x 11.25mm), low-profile (2.8mm) and lightweight (0.49g), enable system designers to solder the device on the back of the circuit board, creating the room above digital circuits Such as FPGA’s, memory and obligations, including HDMI, Ethernet or SMA connectors.
The LTM8021 includes a DC-DC controller IC, power switches, inductor, compensation circuitry and input and output bypass capacitors. The design is so simple as a linear regulator and has the advantage of less heat generation and smaller size. Target applications are systems with 5V, 12V, 24V and 28V rails supply of raw materials, such as medical, industrial, electronic and after-market car.
The LTM8021 regulates an output voltage of 0.8-5V, which is controlled by a single resistor. Encapsulated packaging protects the circuit components against mechanical, chemical and environmental factors, thus improving the reliability of the solution. The LTM8021 is rated for operation from-40C to 85c and is RoHS compliant, although the gold pads the use of leaded and lead-free solders during board, said the company.
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