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New highly integrated, pin-compatible IC reduces PCB area and improve reliability in high voltage applications

DALLAS, Jan. 25, 2012 / PRNewswire / - Texas Instruments Incorporated (TI) (NASDAQ: TXN) is expanding its high voltage at load point of the product line by introducing the first day of 100-V Industry money synchronous MOSFET integrated regulator. The LM5017 600 mA is the first step of a new family of switching regulators in reducing PCB area and system cost while improving the reliability of high voltage in telecommunications, industrial networks, intelligent systems Automotive. Used in conjunction with award-winning WEBENCH ® online design tool, simplifies the LM5017 high-voltage DC / DC conversion and accelerates the design process. For more information, samples and evaluation boards, visit www.ti.com/lm5017-pr.

IT shows LM5017 in booth # 401 at the Applied Power Electronics Conference and Expo (APEC) in Orlando, Florida, February 6-8. APEC is one of the industry conference leading to the professional practice of power electronics.

• 600 mA
• The LM5017 with 300 mA and 100 mA LM5018-LM5019 available in April, allows direct loading point of the voltage regulation of the input voltage of 100 - V. This eliminates external transient voltage suppressors or clamps needed to achieve reliable operation in high voltage applications. Freewheeling MOSFET integrated Schottky diodes eliminate and improve efficiency. Pin compatible with 4 mm by 4 mm LLP package offers a scalable solution that covers a wide range of energy needs. Constant over time (COT) of the control architecture provides excellent load transient response, no loop compensation needed, further reducing PCB area and simplified design process food. See a video www.ti.com/lm5017-prv.
• The new switching regulators can also be used as sources of bias for systems that can supply energy efficient small isolated and remote. Unlike alternative solutions flyback operation LM5017 switching frequencies up to 1 MHz, which significantly reduces the size and cost of the transformer. See a demonstration lab www.ti.com/lm5017-prvdemo.

For applications requiring operation at a fixed frequency, IT UCC25230 100-V isolated power through switching converter supports up to 200 mA output current and using a topology control power mode transmit input voltage.

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key features and benefits of synchronous buck regulators

• range 9-V 100-V input voltage range improves system reliability in a variety of models.
• 600 mA
LM5017, LM5018 300 mA and 100 mA LM5019-pin-compatible and support both non-isolated step-down and isolated power supply applications.

Architecture

TOC control provides fast transient response and eliminates the need for loop compensation, cost reduction and design simplification. side integrated high and low side N-channel MOSFETs improve efficiency and eliminate the external Schottky diode.

integrated high voltage startup regulator provides a bias supply to the internal operation of the IC and integrated gate drivers.

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current and temperature protection overload detection device. Under voltage threshold and hysteresis can be programmed independently.

availability, packaging and price

The LM5017 is available in volume now from TI and its authorized distributors. The LM5018 and LM5019 will be available in April. It offers an 8-pin thermally enhanced LLP package measuring 4 mm by 4 mm, the suggested retail price of the LM5017 is $ 1.65, the LM5018 is $ 1.40 and the LM5019 is $ 1.25 in quantities 1000. The LM5017 in 8-pin PSOP package will be available in March.

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