500kHz, 1.4A (I_OUT) 36V Step-Down DC/DC Converter Offers 150° C
Maximum Junction Temperature

MILPITAS, CA - August 2, 2005 - Linear Technology Corporation announces the "H-Grade" version of the LT1936. The LT1936 is a 36V, current mode PWM step-down DC/DC converter with an internal 1.9A power switch, packaged in a tiny 8-lead thermally enhanced MSOP package. The "H" Grade version operates up to a junction temperature of 150°C, compared to the "E" and "I" Grade versions' 125°C maximum junction temperature. The "H Grade" parts are both tested and guaranteed to the maximum junction temperature of 150°C. They are ideal for automotive and industrial applications which are subjected to high ambient temperatures.

The LT1936's wide input range of 3.6V to 36V makes the LT1936 suitable for regulating power from a wide variety of sources, including unregulated wall transformers, 24V industrial supplies and automotive batteries. For automotive applications, the LT1936 can easily operate with sub 4V inputs, necessary for automotive "cold crank" requirements. Its 500kHz operating frequency allows the use of tiny, low cost inductors and ceramic capacitors, resulting in low, predictable output ripple.

The LT1936HMS8E is available from stock in a thermally enhanced MSOP-10 package. Pricing starts at $3.67 each for 1,000-piece quantities.

Company Background

Linear Technology Corporation was founded in 1981 as a manufacturer of high performance linear integrated circuits. Linear Technology products include high performance amplifiers, comparators, voltage references, monolithic filters, linear regulators, DC-DC converters, battery chargers, data converters, communications interface circuits, RF signal conditioning circuits, and many other analog functions. Applications for Linear Technology’s high performance circuits include telecommunications, cellular telephones, networking products such as optical switches, notebook and desktop computers, computer peripherals, video/multimedia, industrial instrumentation, security monitoring devices, high-end consumer products such as digital cameras and MP3 players, complex medical devices, automotive electronics, factory automation, process control, and military and space systems.

LT and LTC are registered trademarks of Linear Technology Corp.
 

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