Linear launches H-class version of LT3481 2.

"Linear launched the H-class version lt3481 Milpitas, CA – August 20, 2008 – Linear Technology Corporation launched the H-class version lt3481. The lt3481 is a 34V (36vmax) burst mode that can keep the quiescent current below 50ua ®)、 Step down switching regulator. Class H versions can operate at junction temperatures up to 150oC, compared with class E and I versions with a maximum junction temperature of 125oC. All electrical specifications are the same for class E, I and H versions. Class H devices have been tested to ensure the maximum junction temperature of 150oC. They are ideal for automotive, industrial and harsh environmental applications at high ambient temperatures. The lt3481 operates in the VIN range of 3.3V to 34V (36vmax), making it ideal for sudden load drop or cold start in automotive applications. Its 3.2a internal switch provides a continuous output current of up to 2A when the voltage is as low as 1.25V. Its 50ua quiescent current is very suitable for "always on" applications such as automotive safety systems, which require a very long battery life. Lt3481hdd in 10 lead 3mm x 3mm DFN package is available from stock, and lt3481hmse in heat-resistant enhanced msop-10 package is also available. It is purchased in batches of 1000 pieces, and the price of each piece of the two versions is $4.15. Performance summary: lt3481h • maximum junction temperature of 150oC • wide input range: working in the range of 3.6V to 34V, up to 36V • 2A maximum output current • working in low ripple burst mode, When 12vin to 3.3vout, IQ is 50ua • output ripple < 15MV • adjustable switching frequency: 300kHz to 2.8MHz • low shutdown current: IQ < 1uA • integrated boost diode • good sign of power supply • saturation switch design: 0.18 Ω on resistance • 1.265V feedback reference voltage • output voltage: 1.265V to 20V • soft start function • between 275khz and 475khz Synchronizable • small 10 pin heat resistant enhanced MSOP and 3mm x 3mm DFN package, technology zone Four causes of heating of power module Why Tesla only uses Panasonic battery Dialog company launched the first fully integrated nano ampere static power supply for low-power IOT applications The only way to join hands with torex, a professional manufacturer of power IC, opens a new chapter of strategic cooperation! 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