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Tag Archives: Automatic Voltage Regulator
Linear Technology released three kinds of car-use voltage regulator
American Linear Technology (Linear Technology) issued a major vehicle equipment for the three new voltage regulator. Although these products all have the same performance as the previous product, but to ensure the normal operation of the PN junction temperature of the product from the previous maximum of 125 ℃ up to 140 ~ 150 ℃.
The first product is the input voltage range of 3.3 ~ 60V, 80V maximum limit can withstand voltage step-down switching regulator “LT3437″ The new product is to ensure the normal work of the PN junction temperature of 140 ℃ of “LT3437HFE”. The product is equipped with a maximum switching current of 500mA internal switch, the output voltage of 1.25V supply when the maximum continuous output current of 400mA. Zero-load current consumption of 100μA or less. Switching frequency of 200kHz. Package uses a TSSOP-16E, per 1000 unit quantities when the reference is 378 yen. Also be used for purposes other than vehicle communication equipment.
Second product is the input voltage range of 4 ~ 40V step-down DC-DC converter “LT3470″ new product “LT3470HDDB”, to ensure the normal work of the PN junction temperature of the maximum rise 150 ℃. Maximum output current of 200mA. Input voltage of 12V, output voltage of 3.3V when the consumption current of 26μA. Buy 1000 reference price of 387 yen. Also be used for purposes other than the car battery-powered devices.
Third product is the input voltage range of 4 ~ 80V low-saturation-type (LDD) regulator “LT3012/3013″ new product “LT3012/3013HFE”, to ensure the normal operation of the PN junction temperature up to 140 ℃. Output voltage range of 1.24 ~ 60V. Loss of voltage 360mV, can supply the maximum current of 200mA. Work under the current consumption in, LT3012HFE standard 40μA, LT3013HFE standard 65μA, closed two products are 1μA. LT3013HFE have a stable output prompts. Package for the TSSOP-16, per 1000 unit quantities in the reference time, LT3012HFE 334 yen, LT3013HFE 379 yen. In addition to automotive uses, and also for communication with a backup power supply or 48V industrial control equipment.
Pulse launched the applicable DC buck regulator coupled inductors
Pulse Introduces Industry s First coupled inductors for non-isolated DC buck regulator. This multi-phase coupled inductor according to Volterra s license development and manufacturing, and support Volterra s VT1165M and VT1115M chipset, using its patented coupled inductor topology.Current Limiting Reactor
Pulse is a series of PA131xNL standard surface mount inductors are RoHS compliant, with a two-phase, three phase, four-or five-phase relative to the magnetic coupling. Equivalent transient inductance per phase is 50nH, magnetizing inductance greater than 250nH. Rated current per phase is 40A, the maximum DC resistance of 0.5 milliohms. These devices are unstable phase current up to 5A, so that in the non-ideal environment stability.
These inductors use reel in quantities of 50,000 pieces, PA1312NL 45 cents each, PA1313NL 60 cents, PA1314NL of 75 cents, PA1315NL price 90 cents.