Features: 1.5A, 36V Internal Switch 2.7MHz Switching Frequency Integrated Soft-Start Function Adjustable Output from VIN to 35V Low VCESAT Switch: 300mV at 1.5A (Typical) 12V at 430mA from a 5V Input Small Thermally Enhanced 8-Lead MSOP PackageApplication TFT-LCD Bias SuppliesGPS Receivers DSL Mo...
LT1946A: Features: 1.5A, 36V Internal Switch 2.7MHz Switching Frequency Integrated Soft-Start Function Adjustable Output from VIN to 35V Low VCESAT Switch: 300mV at 1.5A (Typical) 12V at 430mA from a 5V Inp...
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The LT®1946A is a fixed frequency step-up DC/DC con-verter containing an internal 1.5A, 36V switch. Capable ofgenerating 12V at 430mA from a 5V input, the LT1946A isideal for powering large TFT-LCD panels. The LT1946Aswitches at 2.7MHz, allowing the use of tiny, low profileinductors and low value ceramic capacitors. Loop com-pensation can be either internal or external, giving the userflexibility in setting loop compensation and allowing opti-mized transient response with low ESR ceramic outputcapacitors. Soft-start is controlled with an external capaci-tor which determines the input current ramp rate duringstart up. The 8-lead MSOP package and high switchingfrequency ensure a low profile overall solution less than1.1mm high.