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LM3150 Даташит

Номер в каталогеLM3150 National-Semiconductor
National ->Texas Instruments National-Semiconductor
Компоненты ОписаниеSIMPLE SWITCHER® CONTROLLER, 42V Synchronous Step-Down
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General Description
The LM3150 SIMPLE SWITCHER® Controller is an easy to use and simplified step down power controller capable of providing up to 12A of output current in a typical application.Operating with an input voltage range of 6V-42V, the LM3150 features an adjustable output voltage down to 0.6V. The switching frequency is adjustable up to 1 MHz and the synchronous architecture provides for highly efficient designs. The LM3150 controller employs a Constant On-Time (COT) architecture with a proprietary Emulated Ripple Mode (ERM) control that allows for the use of low ESR output capacitors,
which reduces overall solution size and output voltage ripple. The Constant On-Time (COT) regulation architecture allows for fast transient response and requires no loop compensation, which reduces external component count and reduces design complexity.

Features
■ PowerWise® step-down controller
■ 6V to 42V Wide input voltage range
■ Adjustable output voltage down to 0.6V
■ Programmable switching frequency up to 1 MHz
■ No loop compensation required
■ Fully WEBENCH® enabled
■ Low external component count
■ Constant On-Time control
■ Ultra-fast transient response
■ Stable with low ESR capacitors
■ Output voltage pre-bias startup
■ Valley current limit
■ Programmable soft-start

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