LM5000 - 宽输入电压 2A 开关模式稳压器

LM5000是TI德州仪器公司的一款转换器（集成开关）产品，LM5000是宽输入电压 2A 开关模式稳压器，本站介绍了LM5000的封装应用图解、特点和优点、功能等，并给出了与LM5000相关的TI元器件型号供参考。

LM5000 - 宽输入电压 2A 开关模式稳压器 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品描述

The LM5000 is a monolithic integrated circuit specifically designed and optimized for flyback, boost or forward power converter applications. The internal power switch is rated for a maximum of 80V, with a current limit set to 2A. Protecting the power switch are current limit and thermal shutdown circuits. The current mode control scheme provides excellent rejection of line transients and cycle-by-cycle current limiting. An external compensation pin and the built-in slope compensation allow the user to optimize the frequency compensation. Other distinctive features include softstart to reduce stresses during start-up and an external shutdown pin for remote ON/OFF control. There are two operating frequency ranges available. The LM5000-3 is pin selectable for either 300kHz (FS Grounded) or 700kHz (FS Open). The LM5000-6 is pin selectable for either 600kHz (FS Grounded) or 1.3MHz (FS Open). The device is available in a low profile 16-lead TSSOP package or a thermally enhanced 16-lead LLP package.

产品特性

80V internal switch

Operating input voltage range of 3.1V to 40V

Pin selectable operating frequency 300kHz/700kHz (-3) 600kHz/1.3MHz (-6)

Adjustable output voltage

External compensation

Input undervoltage lockout

Softstart

Current limit

Over temperature protection

External shutdown

Small 16-Lead TSSOP or 16-Lead LLP package

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